Reverting the previous trunk merge since it added other unintended changes in addition

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1177127 13f79535-47bb-0310-9956-ffa450edef68

dev-support/test-patch.sh

@@ -598,8 +598,8 @@ runTests () {
   echo ""
   echo ""
   
-  echo "$MVN clean install test -Pnative -D${PROJECT_NAME}PatchProcess"
+  echo "$MVN clean test -Pnative -D${PROJECT_NAME}PatchProcess"
-  $MVN clean install test -Pnative -D${PROJECT_NAME}PatchProcess
+  $MVN clean test -Pnative -D${PROJECT_NAME}PatchProcess
   if [[ $? != 0 ]] ; then
     ### Find and format names of failed tests
     failed_tests=`find . -name 'TEST*.xml' | xargs $GREP  -l -E "<failure|<error" | sed -e "s|.*target/surefire-reports/TEST-|                  |g" | sed -e "s|\.xml||g"`

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -2,12 +2,6 @@ Hadoop Change Log
 
 Trunk (unreleased changes)
 
-  INCOMPATIBLE CHANGES
-   
-   HADOOP-7542. Change Configuration XML format to 1.1 to add support for
-                serializing additional characters. This requires XML1.1
-                support in the XML parser (Christopher Egner via harsh)
-
   IMPROVEMENTS
 
     HADOOP-7595. Upgrade dependency to Avro 1.5.3. (Alejandro Abdelnur via atm)
@@ -19,11 +13,6 @@ Trunk (unreleased changes)
 
     HADOOP-7635. RetryInvocationHandler should release underlying resources on
                  close (atm)
-    
-    HADOOP-7668. Add a NetUtils method that can tell if an InetAddress 
-    belongs to local host. (suresh)
-
-    HADOOP-7687 Make getProtocolSignature public  (sanjay)
 
   BUGS
 
@@ -34,16 +23,6 @@ Trunk (unreleased changes)
 
     HADOOP-7641. Add Apache License to template config files (Eric Yang via atm)
 
-    HADOOP-7621. alfredo config should be in a file not readable by users
-                 (Alejandro Abdelnur via atm)
-    
-    HADOOP-7669  Fix newly introduced release audit warning. 
-                 (Uma Maheswara Rao G via stevel)
-    
-    HADOOP-6220. HttpServer wraps InterruptedExceptions by IOExceptions if interrupted 
-                 in startup (stevel)
-                 
-
 Release 0.23.0 - Unreleased
 
   INCOMPATIBLE CHANGES
@@ -308,6 +287,9 @@ Release 0.23.0 - Unreleased
     HADOOP-7430. Improve error message when moving to trash fails due to 
     quota issue. (Ravi Prakash via mattf)
 
+    HADOOP-7457. Remove out-of-date Chinese language documentation.
+    (Jakob Homan via eli)
+
     HADOOP-7444. Add Checksum API to verify and calculate checksums "in bulk"
     (todd)
 
@@ -406,13 +388,6 @@ Release 0.23.0 - Unreleased
     HADOOP-7599. Script improvements to setup a secure Hadoop cluster
     (Eric Yang via ddas)
 
-    HADOOP-7639. Enhance HttpServer to allow passing path-specs for filtering,
-    so that servers like Yarn WebApp can get filtered the paths served by
-    their own injected servlets. (Thomas Graves via vinodkv)
-
-    HADOOP-7575. Enhanced LocalDirAllocator to support fully-qualified
-    paths. (Jonathan Eagles via vinodkv)
-
   OPTIMIZATIONS
   
     HADOOP-7333. Performance improvement in PureJavaCrc32. (Eric Caspole
@@ -423,9 +398,6 @@ Release 0.23.0 - Unreleased
 
   BUG FIXES
 
-    HADOOP-7630. hadoop-metrics2.properties should have a property *.period 
-    set to a default value for metrics. (Eric Yang via mattf)
-
     HADOOP-7327. FileSystem.listStatus() throws NullPointerException instead of
     IOException upon access permission failure. (mattf)
 
@@ -631,9 +603,6 @@ Release 0.23.0 - Unreleased
     HADOOP-7631. Fixes a config problem to do with running streaming jobs
     (Eric Yang via ddas)
 
-    HADOOP-7662. Fixed logs servlet to use the pathspec '/*' instead of '/'
-    for correct filtering. (Thomas Graves via vinodkv)
-
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES
@@ -1149,11 +1118,6 @@ Release 0.22.0 - Unreleased
     HADOOP-7568. SequenceFile should not print into stdout.
     (Plamen Jeliazkov via shv)
 
-    HADOOP-7663. Fix TestHDFSTrash failure. (Mayank Bansal via shv)
-
-    HADOOP-7457. Remove out-of-date Chinese language documentation.
-    (Jakob Homan via eli)
-
 Release 0.21.1 - Unreleased
 
   IMPROVEMENTS

hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/HttpAuthentication.xml

@@ -82,12 +82,10 @@
       <code>36000</code>.
       </p>
 
-      <p><code>hadoop.http.authentication.signature.secret.file</code>: The signature secret 
+      <p><code>hadoop.http.authentication.signature.secret</code>: The signature secret for  
-      file for signing the authentication tokens. If not set a random secret is generated at 
+      signing the authentication tokens. If not set a random secret is generated at 
       startup time. The same secret should be used for all nodes in the cluster, JobTracker, 
-      NameNode, DataNode and TastTracker. The default value is 
+      NameNode, DataNode and TastTracker. The default value is a <code>hadoop</code> value.
-      <code>${user.home}/hadoop-http-auth-signature-secret</code>.
-      IMPORTANT: This file should be readable only by the Unix user running the daemons.
       </p>
         
       <p><code>hadoop.http.authentication.cookie.domain</code>: The domain to use for the HTTP 

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java

@@ -1632,10 +1632,6 @@ private synchronized Document asXmlDocument() throws IOException {
     try {
       doc =
         DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
-
-      // Allow a broader set of control characters to appear in job confs.
-      // cf https://issues.apache.org/jira/browse/MAPREDUCE-109 
-      doc.setXmlVersion( "1.1" );
     } catch (ParserConfigurationException pe) {
       throw new IOException(pe);
     }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/LocalDirAllocator.java

@@ -264,15 +264,9 @@ private synchronized void confChanged(Configuration conf)
             Path tmpDir = new Path(localDirs[i]);
             if(localFS.mkdirs(tmpDir)|| localFS.exists(tmpDir)) {
               try {
-
+                DiskChecker.checkDir(new File(localDirs[i]));
-                File tmpFile = tmpDir.isAbsolute()
+                dirs.add(localDirs[i]);
-                  ? new File(localFS.makeQualified(tmpDir).toUri())
+                dfList.add(new DF(new File(localDirs[i]), 30000));
-                  : new File(localDirs[i]);
-
-                DiskChecker.checkDir(tmpFile);
-                dirs.add(tmpFile.getPath());
-                dfList.add(new DF(tmpFile, 30000));
-
               } catch (DiskErrorException de) {
                 LOG.warn( localDirs[i] + " is not writable\n", de);
               }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java

@@ -20,7 +20,6 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.PrintWriter;
-import java.io.InterruptedIOException;
 import java.net.BindException;
 import java.net.InetSocketAddress;
 import java.net.URL;
@@ -125,29 +124,6 @@ public HttpServer(String name, String bindAddress, int port,
       boolean findPort, Configuration conf, Connector connector) throws IOException {
     this(name, bindAddress, port, findPort, conf, null, connector);
   }
-
-  /**
-   * Create a status server on the given port. Allows you to specify the
-   * path specifications that this server will be serving so that they will be
-   * added to the filters properly.  
-   * 
-   * @param name The name of the server
-   * @param bindAddress The address for this server
-   * @param port The port to use on the server
-   * @param findPort whether the server should start at the given port and 
-   *        increment by 1 until it finds a free port.
-   * @param conf Configuration 
-   * @param pathSpecs Path specifications that this httpserver will be serving. 
-   *        These will be added to any filters.
-   */
-  public HttpServer(String name, String bindAddress, int port,
-      boolean findPort, Configuration conf, String[] pathSpecs) throws IOException {
-    this(name, bindAddress, port, findPort, conf, null, null);
-    for (String path : pathSpecs) {
-        LOG.info("adding path spec: " + path);
-      addFilterPathMapping(path, webAppContext);
-    }
-  }
   
   /**
    * Create a status server on the given port.
@@ -283,7 +259,7 @@ protected void addDefaultApps(ContextHandlerCollection parent,
     if (logDir != null) {
       Context logContext = new Context(parent, "/logs");
       logContext.setResourceBase(logDir);
-      logContext.addServlet(AdminAuthorizedServlet.class, "/*");
+      logContext.addServlet(AdminAuthorizedServlet.class, "/");
       logContext.setDisplayName("logs");
       setContextAttributes(logContext, conf);
       defaultContexts.put(logContext, true);
@@ -684,9 +660,6 @@ public void start() throws IOException {
       }
     } catch (IOException e) {
       throw e;
-    } catch (InterruptedException e) {
-      throw (IOException) new InterruptedIOException(
-          "Interrupted while starting HTTP server").initCause(e);
     } catch (Exception e) {
       throw new IOException("Problem starting http server", e);
     }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtocolSignature.java

@@ -199,7 +199,7 @@ private static ProtocolSigFingerprint getSigFingerprint(
    * @param protocol protocol
    * @return the server's protocol signature
    */
-  public static ProtocolSignature getProtocolSignature(
+  static ProtocolSignature getProtocolSignature(
       int clientMethodsHashCode,
       long serverVersion,
       Class<? extends VersionedProtocol> protocol) {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java

@@ -516,25 +516,4 @@ public static InetAddress getLocalInetAddress(String host)
     } catch (UnknownHostException ignore) { }
     return addr;
   }
-  
-  /**
-   * Given an InetAddress, checks to see if the address is a local address, by
-   * comparing the address with all the interfaces on the node.
-   * @param addr address to check if it is local node's address
-   * @return true if the address corresponds to the local node
-   */
-  public static boolean isLocalAddress(InetAddress addr) {
-    // Check if the address is any local or loop back
-    boolean local = addr.isAnyLocalAddress() || addr.isLoopbackAddress();
-
-    // Check if the address is defined on any interface
-    if (!local) {
-      try {
-        local = NetworkInterface.getByInetAddress(addr) != null;
-      } catch (SocketException e) {
-        local = false;
-      }
-    }
-    return local;
-  }
 }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/AuthenticationFilterInitializer.java

@@ -22,9 +22,6 @@
 import org.apache.hadoop.http.FilterContainer;
 import org.apache.hadoop.http.FilterInitializer;
 
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.Reader;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -43,10 +40,8 @@
  */
 public class AuthenticationFilterInitializer extends FilterInitializer {
 
-  static final String PREFIX = "hadoop.http.authentication.";
+  private static final String PREFIX = "hadoop.http.authentication.";
 
-  static final String SIGNATURE_SECRET_FILE = AuthenticationFilter.SIGNATURE_SECRET + ".file";
-  
   /**
    * Initializes Alfredo AuthenticationFilter.
    * <p/>
@@ -72,25 +67,6 @@ public void initFilter(FilterContainer container, Configuration conf) {
       }
     }
 
-    String signatureSecretFile = filterConfig.get(SIGNATURE_SECRET_FILE);
-    if (signatureSecretFile == null) {
-      throw new RuntimeException("Undefined property: " + SIGNATURE_SECRET_FILE);      
-    }
-    
-    try {
-      StringBuilder secret = new StringBuilder();
-      Reader reader = new FileReader(signatureSecretFile);
-      int c = reader.read();
-      while (c > -1) {
-        secret.append((char)c);
-        c = reader.read();
-      }
-      reader.close();
-      filterConfig.put(AuthenticationFilter.SIGNATURE_SECRET, secret.toString());
-    } catch (IOException ex) {
-      throw new RuntimeException("Could not read HTTP signature secret file: " + signatureSecretFile);            
-    }
-    
     container.addFilter("authentication",
                         AuthenticationFilter.class.getName(),
                         filterConfig);

hadoop-common-project/hadoop-common/src/main/packages/hadoop-setup-conf.sh

@@ -475,10 +475,7 @@ else
   template_generator ${HADOOP_PREFIX}/share/hadoop/common/templates/conf/taskcontroller.cfg ${HADOOP_CONF_DIR}/taskcontroller.cfg
   template_generator ${HADOOP_PREFIX}/share/hadoop/common/templates/conf/hadoop-metrics2.properties ${HADOOP_CONF_DIR}/hadoop-metrics2.properties
   if [ ! -e ${HADOOP_CONF_DIR}/capacity-scheduler.xml ]; then
-    template_generator ${HADOOP_PREFIX}/share/hadoop/common/templates/conf/capacity-scheduler.xml ${HADOOP_CONF_DIR}/capacity-scheduler.xml
+    template_generator ${HADOOP_PREFIX}/share/hadoop/templates/conf/capacity-scheduler.xml ${HADOOP_CONF_DIR}/capacity-scheduler.xml
-  fi
-  if [ ! -e ${HADOOP_CONF_DIR}/hadoop-metrics2.properties ]; then
-    cp ${HADOOP_PREFIX}/share/hadoop/common/templates/conf/hadoop-metrics2.properties ${HADOOP_CONF_DIR}/hadoop-metrics2.properties
   fi
   if [ ! -e ${HADOOP_CONF_DIR}/log4j.properties ]; then
     cp ${HADOOP_PREFIX}/share/hadoop/common/templates/conf/log4j.properties ${HADOOP_CONF_DIR}/log4j.properties

hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hadoop-metrics2.properties

@@ -1,20 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# syntax: [prefix].[source|sink|jmx].[instance].[options]
-# See package.html for org.apache.hadoop.metrics2 for details
-
-*.period=60
-

hadoop-common-project/hadoop-common/src/main/packages/templates/conf/hdfs-site.xml

@@ -144,26 +144,6 @@
     </description>
   </property>
 
-  <property>
-    <name>dfs.web.authentication.kerberos.principal</name>
-    <value>HTTP/_HOST@${local.realm}</value>
-    <description>
-      The HTTP Kerberos principal used by Hadoop-Auth in the HTTP endpoint.
-
-      The HTTP Kerberos principal MUST start with 'HTTP/' per Kerberos
-      HTTP SPENGO specification.
-    </description>
-  </property>
-
-  <property>
-    <name>dfs.web.authentication.kerberos.keytab</name>
-    <value>/etc/security/keytabs/nn.service.keytab</value>
-    <description>
-      The Kerberos keytab file with the credentials for the
-      HTTP Kerberos principal used by Hadoop-Auth in the HTTP endpoint.
-    </description>
-  </property>
-
   <property>
     <name>dfs.namenode.keytab.file</name>
     <value>/etc/security/keytabs/nn.service.keytab</value>

hadoop-common-project/hadoop-common/src/main/packages/templates/conf/log4j.properties

@@ -1,213 +0,0 @@
-# Copyright 2011 The Apache Software Foundation
-# 
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Define some default values that can be overridden by system properties
-hadoop.root.logger=INFO,console
-hadoop.log.dir=.
-hadoop.log.file=hadoop.log
-
-#
-# Job Summary Appender 
-#
-# Use following logger to send summary to separate file defined by 
-# hadoop.mapreduce.jobsummary.log.file rolled daily:
-# hadoop.mapreduce.jobsummary.logger=INFO,JSA
-# 
-hadoop.mapreduce.jobsummary.logger=${hadoop.root.logger}
-hadoop.mapreduce.jobsummary.log.file=hadoop-mapreduce.jobsummary.log
-
-# Define the root logger to the system property "hadoop.root.logger".
-log4j.rootLogger=${hadoop.root.logger}, EventCounter
-
-# Logging Threshold
-log4j.threshold=ALL
-
-#
-# Daily Rolling File Appender
-#
-
-log4j.appender.DRFA=org.apache.log4j.DailyRollingFileAppender
-log4j.appender.DRFA.File=${hadoop.log.dir}/${hadoop.log.file}
-
-# Rollver at midnight
-log4j.appender.DRFA.DatePattern=.yyyy-MM-dd
-
-# 30-day backup
-#log4j.appender.DRFA.MaxBackupIndex=30
-log4j.appender.DRFA.layout=org.apache.log4j.PatternLayout
-
-# Pattern format: Date LogLevel LoggerName LogMessage
-log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n
-# Debugging Pattern format
-#log4j.appender.DRFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n
-
-
-#
-# console
-# Add "console" to rootlogger above if you want to use this 
-#
-
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.target=System.err
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{2}: %m%n
-
-#
-# TaskLog Appender
-#
-
-#Default values
-hadoop.tasklog.taskid=null
-hadoop.tasklog.iscleanup=false
-hadoop.tasklog.noKeepSplits=4
-hadoop.tasklog.totalLogFileSize=100
-hadoop.tasklog.purgeLogSplits=true
-hadoop.tasklog.logsRetainHours=12
-
-log4j.appender.TLA=org.apache.hadoop.mapred.TaskLogAppender
-log4j.appender.TLA.taskId=${hadoop.tasklog.taskid}
-log4j.appender.TLA.isCleanup=${hadoop.tasklog.iscleanup}
-log4j.appender.TLA.totalLogFileSize=${hadoop.tasklog.totalLogFileSize}
-
-log4j.appender.TLA.layout=org.apache.log4j.PatternLayout
-log4j.appender.TLA.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n
-
-#
-#Security appender
-#
-hadoop.security.log.file=SecurityAuth.audit
-log4j.appender.DRFAS=org.apache.log4j.DailyRollingFileAppender 
-log4j.appender.DRFAS.File=${hadoop.log.dir}/${hadoop.security.log.file}
-
-log4j.appender.DRFAS.layout=org.apache.log4j.PatternLayout
-log4j.appender.DRFAS.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n
-#new logger
-# Define some default values that can be overridden by system properties
-hadoop.security.logger=INFO,console
-log4j.category.SecurityLogger=${hadoop.security.logger}
-
-# hdfs audit logging
-
-hdfs.audit.logger=INFO,console
-log4j.logger.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=${hdfs.audit.logger}
-log4j.additivity.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=false
-log4j.appender.DRFAAUDIT=org.apache.log4j.DailyRollingFileAppender
-log4j.appender.DRFAAUDIT.File=${hadoop.log.dir}/hdfs-audit.log
-log4j.appender.DRFAAUDIT.layout=org.apache.log4j.PatternLayout
-log4j.appender.DRFAAUDIT.layout.ConversionPattern=%d{ISO8601} %p %c{2}: %m%n
-log4j.appender.DRFAAUDIT.DatePattern=.yyyy-MM-dd
-
-# mapred audit logging
-
-mapred.audit.logger=INFO,console
-log4j.logger.org.apache.hadoop.mapred.AuditLogger=${mapred.audit.logger}
-log4j.additivity.org.apache.hadoop.mapred.AuditLogger=false
-log4j.appender.MRAUDIT=org.apache.log4j.DailyRollingFileAppender
-log4j.appender.MRAUDIT.File=${hadoop.log.dir}/mapred-audit.log
-log4j.appender.MRAUDIT.layout=org.apache.log4j.PatternLayout
-log4j.appender.MRAUDIT.layout.ConversionPattern=%d{ISO8601} %p %c{2}: %m%n
-log4j.appender.MRAUDIT.DatePattern=.yyyy-MM-dd
-
-#
-# Rolling File Appender
-#
-
-#log4j.appender.RFA=org.apache.log4j.RollingFileAppender
-#log4j.appender.RFA.File=${hadoop.log.dir}/${hadoop.log.file}
-
-# Logfile size and and 30-day backups
-#log4j.appender.RFA.MaxFileSize=1MB
-#log4j.appender.RFA.MaxBackupIndex=30
-
-#log4j.appender.RFA.layout=org.apache.log4j.PatternLayout
-#log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} - %m%n
-#log4j.appender.RFA.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n
-
-#
-# FSNamesystem Audit logging
-# All audit events are logged at INFO level
-#
-log4j.logger.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=WARN
-
-# Custom Logging levels
-
-#log4j.logger.org.apache.hadoop.mapred.JobTracker=DEBUG
-#log4j.logger.org.apache.hadoop.mapred.TaskTracker=DEBUG
-#log4j.logger.org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit=DEBUG
-
-# Jets3t library
-log4j.logger.org.jets3t.service.impl.rest.httpclient.RestS3Service=ERROR
-
-#
-# Event Counter Appender
-# Sends counts of logging messages at different severity levels to Hadoop Metrics.
-#
-log4j.appender.EventCounter=org.apache.hadoop.log.metrics.EventCounter
-
-#
-# Job Summary Appender
-#
-log4j.appender.JSA=org.apache.log4j.DailyRollingFileAppender
-log4j.appender.JSA.File=${hadoop.log.dir}/${hadoop.mapreduce.jobsummary.log.file}
-log4j.appender.JSA.layout=org.apache.log4j.PatternLayout
-log4j.appender.JSA.layout.ConversionPattern=%d{yy/MM/dd HH:mm:ss} %p %c{2}: %m%n
-log4j.appender.JSA.DatePattern=.yyyy-MM-dd
-log4j.logger.org.apache.hadoop.mapred.JobInProgress$JobSummary=${hadoop.mapreduce.jobsummary.logger}
-log4j.additivity.org.apache.hadoop.mapred.JobInProgress$JobSummary=false
-
-#
-# MapReduce Audit Log Appender
-#
-
-# Set the MapReduce audit log filename
-#hadoop.mapreduce.audit.log.file=hadoop-mapreduce.audit.log
-
-# Appender for AuditLogger.
-# Requires the following system properties to be set
-#    - hadoop.log.dir (Hadoop Log directory)
-#    - hadoop.mapreduce.audit.log.file (MapReduce audit log filename)
-
-#log4j.logger.org.apache.hadoop.mapred.AuditLogger=INFO,MRAUDIT
-#log4j.additivity.org.apache.hadoop.mapred.AuditLogger=false
-#log4j.appender.MRAUDIT=org.apache.log4j.DailyRollingFileAppender
-#log4j.appender.MRAUDIT.File=${hadoop.log.dir}/${hadoop.mapreduce.audit.log.file}
-#log4j.appender.MRAUDIT.DatePattern=.yyyy-MM-dd
-#log4j.appender.MRAUDIT.layout=org.apache.log4j.PatternLayout
-#log4j.appender.MRAUDIT.layout.ConversionPattern=%d{ISO8601} %p %c: %m%n
-
-#
-# Yarn ResourceManager Application Summary Log 
-#
-# Set the ResourceManager summary log filename
-#yarn.server.resourcemanager.appsummary.log.file=rm-appsummary.log
-# Set the ResourceManager summary log level and appender
-#yarn.server.resourcemanager.appsummary.logger=INFO,RMSUMMARY
-
-# Appender for ResourceManager Application Summary Log - rolled daily
-# Requires the following properties to be set
-#    - hadoop.log.dir (Hadoop Log directory)
-#    - yarn.server.resourcemanager.appsummary.log.file (resource manager app summary log filename)
-#    - yarn.server.resourcemanager.appsummary.logger (resource manager app summary log level and appender)
-
-#log4j.logger.org.apache.hadoop.yarn.server.resourcemanager.RMAppManager$ApplicationSummary=${yarn.server.resourcemanager.appsummary.logger}
-#log4j.additivity.org.apache.hadoop.yarn.server.resourcemanager.RMAppManager$ApplicationSummary=false
-#log4j.appender.RMSUMMARY=org.apache.log4j.DailyRollingFileAppender
-#log4j.appender.RMSUMMARY.File=${hadoop.log.dir}/${yarn.server.resourcemanager.appsummary.log.file}
-#log4j.appender.RMSUMMARY.layout=org.apache.log4j.PatternLayout
-#log4j.appender.RMSUMMARY.layout.ConversionPattern=%d{ISO8601} %p %c{2}: %m%n
-#log4j.appender.RMSUMMARY.DatePattern=.yyyy-MM-dd

hadoop-common-project/hadoop-common/src/main/resources/core-default.xml

@@ -808,8 +808,8 @@
 </property>
 
 <property>
-  <name>hadoop.http.authentication.signature.secret.file</name>
+  <name>hadoop.http.authentication.signature.secret</name>
-  <value>${user.home}/hadoop-http-auth-signature-secret</value>
+  <value>hadoop</value>
   <description>
     The signature secret for signing the authentication tokens.
     If not set a random secret is generated at startup time.

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfiguration.java

@@ -58,7 +58,7 @@ protected void tearDown() throws Exception {
   }
   
   private void startConfig() throws IOException{
-    out.write("<?xml version=\"1.1\"?>\n");
+    out.write("<?xml version=\"1.0\"?>\n");
     out.write("<configuration>\n");
   }
 
@@ -221,18 +221,6 @@ public void testCommentsInValue() throws IOException {
     assertEquals("this  contains a comment", conf.get("my.comment"));
   }
   
-  public void testControlAInValue() throws IOException {
-    out = new BufferedWriter(new FileWriter(CONFIG));
-    startConfig();
-    appendProperty("my.char", "&#1;");
-    appendProperty("my.string", "some&#1;string");
-    endConfig();
-    Path fileResource = new Path(CONFIG);
-    conf.addResource(fileResource);
-    assertEquals("\u0001", conf.get("my.char"));
-    assertEquals("some\u0001string", conf.get("my.string"));
-  }
-
   public void testTrim() throws IOException {
     out=new BufferedWriter(new FileWriter(CONFIG));
     startConfig();
@@ -310,7 +298,7 @@ public void testWriteXml() throws IOException {
     conf.writeXml(baos);
     String result = baos.toString();
     assertTrue("Result has proper header", result.startsWith(
-        "<?xml version=\"1.1\" encoding=\"UTF-8\" standalone=\"no\"?><configuration>"));
+        "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?><configuration>"));
     assertTrue("Result has proper footer", result.endsWith("</configuration>"));
   }
   

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestLocalDirAllocator.java

@@ -20,48 +20,40 @@
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
-import java.util.Arrays;
-import java.util.Collection;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.util.Shell;
 
-import org.junit.runner.RunWith;
+import junit.framework.TestCase;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
-import org.junit.Test;
-
-import static org.junit.Assert.*;
 
 /** This test LocalDirAllocator works correctly;
- * Every test case uses different buffer dirs to
+ * Every test case uses different buffer dirs to 
  * enforce the AllocatorPerContext initialization.
  * This test does not run on Cygwin because under Cygwin
  * a directory can be created in a read-only directory
  * which breaks this test.
- */
+ */ 
-@RunWith(Parameterized.class)
+public class TestLocalDirAllocator extends TestCase {
-public class TestLocalDirAllocator {
   final static private Configuration conf = new Configuration();
   final static private String BUFFER_DIR_ROOT = "build/test/temp";
-  final static private String ABSOLUTE_DIR_ROOT;
-  final static private String QUALIFIED_DIR_ROOT;
   final static private Path BUFFER_PATH_ROOT = new Path(BUFFER_DIR_ROOT);
   final static private File BUFFER_ROOT = new File(BUFFER_DIR_ROOT);
-  final static private String CONTEXT = "fs.client.buffer.dir";
+  final static private String BUFFER_DIR[] = new String[] {
+    BUFFER_DIR_ROOT+"/tmp0",  BUFFER_DIR_ROOT+"/tmp1", BUFFER_DIR_ROOT+"/tmp2",
+    BUFFER_DIR_ROOT+"/tmp3", BUFFER_DIR_ROOT+"/tmp4", BUFFER_DIR_ROOT+"/tmp5",
+    BUFFER_DIR_ROOT+"/tmp6"};
+  final static private Path BUFFER_PATH[] = new Path[] {
+    new Path(BUFFER_DIR[0]), new Path(BUFFER_DIR[1]), new Path(BUFFER_DIR[2]),
+    new Path(BUFFER_DIR[3]), new Path(BUFFER_DIR[4]), new Path(BUFFER_DIR[5]),
+    new Path(BUFFER_DIR[6])};
+  final static private String CONTEXT = "dfs.client.buffer.dir";
   final static private String FILENAME = "block";
-  final static private LocalDirAllocator dirAllocator =
+  final static private LocalDirAllocator dirAllocator = 
     new LocalDirAllocator(CONTEXT);
   static LocalFileSystem localFs;
   final static private boolean isWindows =
     System.getProperty("os.name").startsWith("Windows");
   final static int SMALL_FILE_SIZE = 100;
-  final static private String RELATIVE = "/RELATIVE";
-  final static private String ABSOLUTE = "/ABSOLUTE";
-  final static private String QUALIFIED = "/QUALIFIED";
-  final private String ROOT;
-  final private String PREFIX;
-
   static {
     try {
       localFs = FileSystem.getLocal(conf);
@@ -71,214 +63,170 @@ public class TestLocalDirAllocator {
       e.printStackTrace();
       System.exit(-1);
     }
-
-    ABSOLUTE_DIR_ROOT = new Path(localFs.getWorkingDirectory(),
-        BUFFER_DIR_ROOT).toUri().getPath();
-    QUALIFIED_DIR_ROOT = new Path(localFs.getWorkingDirectory(),
-        BUFFER_DIR_ROOT).toUri().toString();
-  }
-
-  public TestLocalDirAllocator(String root, String prefix) {
-    ROOT = root;
-    PREFIX = prefix;
-  }
-
-  @Parameters
-  public static Collection<Object[]> params() {
-    Object [][] data = new Object[][] {
-      { BUFFER_DIR_ROOT, RELATIVE },
-      { ABSOLUTE_DIR_ROOT, ABSOLUTE },
-      { QUALIFIED_DIR_ROOT, QUALIFIED }
-    };
-
-    return Arrays.asList(data);
   }
 
   private static void rmBufferDirs() throws IOException {
     assertTrue(!localFs.exists(BUFFER_PATH_ROOT) ||
         localFs.delete(BUFFER_PATH_ROOT, true));
   }
-
+  
-  private static void validateTempDirCreation(String dir) throws IOException {
+  private void validateTempDirCreation(int i) throws IOException {
     File result = createTempFile(SMALL_FILE_SIZE);
-    assertTrue("Checking for " + dir + " in " + result + " - FAILED!",
+    assertTrue("Checking for " + BUFFER_DIR[i] + " in " + result + " - FAILED!", 
-        result.getPath().startsWith(new Path(dir, FILENAME).toUri().getPath()));
+        result.getPath().startsWith(new File(BUFFER_DIR[i], FILENAME).getPath()));
   }
-
+  
-  private static File createTempFile() throws IOException {
+  private File createTempFile() throws IOException {
-    return createTempFile(-1);
+    File result = dirAllocator.createTmpFileForWrite(FILENAME, -1, conf);
+    result.delete();
+    return result;
   }
-
+  
-  private static File createTempFile(long size) throws IOException {
+  private File createTempFile(long size) throws IOException {
     File result = dirAllocator.createTmpFileForWrite(FILENAME, size, conf);
     result.delete();
     return result;
   }
-
+  
-  private String buildBufferDir(String dir, int i) {
+  /** Two buffer dirs. The first dir does not exist & is on a read-only disk; 
-    return dir + PREFIX + i;
-  }
-
-  /** Two buffer dirs. The first dir does not exist & is on a read-only disk;
    * The second dir exists & is RW
    * @throws Exception
    */
-  @Test
   public void test0() throws Exception {
     if (isWindows) return;
-    String dir0 = buildBufferDir(ROOT, 0);
-    String dir1 = buildBufferDir(ROOT, 1);
     try {
-      conf.set(CONTEXT, dir0 + "," + dir1);
+      conf.set(CONTEXT, BUFFER_DIR[0]+","+BUFFER_DIR[1]);
-      assertTrue(localFs.mkdirs(new Path(dir1)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[1]));
       BUFFER_ROOT.setReadOnly();
-      validateTempDirCreation(dir1);
+      validateTempDirCreation(1);
-      validateTempDirCreation(dir1);
+      validateTempDirCreation(1);
     } finally {
       Shell.execCommand(new String[]{"chmod", "u+w", BUFFER_DIR_ROOT});
       rmBufferDirs();
     }
   }
-
+    
-  /** Two buffer dirs. The first dir exists & is on a read-only disk;
+  /** Two buffer dirs. The first dir exists & is on a read-only disk; 
    * The second dir exists & is RW
    * @throws Exception
    */
-  @Test
   public void test1() throws Exception {
     if (isWindows) return;
-    String dir1 = buildBufferDir(ROOT, 1);
-    String dir2 = buildBufferDir(ROOT, 2);
     try {
-      conf.set(CONTEXT, dir1 + "," + dir2);
+      conf.set(CONTEXT, BUFFER_DIR[1]+","+BUFFER_DIR[2]);
-      assertTrue(localFs.mkdirs(new Path(dir2)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[2]));
       BUFFER_ROOT.setReadOnly();
-      validateTempDirCreation(dir2);
+      validateTempDirCreation(2);
-      validateTempDirCreation(dir2);
+      validateTempDirCreation(2);
     } finally {
       Shell.execCommand(new String[]{"chmod", "u+w", BUFFER_DIR_ROOT});
       rmBufferDirs();
     }
   }
   /** Two buffer dirs. Both do not exist but on a RW disk.
-   * Check if tmp dirs are allocated in a round-robin
+   * Check if tmp dirs are allocated in a round-robin 
    */
-  @Test
   public void test2() throws Exception {
     if (isWindows) return;
-    String dir2 = buildBufferDir(ROOT, 2);
-    String dir3 = buildBufferDir(ROOT, 3);
     try {
-      conf.set(CONTEXT, dir2 + "," + dir3);
+      conf.set(CONTEXT, BUFFER_DIR[2]+","+BUFFER_DIR[3]);
 
       // create the first file, and then figure the round-robin sequence
       createTempFile(SMALL_FILE_SIZE);
       int firstDirIdx = (dirAllocator.getCurrentDirectoryIndex() == 0) ? 2 : 3;
       int secondDirIdx = (firstDirIdx == 2) ? 3 : 2;
-
+      
       // check if tmp dirs are allocated in a round-robin manner
-      validateTempDirCreation(buildBufferDir(ROOT, firstDirIdx));
+      validateTempDirCreation(firstDirIdx);
-      validateTempDirCreation(buildBufferDir(ROOT, secondDirIdx));
+      validateTempDirCreation(secondDirIdx);
-      validateTempDirCreation(buildBufferDir(ROOT, firstDirIdx));
+      validateTempDirCreation(firstDirIdx);
     } finally {
       rmBufferDirs();
     }
   }
 
-  /** Two buffer dirs. Both exists and on a R/W disk.
+  /** Two buffer dirs. Both exists and on a R/W disk. 
    * Later disk1 becomes read-only.
    * @throws Exception
    */
-  @Test
   public void test3() throws Exception {
     if (isWindows) return;
-    String dir3 = buildBufferDir(ROOT, 3);
-    String dir4 = buildBufferDir(ROOT, 4);
     try {
-      conf.set(CONTEXT, dir3 + "," + dir4);
+      conf.set(CONTEXT, BUFFER_DIR[3]+","+BUFFER_DIR[4]);
-      assertTrue(localFs.mkdirs(new Path(dir3)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[3]));
-      assertTrue(localFs.mkdirs(new Path(dir4)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[4]));
-
+      
-      // Create the first small file
+      // create the first file with size, and then figure the round-robin sequence
       createTempFile(SMALL_FILE_SIZE);
 
-      // Determine the round-robin sequence
       int nextDirIdx = (dirAllocator.getCurrentDirectoryIndex() == 0) ? 3 : 4;
-      validateTempDirCreation(buildBufferDir(ROOT, nextDirIdx));
+      validateTempDirCreation(nextDirIdx);
 
       // change buffer directory 2 to be read only
-      new File(new Path(dir4).toUri().getPath()).setReadOnly();
+      new File(BUFFER_DIR[4]).setReadOnly();
-      validateTempDirCreation(dir3);
+      validateTempDirCreation(3);
-      validateTempDirCreation(dir3);
+      validateTempDirCreation(3);
     } finally {
       rmBufferDirs();
     }
   }
-
+  
   /**
    * Two buffer dirs, on read-write disk.
-   *
+   * 
    * Try to create a whole bunch of files.
    *  Verify that they do indeed all get created where they should.
-   *
+   *  
    *  Would ideally check statistical properties of distribution, but
    *  we don't have the nerve to risk false-positives here.
-   *
+   * 
    * @throws Exception
    */
   static final int TRIALS = 100;
-  @Test
   public void test4() throws Exception {
     if (isWindows) return;
-    String dir5 = buildBufferDir(ROOT, 5);
-    String dir6 = buildBufferDir(ROOT, 6);
     try {
 
-      conf.set(CONTEXT, dir5 + "," + dir6);
+      conf.set(CONTEXT, BUFFER_DIR[5]+","+BUFFER_DIR[6]);
-      assertTrue(localFs.mkdirs(new Path(dir5)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[5]));
-      assertTrue(localFs.mkdirs(new Path(dir6)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[6]));
-
+        
       int inDir5=0, inDir6=0;
       for(int i = 0; i < TRIALS; ++i) {
         File result = createTempFile();
-        if(result.getPath().startsWith(
+        if(result.getPath().startsWith(new File(BUFFER_DIR[5], FILENAME).getPath())) {
-              new Path(dir5, FILENAME).toUri().getPath())) {
           inDir5++;
-        } else if(result.getPath().startsWith(
+        } else  if(result.getPath().startsWith(new File(BUFFER_DIR[6], FILENAME).getPath())) {
-              new Path(dir6, FILENAME).toUri().getPath())) {
           inDir6++;
         }
         result.delete();
       }
-
+      
-      assertTrue(inDir5 + inDir6 == TRIALS);
+      assertTrue( inDir5 + inDir6 == TRIALS);
-
+        
     } finally {
       rmBufferDirs();
     }
   }
-
+  
-  /** Two buffer dirs. The first dir does not exist & is on a read-only disk;
+  /** Two buffer dirs. The first dir does not exist & is on a read-only disk; 
    * The second dir exists & is RW
    * getLocalPathForWrite with checkAccess set to false should create a parent
    * directory. With checkAccess true, the directory should not be created.
    * @throws Exception
    */
-  @Test
   public void testLocalPathForWriteDirCreation() throws IOException {
-    String dir0 = buildBufferDir(ROOT, 0);
-    String dir1 = buildBufferDir(ROOT, 1);
     try {
-      conf.set(CONTEXT, dir0 + "," + dir1);
+      conf.set(CONTEXT, BUFFER_DIR[0] + "," + BUFFER_DIR[1]);
-      assertTrue(localFs.mkdirs(new Path(dir1)));
+      assertTrue(localFs.mkdirs(BUFFER_PATH[1]));
       BUFFER_ROOT.setReadOnly();
       Path p1 =
-        dirAllocator.getLocalPathForWrite("p1/x", SMALL_FILE_SIZE, conf);
+          dirAllocator.getLocalPathForWrite("p1/x", SMALL_FILE_SIZE, conf);
       assertTrue(localFs.getFileStatus(p1.getParent()).isDirectory());
 
       Path p2 =
-        dirAllocator.getLocalPathForWrite("p2/x", SMALL_FILE_SIZE, conf,
+          dirAllocator.getLocalPathForWrite("p2/x", SMALL_FILE_SIZE, conf,
-            false);
+              false);
       try {
         localFs.getFileStatus(p2.getParent());
       } catch (Exception e) {
@@ -289,26 +237,5 @@ public void testLocalPathForWriteDirCreation() throws IOException {
       rmBufferDirs();
     }
   }
-
+  
-  /** Test no side effect files are left over. After creating a temp
-   * temp file, remove both the temp file and its parent. Verify that
-   * no files or directories are left over as can happen when File objects
-   * are mistakenly created from fully qualified path strings.
-   * @throws IOException
-   */
-  @Test
-  public void testNoSideEffects() throws IOException {
-    if (isWindows) return;
-    String dir = buildBufferDir(ROOT, 0);
-    try {
-      conf.set(CONTEXT, dir);
-      File result = dirAllocator.createTmpFileForWrite(FILENAME, -1, conf);
-      assertTrue(result.delete());
-      assertTrue(result.getParentFile().delete());
-      assertFalse(new File(dir).exists());
-    } finally {
-      Shell.execCommand(new String[]{"chmod", "u+w", BUFFER_DIR_ROOT});
-      rmBufferDirs();
-    }
-  }
 }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java

@@ -486,9 +486,6 @@ public void testTrashEmptier() throws Exception {
     conf.set(FS_TRASH_INTERVAL_KEY, "0.2"); // 12 seconds
     conf.setClass("fs.file.impl", TestLFS.class, FileSystem.class);
     conf.set(FS_TRASH_CHECKPOINT_INTERVAL_KEY, "0.1"); // 6 seconds
-    FileSystem fs = FileSystem.getLocal(conf);
-    conf.set("fs.default.name", fs.getUri().toString());
-    
     Trash trash = new Trash(conf);
 
     // Start Emptier in background
@@ -496,6 +493,8 @@ public void testTrashEmptier() throws Exception {
     Thread emptierThread = new Thread(emptier);
     emptierThread.start();
 
+    FileSystem fs = FileSystem.getLocal(conf);
+    conf.set("fs.defaultFS", fs.getUri().toString());
     FsShell shell = new FsShell();
     shell.setConf(conf);
     shell.init();

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/HttpServerFunctionalTest.java

@@ -70,21 +70,6 @@ public static HttpServer createTestServer(Configuration conf)
     return createServer(TEST, conf);
   }
 
-  /**
-   * Create but do not start the test webapp server. The test webapp dir is
-   * prepared/checked in advance.
-   * @param conf the server configuration to use
-   * @return the server instance
-   *
-   * @throws IOException if a problem occurs
-   * @throws AssertionError if a condition was not met
-   */
-  public static HttpServer createTestServer(Configuration conf, 
-      String[] pathSpecs) throws IOException {
-    prepareTestWebapp();
-    return createServer(TEST, conf, pathSpecs);
-  }
-
   /**
    * Prepare the test webapp by creating the directory from the test properties
    * fail if the directory cannot be created.
@@ -119,18 +104,6 @@ public static HttpServer createServer(String webapp, Configuration conf)
       throws IOException {
     return new HttpServer(webapp, "0.0.0.0", 0, true, conf);
   }
-  /**
-   * Create an HttpServer instance for the given webapp
-   * @param webapp the webapp to work with
-   * @param conf the configuration to use for the server
-   * @param pathSpecs the paths specifications the server will service
-   * @return the server
-   * @throws IOException if it could not be created
-   */
-  public static HttpServer createServer(String webapp, Configuration conf,
-      String[] pathSpecs) throws IOException {
-    return new HttpServer(webapp, "0.0.0.0", 0, true, conf, pathSpecs);
-  }
 
   /**
    * Create and start a server with the test webapp

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestPathFilter.java

@@ -1,145 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.http;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
-import java.util.Set;
-import java.util.TreeSet;
-
-import javax.servlet.Filter;
-import javax.servlet.FilterChain;
-import javax.servlet.FilterConfig;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
-import javax.servlet.http.HttpServletRequest;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
-import org.junit.Test;
-
-public class TestPathFilter extends HttpServerFunctionalTest {
-  static final Log LOG = LogFactory.getLog(HttpServer.class);
-  static final Set<String> RECORDS = new TreeSet<String>(); 
-
-  /** A very simple filter that records accessed uri's */
-  static public class RecordingFilter implements Filter {
-    private FilterConfig filterConfig = null;
-
-    public void init(FilterConfig filterConfig) {
-      this.filterConfig = filterConfig;
-    }
-
-    public void destroy() {
-      this.filterConfig = null;
-    }
-
-    public void doFilter(ServletRequest request, ServletResponse response,
-        FilterChain chain) throws IOException, ServletException {
-      if (filterConfig == null)
-         return;
-
-      String uri = ((HttpServletRequest)request).getRequestURI();
-      LOG.info("filtering " + uri);
-      RECORDS.add(uri);
-      chain.doFilter(request, response);
-    }
-
-    /** Configuration for RecordingFilter */
-    static public class Initializer extends FilterInitializer {
-      public Initializer() {}
-
-      public void initFilter(FilterContainer container, Configuration conf) {
-        container.addFilter("recording", RecordingFilter.class.getName(), null);
-      }
-    }
-  }
-  
-  
-  /** access a url, ignoring some IOException such as the page does not exist */
-  static void access(String urlstring) throws IOException {
-    LOG.warn("access " + urlstring);
-    URL url = new URL(urlstring);
-    
-    URLConnection connection = url.openConnection();
-    connection.connect();
-    
-    try {
-      BufferedReader in = new BufferedReader(new InputStreamReader(
-          connection.getInputStream()));
-      try {
-        for(; in.readLine() != null; );
-      } finally {
-        in.close();
-      }
-    } catch(IOException ioe) {
-      LOG.warn("urlstring=" + urlstring, ioe);
-    }
-  }
-
-  @Test
-  public void testPathSpecFilters() throws Exception {
-    Configuration conf = new Configuration();
-    
-    //start a http server with CountingFilter
-    conf.set(HttpServer.FILTER_INITIALIZER_PROPERTY,
-        RecordingFilter.Initializer.class.getName());
-    String[] pathSpecs = { "/path", "/path/*" };
-    HttpServer http = createTestServer(conf, pathSpecs);
-    http.start();
-
-    final String baseURL = "/path";
-    final String baseSlashURL = "/path/";
-    final String addedURL = "/path/nodes";
-    final String addedSlashURL = "/path/nodes/";
-    final String longURL = "/path/nodes/foo/job";
-    final String rootURL = "/";
-    final String allURL = "/*";
-
-    final String[] filteredUrls = {baseURL, baseSlashURL, addedURL, 
-        addedSlashURL, longURL};
-    final String[] notFilteredUrls = {rootURL, allURL};
-
-    // access the urls and verify our paths specs got added to the 
-    // filters
-    final String prefix = "http://localhost:" + http.getPort();
-    try {
-      for(int i = 0; i < filteredUrls.length; i++) {
-        access(prefix + filteredUrls[i]);
-      }
-      for(int i = 0; i < notFilteredUrls.length; i++) {
-        access(prefix + notFilteredUrls[i]);
-      }
-    } finally {
-      http.stop();
-    }
-
-    LOG.info("RECORDS = " + RECORDS);
-    
-    //verify records
-    for(int i = 0; i < filteredUrls.length; i++) {
-      assertTrue(RECORDS.remove(filteredUrls[i]));
-    }
-    assertTrue(RECORDS.isEmpty());
-  }
-}

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetUtils.java

@@ -18,17 +18,13 @@
 package org.apache.hadoop.net;
 
 import org.junit.Test;
-
 import static org.junit.Assert.*;
 
-import java.net.InetAddress;
-import java.net.NetworkInterface;
 import java.net.Socket;
 import java.net.ConnectException;
 import java.net.SocketException;
 import java.net.InetSocketAddress;
 import java.net.UnknownHostException;
-import java.util.Enumeration;
 
 import org.apache.hadoop.conf.Configuration;
 
@@ -92,32 +88,4 @@ public void testVerifyHostnamesNoException() {
       fail("NetUtils.verifyHostnames threw unexpected UnknownHostException");
     }
   }
-  
-  /** 
-   * Test for {@link NetUtils#isLocalAddress(java.net.InetAddress)}
-   */
-  @Test
-  public void testIsLocalAddress() throws Exception {
-    // Test - local host is local address
-    assertTrue(NetUtils.isLocalAddress(InetAddress.getLocalHost()));
-    
-    // Test - all addresses bound network interface is local address
-    Enumeration<NetworkInterface> interfaces = NetworkInterface
-        .getNetworkInterfaces();
-    if (interfaces != null) { // Iterate through all network interfaces
-      while (interfaces.hasMoreElements()) {
-        NetworkInterface i = interfaces.nextElement();
-        Enumeration<InetAddress> addrs = i.getInetAddresses();
-        if (addrs == null) {
-          continue;
-        }
-        // Iterate through all the addresses of a network interface
-        while (addrs.hasMoreElements()) {
-          InetAddress addr = addrs.nextElement();
-          assertTrue(NetUtils.isLocalAddress(addr));
-        }
-      }
-    }
-    assertFalse(NetUtils.isLocalAddress(InetAddress.getByName("8.8.8.8")));
-  }
 }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestAuthenticationFilter.java

@@ -25,28 +25,14 @@
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 
-import java.io.File;
-import java.io.FileWriter;
-import java.io.Writer;
 import java.util.Map;
 
 public class TestAuthenticationFilter extends TestCase {
 
   @SuppressWarnings("unchecked")
-  public void testConfiguration() throws Exception {
+  public void testConfiguration() {
     Configuration conf = new Configuration();
     conf.set("hadoop.http.authentication.foo", "bar");
-    
-    File testDir = new File(System.getProperty("test.build.data", 
-                                               "target/test-dir"));
-    testDir.mkdirs();
-    File secretFile = new File(testDir, "http-secret.txt");
-    Writer writer = new FileWriter(new File(testDir, "http-secret.txt"));
-    writer.write("hadoop");
-    writer.close();
-    conf.set(AuthenticationFilterInitializer.PREFIX + 
-             AuthenticationFilterInitializer.SIGNATURE_SECRET_FILE, 
-             secretFile.getAbsolutePath());
 
     FilterContainer container = Mockito.mock(FilterContainer.class);
     Mockito.doAnswer(

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -16,9 +16,6 @@ Trunk (unreleased changes)
     HDFS-2318. Provide authentication to webhdfs using SPNEGO and delegation
     tokens.  (szetszwo)
 
-    HDFS-2340. Support getFileBlockLocations and getDelegationToken in webhdfs.
-    (szetszwo)
-
   IMPROVEMENTS
 
     HADOOP-7524 Change RPC to allow multiple protocols including multuple versions of the same protocol (sanjay Radia)
@@ -38,18 +35,6 @@ Trunk (unreleased changes)
     not use ArrayWritable for writing non-array items.  (Uma Maheswara Rao G
     via szetszwo)
 
-    HDFS-2351 Change Namenode and Datanode to register each of their protocols
-    seperately. (Sanjay Radia)
-
-    HDFS-2356.  Support case insensitive query parameter names in webhdfs.
-    (szetszwo)
-
-    HDFS-2368.  Move SPNEGO conf properties from hdfs-default.xml to
-    hdfs-site.xml.  (szetszwo)
-
-    HDFS-2355. Federation: enable using the same configuration file across 
-    all the nodes in the cluster. (suresh)
-
   BUG FIXES
     HDFS-2287. TestParallelRead has a small off-by-one bug. (todd)
 
@@ -72,17 +57,6 @@ Trunk (unreleased changes)
     IOExceptions of stream closures can mask root exceptions.  (Uma Maheswara
     Rao G via szetszwo)
 
-    HDFS-46.   Change default namespace quota of root directory from
-    Integer.MAX_VALUE to Long.MAX_VALUE.  (Uma Maheswara Rao G via szetszwo)
-
-    HDFS-2366. Initialize WebHdfsFileSystem.ugi in object construction.
-    (szetszwo)
-
-    HDFS-2373. Commands using webhdfs and hftp print unnecessary debug 
-    info on the console with security enabled. (Arpit Gupta via suresh)
-
-    HDFS-2361. hftp is broken, fixed username checks in JspHelper. (jitendra)
-
 Release 0.23.0 - Unreleased
 
   INCOMPATIBLE CHANGES
@@ -765,12 +739,6 @@ Release 0.23.0 - Unreleased
     HDFS-1217.  Change some NameNode methods from public to package private.
     (Laxman via szetszwo)
 
-    HDFS-2332. Add test for HADOOP-7629 (using an immutable FsPermission
-    object as an RPC parameter fails). (todd)
-
-    HDFS-2363. Move datanodes size printing from FSNamesystem.metasave(..)
-    to BlockManager.  (Uma Maheswara Rao G via szetszwo)
-
   OPTIMIZATIONS
 
     HDFS-1458. Improve checkpoint performance by avoiding unnecessary image
@@ -1639,11 +1607,7 @@ Release 0.22.0 - Unreleased
     HDFS-2232. Generalize regular expressions in TestHDFSCLI.
     (Plamen Jeliazkov via shv)
 
-    HDFS-2290. Block with corrupt replica is not getting replicated.
-    (Benoy Antony via shv)
-
 Release 0.21.1 - Unreleased
-
     HDFS-1466. TestFcHdfsSymlink relies on /tmp/test not existing. (eli)
 
     HDFS-874. TestHDFSFileContextMainOperations fails on weirdly 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java

@@ -244,6 +244,9 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
   public static final String  DFS_DEFAULT_MAX_CORRUPT_FILES_RETURNED_KEY = "dfs.corruptfilesreturned.max";
   public static final int     DFS_DEFAULT_MAX_CORRUPT_FILES_RETURNED = 500;
 
+  // HA related configuration
+  public static final String DFS_HA_NAMENODE_IDS_KEY = "dfs.ha.namenode.ids";
+  public static final String DFS_HA_NAMENODE_IDS_DEFAULT = "";
 
   // property for fsimage compression
   public static final String DFS_IMAGE_COMPRESS_KEY = "dfs.image.compress";

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java

@@ -38,7 +38,6 @@
 import java.util.StringTokenizer;
 import java.util.concurrent.TimeUnit;
 
-import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.BlockLocation;
@@ -64,6 +63,7 @@
 
 @InterfaceAudience.Private
 public class DFSUtil {
+  private DFSUtil() { /* Hidden constructor */ }
   private static final ThreadLocal<Random> RANDOM = new ThreadLocal<Random>() {
     @Override
     protected Random initialValue() {
@@ -577,6 +577,17 @@ public static void setGenericConf(Configuration conf,
     }
   }
   
+  /**
+   * Returns the configured nameservice Id
+   * 
+   * @param conf
+   *          Configuration object to lookup the nameserviceId
+   * @return nameserviceId string from conf
+   */
+  public static String getNameServiceId(Configuration conf) {
+    return conf.get(DFS_FEDERATION_NAMESERVICE_ID);
+  }
+  
   /** Return used as percentage of capacity */
   public static float getPercentUsed(long used, long capacity) {
     return capacity <= 0 ? 100 : ((float)used * 100.0f)/(float)capacity; 
@@ -696,77 +707,4 @@ public static boolean isHAEnabled(Configuration conf) {
     // TODO:HA configuration changes pending
     return false;
   }
-  
-  /**
-   * Get name service Id for the {@link NameNode} based on namenode RPC address
-   * matching the local node address.
-   */
-  public static String getNamenodeNameServiceId(Configuration conf) {
-    return getNameServiceId(conf, DFS_NAMENODE_RPC_ADDRESS_KEY);
-  }
-  
-  /**
-   * Get name service Id for the BackupNode based on backup node RPC address
-   * matching the local node address.
-   */
-  public static String getBackupNameServiceId(Configuration conf) {
-    return getNameServiceId(conf, DFS_NAMENODE_BACKUP_ADDRESS_KEY);
-  }
-  
-  /**
-   * Get name service Id for the secondary node based on secondary http address
-   * matching the local node address.
-   */
-  public static String getSecondaryNameServiceId(Configuration conf) {
-    return getNameServiceId(conf, DFS_NAMENODE_SECONDARY_HTTP_ADDRESS_KEY);
-  }
-  
-  /**
-   * Get the nameservice Id by matching the {@code addressKey} with the
-   * the address of the local node. 
-   * 
-   * If {@link DFSConfigKeys#DFS_FEDERATION_NAMESERVICE_ID} is not specifically
-   * configured, this method determines the nameservice Id by matching the local
-   * nodes address with the configured addresses. When a match is found, it
-   * returns the nameservice Id from the corresponding configuration key.
-   * 
-   * @param conf Configuration
-   * @param addressKey configuration key to get the address.
-   * @return name service Id on success, null on failure.
-   * @throws HadoopIllegalArgumentException on error
-   */
-  private static String getNameServiceId(Configuration conf, String addressKey) {
-    String nameserviceId = conf.get(DFS_FEDERATION_NAMESERVICE_ID);
-    if (nameserviceId != null) {
-      return nameserviceId;
-    }
-    
-    Collection<String> ids = getNameServiceIds(conf);
-    if (ids == null || ids.size() == 0) {
-      // Not federation configuration, hence no nameservice Id
-      return null;
-    }
-    
-    // Match the rpc address with that of local address
-    int found = 0;
-    for (String id : ids) {
-      String addr = conf.get(getNameServiceIdKey(addressKey, id));
-      InetSocketAddress s = NetUtils.createSocketAddr(addr);
-      if (NetUtils.isLocalAddress(s.getAddress())) {
-        nameserviceId = id;
-        found++;
-      }
-    }
-    if (found > 1) { // Only one address must match the local address
-      throw new HadoopIllegalArgumentException(
-          "Configuration has multiple RPC addresses that matches "
-              + "the local node's address. Please configure the system with "
-              + "the parameter " + DFS_FEDERATION_NAMESERVICE_ID);
-    }
-    if (found == 0) {
-      throw new HadoopIllegalArgumentException("Configuration address "
-          + addressKey + " is missing in configuration with name service Id");
-    }
-    return nameserviceId;
-  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeInfo.java

@@ -115,26 +115,6 @@ protected DatanodeInfo(DatanodeID nodeID, String location, String hostName) {
     this.location = location;
     this.hostName = hostName;
   }
-
-  /** Constructor */
-  public DatanodeInfo(final String name, final String storageID,
-      final int infoPort, final int ipcPort,
-      final long capacity, final long dfsUsed, final long remaining,
-      final long blockPoolUsed, final long lastUpdate, final int xceiverCount,
-      final String networkLocation, final String hostName,
-      final AdminStates adminState) {
-    super(name, storageID, infoPort, ipcPort);
-
-    this.capacity = capacity;
-    this.dfsUsed = dfsUsed;
-    this.remaining = remaining;
-    this.blockPoolUsed = blockPoolUsed;
-    this.lastUpdate = lastUpdate;
-    this.xceiverCount = xceiverCount;
-    this.location = networkLocation;
-    this.hostName = hostName;
-    this.adminState = adminState;
-  }
   
   /** The raw capacity. */
   public long getCapacity() { return capacity; }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java

@@ -308,11 +308,6 @@ public void setBlockPlacementPolicy(BlockPlacementPolicy newpolicy) {
   /** Dump meta data to out. */
   public void metaSave(PrintWriter out) {
     assert namesystem.hasWriteLock();
-    final List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
-    final List<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>();
-    datanodeManager.fetchDatanodes(live, dead, false);
-    out.println("Live Datanodes: " + live.size());
-    out.println("Dead Datanodes: " + dead.size());
     //
     // Dump contents of neededReplication
     //
@@ -847,7 +842,7 @@ private void markBlockAsCorrupt(BlockInfo storedBlock,
 
     // Add this replica to corruptReplicas Map
     corruptReplicas.addToCorruptReplicasMap(storedBlock, node);
-    if (countNodes(storedBlock).liveReplicas() >= inode.getReplication()) {
+    if (countNodes(storedBlock).liveReplicas() > inode.getReplication()) {
       // the block is over-replicated so invalidate the replicas immediately
       invalidateBlock(storedBlock, node);
     } else if (namesystem.isPopulatingReplQueues()) {
@@ -872,7 +867,7 @@ private void invalidateBlock(Block blk, DatanodeInfo dn)
     // Check how many copies we have of the block. If we have at least one
     // copy on a live node, then we can delete it.
     int count = countNodes(blk).liveReplicas();
-    if (count >= 1) {
+    if (count > 1) {
       addToInvalidates(blk, dn);
       removeStoredBlock(blk, node);
       if(NameNode.stateChangeLog.isDebugEnabled()) {

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/JspHelper.java

@@ -54,13 +54,11 @@
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer;
-import org.apache.hadoop.hdfs.web.resources.DelegationParam;
 import org.apache.hadoop.hdfs.web.resources.UserParam;
 import org.apache.hadoop.http.HtmlQuoting;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.net.NetUtils;
 import org.apache.hadoop.security.AccessControlException;
-import org.apache.hadoop.security.authentication.util.KerberosName;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
 import org.apache.hadoop.security.token.Token;
@@ -70,7 +68,7 @@
 public class JspHelper {
   public static final String CURRENT_CONF = "current.conf";
   final static public String WEB_UGI_PROPERTY_NAME = DFSConfigKeys.DFS_WEB_UGI_KEY;
-  public static final String DELEGATION_PARAMETER_NAME = DelegationParam.NAME;
+  public static final String DELEGATION_PARAMETER_NAME = "delegation";
   public static final String NAMENODE_ADDRESS = "nnaddr";
   static final String SET_DELEGATION = "&" + DELEGATION_PARAMETER_NAME +
                                               "=";
@@ -553,8 +551,7 @@ public static UserGroupInformation getUGI(ServletContext context,
         DelegationTokenIdentifier id = new DelegationTokenIdentifier();
         id.readFields(in);
         ugi = id.getUser();
-        checkUsername(ugi.getShortUserName(), usernameFromQuery);
+        checkUsername(ugi.getUserName(), user);
-        checkUsername(ugi.getShortUserName(), user);
         ugi.addToken(token);
         ugi.setAuthenticationMethod(AuthenticationMethod.TOKEN);
       } else {
@@ -563,11 +560,13 @@ public static UserGroupInformation getUGI(ServletContext context,
                                 "authenticated by filter");
         }
         ugi = UserGroupInformation.createRemoteUser(user);
-        checkUsername(ugi.getShortUserName(), usernameFromQuery);
         // This is not necessarily true, could have been auth'ed by user-facing
         // filter
         ugi.setAuthenticationMethod(secureAuthMethod);
       }
+
+      checkUsername(user, usernameFromQuery);
+
     } else { // Security's not on, pull from url
       ugi = usernameFromQuery == null?
           getDefaultWebUser(conf) // not specified in request
@@ -580,18 +579,10 @@ public static UserGroupInformation getUGI(ServletContext context,
     return ugi;
   }
 
-  /**
-   * Expected user name should be a short name.
-   */
   private static void checkUsername(final String expected, final String name
       ) throws IOException {
-    if (name == null) {
+    if (name != null && !name.equals(expected)) {
-      return;
+      throw new IOException("Usernames not matched: name=" + name
-    }
-    KerberosName u = new KerberosName(name);
-    String shortName = u.getShortName();
-    if (!shortName.equals(expected)) {
-      throw new IOException("Usernames not matched: name=" + shortName
           + " != expected=" + expected);
     }
   }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java

@@ -425,7 +425,7 @@ void refreshNamenodes(Configuration conf)
   private List<ServicePlugin> plugins;
   
   // For InterDataNodeProtocol
-  public RPC.Server ipcServer;
+  public Server ipcServer;
 
   private SecureResources secureResources = null;
   private AbstractList<File> dataDirs;
@@ -575,15 +575,11 @@ private void startPlugins(Configuration conf) {
   private void initIpcServer(Configuration conf) throws IOException {
     InetSocketAddress ipcAddr = NetUtils.createSocketAddr(
         conf.get("dfs.datanode.ipc.address"));
-    
+    ipcServer = RPC.getServer(DataNode.class, this, ipcAddr.getHostName(),
-    // Add all the RPC protocols that the Datanode implements
-    ipcServer = RPC.getServer(ClientDatanodeProtocol.class, this, ipcAddr.getHostName(),
                               ipcAddr.getPort(), 
                               conf.getInt(DFS_DATANODE_HANDLER_COUNT_KEY, 
                                           DFS_DATANODE_HANDLER_COUNT_DEFAULT), 
                               false, conf, blockPoolTokenSecretManager);
-    ipcServer.addProtocol(InterDatanodeProtocol.class, this);
-    
     // set service-level authorization security policy
     if (conf.getBoolean(
         CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, false)) {

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java

@@ -50,7 +50,6 @@
 import org.apache.hadoop.hdfs.DFSClient.DFSDataInputStream;
 import org.apache.hadoop.hdfs.server.datanode.DataNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
-import org.apache.hadoop.hdfs.web.ParamFilter;
 import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.hdfs.web.resources.BlockSizeParam;
 import org.apache.hadoop.hdfs.web.resources.BufferSizeParam;
@@ -67,11 +66,8 @@
 import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.security.UserGroupInformation;
 
-import com.sun.jersey.spi.container.ResourceFilters;
-
 /** Web-hdfs DataNode implementation. */
 @Path("")
-@ResourceFilters(ParamFilter.class)
 public class DatanodeWebHdfsMethods {
   public static final Log LOG = LogFactory.getLog(DatanodeWebHdfsMethods.class);
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/BackupNode.java

@@ -25,7 +25,6 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.CommonConfigurationKeys;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
-import org.apache.hadoop.hdfs.DFSUtil;
 import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
@@ -81,13 +80,13 @@ public class BackupNode extends NameNode {
   // Common NameNode methods implementation for backup node.
   /////////////////////////////////////////////////////
   @Override // NameNode
-  protected InetSocketAddress getRpcServerAddress(Configuration conf) {
+  protected InetSocketAddress getRpcServerAddress(Configuration conf) throws IOException {
     String addr = conf.get(BN_ADDRESS_NAME_KEY, BN_ADDRESS_DEFAULT);
     return NetUtils.createSocketAddr(addr);
   }
   
   @Override
-  protected InetSocketAddress getServiceRpcServerAddress(Configuration conf) {
+  protected InetSocketAddress getServiceRpcServerAddress(Configuration conf) throws IOException {
     String addr = conf.get(BN_SERVICE_RPC_ADDRESS_KEY);
     if (addr == null || addr.isEmpty()) {
       return null;
@@ -135,6 +134,11 @@ protected void initialize(Configuration conf) throws IOException {
                  CommonConfigurationKeys.FS_TRASH_INTERVAL_DEFAULT);
     NamespaceInfo nsInfo = handshake(conf);
     super.initialize(conf);
+    // Backup node should never do lease recovery,
+    // therefore lease hard limit should never expire.
+    namesystem.leaseManager.setLeasePeriod(
+        HdfsConstants.LEASE_SOFTLIMIT_PERIOD, Long.MAX_VALUE);
+    
     clusterId = nsInfo.getClusterID();
     blockPoolId = nsInfo.getBlockPoolID();
 
@@ -368,9 +372,4 @@ protected void checkOperation(OperationCategory op)
       throw new UnsupportedActionException(msg);
     }
   }
-  
-  @Override
-  protected String getNameServiceId(Configuration conf) {
-    return DFSUtil.getBackupNameServiceId(conf);
-  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java

@@ -120,7 +120,7 @@ boolean hasReadLock() {
     this.cond = dirLock.writeLock().newCondition();
     rootDir = new INodeDirectoryWithQuota(INodeDirectory.ROOT_NAME,
         ns.createFsOwnerPermissions(new FsPermission((short)0755)),
-        Long.MAX_VALUE, UNKNOWN_DISK_SPACE);
+        Integer.MAX_VALUE, UNKNOWN_DISK_SPACE);
     this.fsImage = fsImage;
     int configuredLimit = conf.getInt(
         DFSConfigKeys.DFS_LIST_LIMIT, DFSConfigKeys.DFS_LIST_LIMIT_DEFAULT);

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

@@ -130,6 +130,7 @@
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.delegation.DelegationKey;
 import org.apache.hadoop.util.Daemon;
+import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.util.VersionInfo;
 import org.mortbay.util.ajax.JSON;
 
@@ -346,30 +347,28 @@ void loadFSImage(StartupOption startOpt, FSImage fsImage)
     dir.imageLoadComplete();
   }
 
-  void startSecrectManager() throws IOException {
+  void activateSecretManager() throws IOException {
     if (dtSecretManager != null) {
       dtSecretManager.startThreads();
     }
   }
   
-  void stopSecretManager() {
+  /**
-    if (dtSecretManager != null) {
+   * Activate FSNamesystem daemons.
-      dtSecretManager.stopThreads();
-    }
-  }
-  
-  /** 
-   * Start services common to both active and standby states
-   * @throws IOException
    */
-  void startCommonServices(Configuration conf) throws IOException {
+  void activate(Configuration conf) throws IOException {
     this.registerMBean(); // register the MBean for the FSNamesystemState
+
     writeLock();
     try {
       nnResourceChecker = new NameNodeResourceChecker(conf);
       checkAvailableResources();
+
       setBlockTotal();
       blockManager.activate(conf);
+
+      this.lmthread = new Daemon(leaseManager.new Monitor());
+      lmthread.start();
       this.nnrmthread = new Daemon(new NameNodeResourceMonitor());
       nnrmthread.start();
     } finally {
@@ -379,70 +378,7 @@ void startCommonServices(Configuration conf) throws IOException {
     registerMXBean();
     DefaultMetricsSystem.instance().register(this);
   }
-  
-  /** 
-   * Stop services common to both active and standby states
-   * @throws IOException
-   */
-  void stopCommonServices() {
-    writeLock();
-    try {
-      if (blockManager != null) blockManager.close();
-      if (nnrmthread != null) nnrmthread.interrupt();
-    } finally {
-      writeUnlock();
-    }
-  }
-  
-  /**
-   * Start services required in active state
-   * @throws IOException
-   */
-  void startActiveServices() throws IOException {
-    LOG.info("Starting services required for active state");
-    writeLock();
-    try {
-      startSecrectManager();
-      lmthread = new Daemon(leaseManager.new Monitor());
-      lmthread.start();
-    } finally {
-      writeUnlock();
-    }
-  }
-  
-  /** 
-   * Start services required in active state 
-   * @throws InterruptedException
-   */
-  void stopActiveServices() {
-    LOG.info("Stopping services started for active state");
-    writeLock();
-    try {
-      stopSecretManager();
-      if (lmthread != null) {
-        try {
-          lmthread.interrupt();
-          lmthread.join(3000);
-        } catch (InterruptedException ie) {
-          LOG.warn("Encountered exception ", ie);
-        }
-        lmthread = null;
-      }
-    } finally {
-      writeUnlock();
-    }
-  }
-  
-  /** Start services required in standby state */
-  void startStandbyServices() {
-    LOG.info("Starting services required for standby state");
-  }
 
-  /** Stop services required in standby state */
-  void stopStandbyServices() {
-    LOG.info("Stopping services started for standby state");
-  }
-  
   public static Collection<URI> getNamespaceDirs(Configuration conf) {
     return getStorageDirs(conf, DFS_NAMENODE_NAME_DIR_KEY);
   }
@@ -566,7 +502,7 @@ NamespaceInfo getNamespaceInfo() {
   }
 
   /**
-   * Version of @see #getNamespaceInfo() that is not protected by a lock.
+   * Version of {@see #getNamespaceInfo()} that is not protected by a lock.
    */
   NamespaceInfo unprotectedGetNamespaceInfo() {
     return new NamespaceInfo(dir.fsImage.getStorage().getNamespaceID(),
@@ -583,16 +519,23 @@ NamespaceInfo unprotectedGetNamespaceInfo() {
   void close() {
     fsRunning = false;
     try {
-      stopCommonServices();
+      if (blockManager != null) blockManager.close();
       if (smmthread != null) smmthread.interrupt();
+      if (dtSecretManager != null) dtSecretManager.stopThreads();
+      if (nnrmthread != null) nnrmthread.interrupt();
+    } catch (Exception e) {
+      LOG.warn("Exception shutting down FSNamesystem", e);
     } finally {
       // using finally to ensure we also wait for lease daemon
       try {
-        stopActiveServices();
+        if (lmthread != null) {
-        stopStandbyServices();
+          lmthread.interrupt();
+          lmthread.join(3000);
+        }
         if (dir != null) {
           dir.close();
         }
+      } catch (InterruptedException ie) {
       } catch (IOException ie) {
         LOG.error("Error closing FSDirectory", ie);
         IOUtils.cleanup(LOG, dir);
@@ -621,6 +564,11 @@ void metaSave(String filename) throws IOException {
       out.println(totalInodes + " files and directories, " + totalBlocks
           + " blocks = " + (totalInodes + totalBlocks) + " total");
 
+      final List<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>();
+      final List<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>();
+      blockManager.getDatanodeManager().fetchDatanodes(live, dead, false);
+      out.println("Live Datanodes: "+live.size());
+      out.println("Dead Datanodes: "+dead.size());
       blockManager.metaSave(out);
 
       out.flush();
@@ -1443,7 +1391,7 @@ LocatedBlock appendFile(String src, String holder, String clientMachine)
     try {
       lb = startFileInternal(src, null, holder, clientMachine, 
                         EnumSet.of(CreateFlag.APPEND), 
-                        false, blockManager.maxReplication, 0);
+                        false, blockManager.maxReplication, (long)0);
     } finally {
       writeUnlock();
     }
@@ -1526,7 +1474,7 @@ LocatedBlock getAdditionalBlock(String src,
       fileLength = pendingFile.computeContentSummary().getLength();
       blockSize = pendingFile.getPreferredBlockSize();
       clientNode = pendingFile.getClientNode();
-      replication = pendingFile.getReplication();
+      replication = (int)pendingFile.getReplication();
     } finally {
       writeUnlock();
     }
@@ -2321,7 +2269,7 @@ private Lease reassignLease(Lease lease, String src, String newHolder,
   }
   
   Lease reassignLeaseInternal(Lease lease, String src, String newHolder,
-      INodeFileUnderConstruction pendingFile) {
+      INodeFileUnderConstruction pendingFile) throws IOException {
     assert hasWriteLock();
     pendingFile.setClientName(newHolder);
     return leaseManager.reassignLease(lease, src, newHolder);
@@ -2926,9 +2874,13 @@ private SafeModeInfo(boolean resourcesLow) {
      * @return true if in safe mode
      */
     private synchronized boolean isOn() {
-      assert isConsistent() : " SafeMode: Inconsistent filesystem state: "
+      try {
-        + "Total num of blocks, active blocks, or "
+        assert isConsistent() : " SafeMode: Inconsistent filesystem state: "
-        + "total safe blocks don't match.";
+          + "Total num of blocks, active blocks, or "
+          + "total safe blocks don't match.";
+      } catch(IOException e) {
+        System.err.print(StringUtils.stringifyException(e));
+      }
       return this.reached >= 0;
     }
       
@@ -3082,7 +3034,7 @@ private synchronized void setBlockTotal(int total) {
       this.blockTotal = total;
       this.blockThreshold = (int) (blockTotal * threshold);
       this.blockReplQueueThreshold = 
-        (int) (blockTotal * replQueueThreshold);
+        (int) (((double) blockTotal) * replQueueThreshold);
       checkMode();
     }
       
@@ -3092,7 +3044,7 @@ private synchronized void setBlockTotal(int total) {
      * @param replication current replication 
      */
     private synchronized void incrementSafeBlockCount(short replication) {
-      if (replication == safeReplication)
+      if ((int)replication == safeReplication)
         this.blockSafe++;
       checkMode();
     }
@@ -3225,7 +3177,7 @@ public String toString() {
      * Checks consistency of the class state.
      * This is costly and currently called only in assert.
      */
-    private boolean isConsistent() {
+    private boolean isConsistent() throws IOException {
       if (blockTotal == -1 && blockSafe == -1) {
         return true; // manual safe mode
       }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java

@@ -27,7 +27,6 @@
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.ha.HealthCheckFailedException;
@@ -38,13 +37,15 @@
 import org.apache.hadoop.fs.Trash;
 import static org.apache.hadoop.hdfs.DFSConfigKeys.*;
 import org.apache.hadoop.hdfs.DFSUtil;
+import org.apache.hadoop.hdfs.HDFSPolicyProvider;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.protocol.ClientProtocol;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
+import org.apache.hadoop.hdfs.protocol.UnregisteredNodeException;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
+import org.apache.hadoop.hdfs.server.common.IncorrectVersionException;
 import org.apache.hadoop.hdfs.server.namenode.ha.ActiveState;
-import org.apache.hadoop.hdfs.server.namenode.ha.HAContext;
 import org.apache.hadoop.hdfs.server.namenode.ha.HAState;
 import org.apache.hadoop.hdfs.server.namenode.ha.StandbyState;
 import org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics;
@@ -53,6 +54,9 @@
 import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
 import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration;
+import org.apache.hadoop.hdfs.server.protocol.NodeRegistration;
+import org.apache.hadoop.ipc.RPC;
+import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
 import org.apache.hadoop.net.NetUtils;
 import org.apache.hadoop.security.RefreshUserMappingsProtocol;
@@ -167,18 +171,19 @@ public long getProtocolVersion(String protocol,
     }
   }
     
+
+
   public static final int DEFAULT_PORT = 8020;
+
   public static final Log LOG = LogFactory.getLog(NameNode.class.getName());
   public static final Log stateChangeLog = LogFactory.getLog("org.apache.hadoop.hdfs.StateChange");
   public static final HAState ACTIVE_STATE = new ActiveState();
   public static final HAState STANDBY_STATE = new StandbyState();
   
   protected FSNamesystem namesystem; 
-  protected final Configuration conf;
   protected NamenodeRole role;
   private HAState state;
   private final boolean haEnabled;
-  private final HAContext haContext;
 
   
   /** httpServer */
@@ -307,11 +312,12 @@ boolean isRole(NamenodeRole that) {
    * Given a configuration get the address of the service rpc server
    * If the service rpc is not configured returns null
    */
-  protected InetSocketAddress getServiceRpcServerAddress(Configuration conf) {
+  protected InetSocketAddress getServiceRpcServerAddress(Configuration conf)
+    throws IOException {
     return NameNode.getServiceAddress(conf, false);
   }
 
-  protected InetSocketAddress getRpcServerAddress(Configuration conf) {
+  protected InetSocketAddress getRpcServerAddress(Configuration conf) throws IOException {
     return getAddress(conf);
   }
   
@@ -374,6 +380,7 @@ void loginAsNameNodeUser(Configuration conf) throws IOException {
    * @param conf the configuration
    */
   protected void initialize(Configuration conf) throws IOException {
+    initializeGenericKeys(conf);
     UserGroupInformation.setConfiguration(conf);
     loginAsNameNodeUser(conf);
 
@@ -389,7 +396,7 @@ protected void initialize(Configuration conf) throws IOException {
       throw e;
     }
 
-    startCommonServices(conf);
+    activate(conf);
   }
   
   /**
@@ -423,10 +430,19 @@ protected void validateConfigurationSettings(final Configuration conf)
     } 
   }
 
-  /** Start the services common to active and standby states */
+  /**
-  private void startCommonServices(Configuration conf) throws IOException {
+   * Activate name-node servers and threads.
-    namesystem.startCommonServices(conf);
+   */
+  void activate(Configuration conf) throws IOException {
+    if ((isRole(NamenodeRole.NAMENODE))
+        && (UserGroupInformation.isSecurityEnabled())) {
+      namesystem.activateSecretManager();
+    }
+    namesystem.activate(conf);
+    startHttpServer(conf);
     rpcServer.start();
+    startTrashEmptier(conf);
+    
     plugins = conf.getInstances(DFS_NAMENODE_PLUGINS_KEY,
         ServicePlugin.class);
     for (ServicePlugin p: plugins) {
@@ -436,29 +452,13 @@ private void startCommonServices(Configuration conf) throws IOException {
         LOG.warn("ServicePlugin " + p + " could not be started", t);
       }
     }
+    
     LOG.info(getRole() + " up at: " + rpcServer.getRpcAddress());
     if (rpcServer.getServiceRpcAddress() != null) {
-      LOG.info(getRole() + " service server is up at: "
+      LOG.info(getRole() + " service server is up at: " + rpcServer.getServiceRpcAddress()); 
-          + rpcServer.getServiceRpcAddress());
     }
-    startHttpServer(conf);
   }
-  
+
-  private void stopCommonServices() {
-    if(namesystem != null) namesystem.close();
-    if(rpcServer != null) rpcServer.stop();
-    if (plugins != null) {
-      for (ServicePlugin p : plugins) {
-        try {
-          p.stop();
-        } catch (Throwable t) {
-          LOG.warn("ServicePlugin " + p + " could not be stopped", t);
-        }
-      }
-    }   
-    stopHttpServer();
-  }
-  
   private void startTrashEmptier(Configuration conf) throws IOException {
     long trashInterval 
       = conf.getLong(CommonConfigurationKeys.FS_TRASH_INTERVAL_KEY, 
@@ -470,26 +470,11 @@ private void startTrashEmptier(Configuration conf) throws IOException {
     this.emptier.start();
   }
   
-  private void stopTrashEmptier() {
-    if (this.emptier != null) {
-      emptier.interrupt();
-      emptier = null;
-    }
-  }
-  
   private void startHttpServer(final Configuration conf) throws IOException {
     httpServer = new NameNodeHttpServer(conf, this, getHttpServerAddress(conf));
     httpServer.start();
     setHttpServerAddress(conf);
   }
-  
-  private void stopHttpServer() {
-    try {
-      if (httpServer != null) httpServer.stop();
-    } catch (Exception e) {
-      LOG.error("Exception while stopping httpserver", e);
-    }
-  }
 
   /**
    * Start NameNode.
@@ -516,36 +501,22 @@ private void stopHttpServer() {
    * <code>zero</code> in the conf.
    * 
    * @param conf  confirguration
-   * @throws IOException on error
+   * @throws IOException
    */
   public NameNode(Configuration conf) throws IOException {
     this(conf, NamenodeRole.NAMENODE);
   }
 
   protected NameNode(Configuration conf, NamenodeRole role) 
-      throws IOException {
+      throws IOException { 
-    this.conf = conf;
     this.role = role;
     this.haEnabled = DFSUtil.isHAEnabled(conf);
-    this.haContext = new NameNodeHAContext();
+    this.state = !haEnabled ? ACTIVE_STATE : STANDBY_STATE;
     try {
-      initializeGenericKeys(conf, getNameServiceId(conf));
       initialize(conf);
-      if (!haEnabled) {
-        state = ACTIVE_STATE;
-      } else {
-        state = STANDBY_STATE;;
-      }
-      state.enterState(haContext);
     } catch (IOException e) {
       this.stop();
       throw e;
-    } catch (ServiceFailedException e) {
-      this.stop();
-      throw new IOException("Service failed to start", e);
-    } catch (HadoopIllegalArgumentException e) {
-      this.stop();
-      throw e;
     }
   }
 
@@ -557,7 +528,6 @@ public void join() {
     try {
       this.rpcServer.join();
     } catch (InterruptedException ie) {
-      LOG.info("Caught interrupted exception " + ie);
     }
   }
 
@@ -570,12 +540,23 @@ public void stop() {
         return;
       stopRequested = true;
     }
-    try {
+    if (plugins != null) {
-      state.exitState(haContext);
+      for (ServicePlugin p : plugins) {
-    } catch (ServiceFailedException e) {
+        try {
-      LOG.info("Encountered exception while exiting state " + e);
+          p.stop();
+        } catch (Throwable t) {
+          LOG.warn("ServicePlugin " + p + " could not be stopped", t);
+        }
+      }
     }
-    stopCommonServices();
+    try {
+      if (httpServer != null) httpServer.stop();
+    } catch (Exception e) {
+      LOG.error("Exception while stopping httpserver", e);
+    }
+    if(namesystem != null) namesystem.close();
+    if(emptier != null) emptier.interrupt();
+    if(rpcServer != null) rpcServer.stop();
     if (metrics != null) {
       metrics.shutdown();
     }
@@ -840,16 +821,16 @@ public static NameNode createNameNode(String argv[], Configuration conf)
    * @param conf
    *          Configuration object to lookup specific key and to set the value
    *          to the key passed. Note the conf object is modified
-   * @param nameserviceId name service Id
    * @see DFSUtil#setGenericConf(Configuration, String, String...)
    */
-  public static void initializeGenericKeys(Configuration conf, String
+  public static void initializeGenericKeys(Configuration conf) {
-      nameserviceId) {
+    final String nameserviceId = DFSUtil.getNameServiceId(conf);
     if ((nameserviceId == null) || nameserviceId.isEmpty()) {
       return;
     }
     
     DFSUtil.setGenericConf(conf, nameserviceId, NAMESERVICE_SPECIFIC_KEYS);
+    
     if (conf.get(DFS_NAMENODE_RPC_ADDRESS_KEY) != null) {
       URI defaultUri = URI.create(HdfsConstants.HDFS_URI_SCHEME + "://"
           + conf.get(DFS_NAMENODE_RPC_ADDRESS_KEY));
@@ -857,14 +838,6 @@ public static void initializeGenericKeys(Configuration conf, String
     }
   }
     
-  /** 
-   * Get the name service Id for the node
-   * @return name service Id or null if federation is not configured
-   */
-  protected String getNameServiceId(Configuration conf) {
-    return DFSUtil.getNamenodeNameServiceId(conf);
-  }
-  
   /**
    */
   public static void main(String argv[]) throws Exception {
@@ -891,56 +864,27 @@ synchronized void transitionToActive() throws ServiceFailedException {
     if (!haEnabled) {
       throw new ServiceFailedException("HA for namenode is not enabled");
     }
-    state.setState(haContext, ACTIVE_STATE);
+    state.setState(this, ACTIVE_STATE);
   }
   
   synchronized void transitionToStandby() throws ServiceFailedException {
     if (!haEnabled) {
       throw new ServiceFailedException("HA for namenode is not enabled");
     }
-    state.setState(haContext, STANDBY_STATE);
+    state.setState(this, STANDBY_STATE);
   }
   
   /** Check if an operation of given category is allowed */
   protected synchronized void checkOperation(final OperationCategory op)
       throws UnsupportedActionException {
-    state.checkOperation(haContext, op);
+    state.checkOperation(this, op);
   }
   
-  /**
+  public synchronized HAState getState() {
-   * Class used as expose {@link NameNode} as context to {@link HAState}
+    return state;
-   */
+  }
-  private class NameNodeHAContext implements HAContext {
+  
-    @Override
+  public synchronized void setState(final HAState s) {
-    public void setState(HAState s) {
+    state = s;
-      state = s;
-    }
-
-    @Override
-    public HAState getState() {
-      return state;
-    }
-
-    @Override
-    public void startActiveServices() throws IOException {
-      namesystem.startActiveServices();
-      startTrashEmptier(conf);
-    }
-
-    @Override
-    public void stopActiveServices() throws IOException {
-      namesystem.stopActiveServices();
-      stopTrashEmptier();
-    }
-
-    @Override
-    public void startStandbyServices() throws IOException {
-      // TODO:HA Start reading editlog from active
-    }
-
-    @Override
-    public void stopStandbyServices() throws IOException {
-      // TODO:HA Stop reading editlog from active
-    }
   }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java

@@ -66,7 +66,6 @@
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NamenodeRole;
 import org.apache.hadoop.hdfs.server.namenode.NameNode.OperationCategory;
 import org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics;
-import org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods;
 import org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeCommand;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
@@ -146,17 +145,10 @@ public NameNodeRpcServer(Configuration conf, NameNode nn)
       serviceRpcServer = null;
       serviceRPCAddress = null;
     }
-    // Add all the RPC protocols that the namenode implements
+    this.server = RPC.getServer(NamenodeProtocols.class, this,
-    this.server = RPC.getServer(ClientProtocol.class, this,
                                 socAddr.getHostName(), socAddr.getPort(),
                                 handlerCount, false, conf, 
                                 namesystem.getDelegationTokenSecretManager());
-    this.server.addProtocol(DatanodeProtocol.class, this);
-    this.server.addProtocol(NamenodeProtocol.class, this);
-    this.server.addProtocol(RefreshAuthorizationPolicyProtocol.class, this);
-    this.server.addProtocol(RefreshUserMappingsProtocol.class, this);
-    this.server.addProtocol(GetUserMappingsProtocol.class, this);
-    
 
     // set service-level authorization security policy
     if (serviceAuthEnabled =
@@ -979,11 +971,8 @@ void verifyVersion(int version) throws IOException {
   }
 
   private static String getClientMachine() {
-    String clientMachine = NamenodeWebHdfsMethods.getRemoteAddress();
+    String clientMachine = Server.getRemoteAddress();
-    if (clientMachine == null) { //not a web client
+    if (clientMachine == null) {
-      clientMachine = Server.getRemoteAddress();
-    }
-    if (clientMachine == null) { //not a RPC client
       clientMachine = "";
     }
     return clientMachine;

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java

@@ -38,12 +38,10 @@
 import org.apache.commons.cli.PosixParser;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import static org.apache.hadoop.hdfs.DFSConfigKeys.*;
-
 import org.apache.hadoop.hdfs.DFSUtil;
 import org.apache.hadoop.hdfs.DFSUtil.ErrorSimulator;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
@@ -175,17 +173,12 @@ public SecondaryNameNode(Configuration conf)  throws IOException {
   public SecondaryNameNode(Configuration conf,
       CommandLineOpts commandLineOpts) throws IOException {
     try {
-      NameNode.initializeGenericKeys(conf,
+      NameNode.initializeGenericKeys(conf);
-          DFSUtil.getSecondaryNameServiceId(conf));
       initialize(conf, commandLineOpts);
     } catch(IOException e) {
       shutdown();
       LOG.fatal("Failed to start secondary namenode. ", e);
       throw e;
-    } catch(HadoopIllegalArgumentException e) {
-      shutdown();
-      LOG.fatal("Failed to start secondary namenode. ", e);
-      throw e;
     }
   }
   

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/ActiveState.java

@@ -17,8 +17,6 @@
  */
 package org.apache.hadoop.hdfs.server.namenode.ha;
 
-import java.io.IOException;
-
 import org.apache.hadoop.ha.ServiceFailedException;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNode.OperationCategory;
@@ -35,35 +33,27 @@ public ActiveState() {
   }
 
   @Override
-  public void checkOperation(HAContext context, OperationCategory op)
+  public void checkOperation(NameNode nn, OperationCategory op)
       throws UnsupportedActionException {
     return; // Other than journal all operations are allowed in active state
   }
   
   @Override
-  public void setState(HAContext context, HAState s) throws ServiceFailedException {
+  public void setState(NameNode nn, HAState s) throws ServiceFailedException {
     if (s == NameNode.STANDBY_STATE) {
-      setStateInternal(context, s);
+      setStateInternal(nn, s);
       return;
     }
-    super.setState(context, s);
+    super.setState(nn, s);
   }
 
   @Override
-  public void enterState(HAContext context) throws ServiceFailedException {
+  protected void enterState(NameNode nn) throws ServiceFailedException {
-    try {
+    // TODO:HA
-      context.startActiveServices();
-    } catch (IOException e) {
-      throw new ServiceFailedException("Failed to start active services", e);
-    }
   }
 
   @Override
-  public void exitState(HAContext context) throws ServiceFailedException {
+  protected void exitState(NameNode nn) throws ServiceFailedException {
-    try {
+    // TODO:HA
-      context.stopActiveServices();
-    } catch (IOException e) {
-      throw new ServiceFailedException("Failed to stop active services", e);
-    }
   }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/HAState.java

@@ -19,6 +19,7 @@
 
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.ha.ServiceFailedException;
+import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNode.OperationCategory;
 import org.apache.hadoop.hdfs.server.namenode.UnsupportedActionException;
 
@@ -43,38 +44,38 @@ public HAState(String name) {
    * @param s new state
    * @throws ServiceFailedException on failure to transition to new state.
    */
-  protected final void setStateInternal(final HAContext context, final HAState s)
+  protected final void setStateInternal(final NameNode nn, final HAState s)
       throws ServiceFailedException {
-    exitState(context);
+    exitState(nn);
-    context.setState(s);
+    nn.setState(s);
-    s.enterState(context);
+    s.enterState(nn);
   }
 
   /**
    * Method to be overridden by subclasses to perform steps necessary for
    * entering a state.
-   * @param context HA context
+   * @param nn Namenode
    * @throws ServiceFailedException on failure to enter the state.
    */
-  public abstract void enterState(final HAContext context)
+  protected abstract void enterState(final NameNode nn)
       throws ServiceFailedException;
 
   /**
    * Method to be overridden by subclasses to perform steps necessary for
    * exiting a state.
-   * @param context HA context
+   * @param nn Namenode
    * @throws ServiceFailedException on failure to enter the state.
    */
-  public abstract void exitState(final HAContext context)
+  protected abstract void exitState(final NameNode nn)
       throws ServiceFailedException;
 
   /**
    * Move from the existing state to a new state
-   * @param context HA context
+   * @param nn Namenode
    * @param s new state
    * @throws ServiceFailedException on failure to transition to new state.
    */
-  public void setState(HAContext context, HAState s) throws ServiceFailedException {
+  public void setState(NameNode nn, HAState s) throws ServiceFailedException {
     if (this == s) { // Aleady in the new state
       return;
     }
@@ -84,15 +85,15 @@ public void setState(HAContext context, HAState s) throws ServiceFailedException
   
   /**
    * Check if an operation is supported in a given state.
-   * @param context HA context
+   * @param nn Namenode
    * @param op Type of the operation.
    * @throws UnsupportedActionException if a given type of operation is not
    *           supported in this state.
    */
-  public void checkOperation(final HAContext context, final OperationCategory op)
+  public void checkOperation(final NameNode nn, final OperationCategory op)
       throws UnsupportedActionException {
     String msg = "Operation category " + op + " is not supported in state "
-        + context.getState();
+        + nn.getState();
     throw new UnsupportedActionException(msg);
   }
   

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/StandbyState.java

@@ -17,8 +17,6 @@
  */
 package org.apache.hadoop.hdfs.server.namenode.ha;
 
-import java.io.IOException;
-
 import org.apache.hadoop.ha.ServiceFailedException;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 
@@ -39,30 +37,22 @@ public StandbyState() {
   }
 
   @Override
-  public void setState(HAContext context, HAState s) throws ServiceFailedException {
+  public void setState(NameNode nn, HAState s) throws ServiceFailedException {
     if (s == NameNode.ACTIVE_STATE) {
-      setStateInternal(context, s);
+      setStateInternal(nn, s);
       return;
     }
-    super.setState(context, s);
+    super.setState(nn, s);
   }
 
   @Override
-  public void enterState(HAContext context) throws ServiceFailedException {
+  protected void enterState(NameNode nn) throws ServiceFailedException {
-    try {
+    // TODO:HA
-      context.startStandbyServices();
-    } catch (IOException e) {
-      throw new ServiceFailedException("Failed to start standby services", e);
-    }
   }
 
   @Override
-  public void exitState(HAContext context) throws ServiceFailedException {
+  protected void exitState(NameNode nn) throws ServiceFailedException {
-    try {
+    // TODO:HA
-      context.stopStandbyServices();
-    } catch (IOException e) {
-      throw new ServiceFailedException("Failed to stop standby services", e);
-    }
   }
 }
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java

@@ -57,7 +57,6 @@
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.web.JsonUtil;
-import org.apache.hadoop.hdfs.web.ParamFilter;
 import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.hdfs.web.resources.AccessTimeParam;
 import org.apache.hadoop.hdfs.web.resources.BlockSizeParam;
@@ -79,7 +78,6 @@
 import org.apache.hadoop.hdfs.web.resources.PutOpParam;
 import org.apache.hadoop.hdfs.web.resources.RecursiveParam;
 import org.apache.hadoop.hdfs.web.resources.RenameOptionSetParam;
-import org.apache.hadoop.hdfs.web.resources.RenewerParam;
 import org.apache.hadoop.hdfs.web.resources.ReplicationParam;
 import org.apache.hadoop.hdfs.web.resources.UriFsPathParam;
 import org.apache.hadoop.hdfs.web.resources.UserParam;
@@ -91,20 +89,10 @@
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
 
-import com.sun.jersey.spi.container.ResourceFilters;
-
 /** Web-hdfs NameNode implementation. */
 @Path("")
-@ResourceFilters(ParamFilter.class)
 public class NamenodeWebHdfsMethods {
-  public static final Log LOG = LogFactory.getLog(NamenodeWebHdfsMethods.class);
+  private static final Log LOG = LogFactory.getLog(NamenodeWebHdfsMethods.class);
-
-  private static final ThreadLocal<String> REMOTE_ADDRESS = new ThreadLocal<String>(); 
-
-  /** @return the remote client address. */
-  public static String getRemoteAddress() {
-    return REMOTE_ADDRESS.get();
-  }
 
   private @Context ServletContext context;
   private @Context HttpServletRequest request;
@@ -227,8 +215,6 @@ public Response put(
     return ugi.doAs(new PrivilegedExceptionAction<Response>() {
       @Override
       public Response run() throws IOException, URISyntaxException {
-        REMOTE_ADDRESS.set(request.getRemoteAddr());
-        try {
 
     final String fullpath = path.getAbsolutePath();
     final NameNode namenode = (NameNode)context.getAttribute("name.node");
@@ -286,10 +272,6 @@ public Response run() throws IOException, URISyntaxException {
     default:
       throw new UnsupportedOperationException(op + " is not supported");
     }
-
-        } finally {
-          REMOTE_ADDRESS.set(null);
-        }
       }
     });
   }
@@ -319,8 +301,6 @@ public Response post(
     return ugi.doAs(new PrivilegedExceptionAction<Response>() {
       @Override
       public Response run() throws IOException, URISyntaxException {
-        REMOTE_ADDRESS.set(request.getRemoteAddr());
-        try {
 
     final String fullpath = path.getAbsolutePath();
     final NameNode namenode = (NameNode)context.getAttribute("name.node");
@@ -335,10 +315,6 @@ public Response run() throws IOException, URISyntaxException {
     default:
       throw new UnsupportedOperationException(op + " is not supported");
     }
-
-        } finally {
-          REMOTE_ADDRESS.set(null);
-        }
       }
     });
   }
@@ -359,12 +335,10 @@ public Response root(
           final OffsetParam offset,
       @QueryParam(LengthParam.NAME) @DefaultValue(LengthParam.DEFAULT)
           final LengthParam length,
-      @QueryParam(RenewerParam.NAME) @DefaultValue(RenewerParam.DEFAULT)
-          final RenewerParam renewer,
       @QueryParam(BufferSizeParam.NAME) @DefaultValue(BufferSizeParam.DEFAULT)
           final BufferSizeParam bufferSize
       ) throws IOException, URISyntaxException, InterruptedException {
-    return get(ugi, delegation, ROOT, op, offset, length, renewer, bufferSize);
+    return get(ugi, delegation, ROOT, op, offset, length, bufferSize);
   }
 
   /** Handle HTTP GET request. */
@@ -382,23 +356,19 @@ public Response get(
           final OffsetParam offset,
       @QueryParam(LengthParam.NAME) @DefaultValue(LengthParam.DEFAULT)
           final LengthParam length,
-      @QueryParam(RenewerParam.NAME) @DefaultValue(RenewerParam.DEFAULT)
-          final RenewerParam renewer,
       @QueryParam(BufferSizeParam.NAME) @DefaultValue(BufferSizeParam.DEFAULT)
           final BufferSizeParam bufferSize
       ) throws IOException, URISyntaxException, InterruptedException {
 
     if (LOG.isTraceEnabled()) {
       LOG.trace(op + ": " + path + ", ugi=" + ugi
-          + Param.toSortedString(", ", offset, length, renewer, bufferSize));
+          + Param.toSortedString(", ", offset, length, bufferSize));
     }
 
 
     return ugi.doAs(new PrivilegedExceptionAction<Response>() {
       @Override
       public Response run() throws IOException, URISyntaxException {
-        REMOTE_ADDRESS.set(request.getRemoteAddr());
-        try {
 
     final NameNode namenode = (NameNode)context.getAttribute("name.node");
     final String fullpath = path.getAbsolutePath();
@@ -411,15 +381,6 @@ public Response run() throws IOException, URISyntaxException {
           op.getValue(), offset.getValue(), offset, length, bufferSize);
       return Response.temporaryRedirect(uri).build();
     }
-    case GETFILEBLOCKLOCATIONS:
-    {
-      final long offsetValue = offset.getValue();
-      final Long lengthValue = length.getValue();
-      final LocatedBlocks locatedblocks = np.getBlockLocations(fullpath,
-          offsetValue, lengthValue != null? lengthValue: offsetValue + 1);
-      final String js = JsonUtil.toJsonString(locatedblocks);
-      return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
-    }
     case GETFILESTATUS:
     {
       final HdfsFileStatus status = np.getFileInfo(fullpath);
@@ -431,20 +392,9 @@ public Response run() throws IOException, URISyntaxException {
       final StreamingOutput streaming = getListingStream(np, fullpath);
       return Response.ok(streaming).type(MediaType.APPLICATION_JSON).build();
     }
-    case GETDELEGATIONTOKEN:
-    {
-      final Token<? extends TokenIdentifier> token = generateDelegationToken(
-          namenode, ugi, renewer.getValue());
-      final String js = JsonUtil.toJsonString(token);
-      return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
-    }
     default:
       throw new UnsupportedOperationException(op + " is not supported");
     }    
-
-        } finally {
-          REMOTE_ADDRESS.set(null);
-        }
       }
     });
   }
@@ -512,9 +462,6 @@ public Response delete(
     return ugi.doAs(new PrivilegedExceptionAction<Response>() {
       @Override
       public Response run() throws IOException {
-        REMOTE_ADDRESS.set(request.getRemoteAddr());
-        try {
-
         final NameNode namenode = (NameNode)context.getAttribute("name.node");
         final String fullpath = path.getAbsolutePath();
 
@@ -528,10 +475,6 @@ public Response run() throws IOException {
         default:
           throw new UnsupportedOperationException(op + " is not supported");
         }
-
-        } finally {
-          REMOTE_ADDRESS.set(null);
-        }
       }
     });
   }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DelegationTokenFetcher.java

@@ -149,9 +149,7 @@ public Object run() throws Exception {
                 DataInputStream in = new DataInputStream(
                     new ByteArrayInputStream(token.getIdentifier()));
                 id.readFields(in);
-                if(LOG.isDebugEnabled()) {
+                System.out.println("Token (" + id + ") for " + token.getService());
-                  LOG.debug("Token (" + id + ") for " + token.getService());
-                }
               }
               return null;
             }
@@ -162,28 +160,22 @@ public Object run() throws Exception {
                 for (Token<?> token : readTokens(tokenFile, conf)) {
                   result = renewDelegationToken(webUrl,
                       (Token<DelegationTokenIdentifier>) token);
-                  if(LOG.isDebugEnabled()) {
+                  System.out.println("Renewed token via " + webUrl + " for "
-                	  LOG.debug("Renewed token via " + webUrl + " for "
+                      + token.getService() + " until: " + new Date(result));
-                          + token.getService() + " until: " + new Date(result));
-                  }
                 }
               } else if (cancel) {
                 for (Token<?> token : readTokens(tokenFile, conf)) {
                   cancelDelegationToken(webUrl,
                       (Token<DelegationTokenIdentifier>) token);
-                  if(LOG.isDebugEnabled()) {
+                  System.out.println("Cancelled token via " + webUrl + " for "
-                    LOG.debug("Cancelled token via " + webUrl + " for "
+                      + token.getService());
-                	    + token.getService());
-                  }
                 }
               } else {
                 Credentials creds = getDTfromRemote(webUrl, renewer);
                 creds.writeTokenStorageFile(tokenFile, conf);
                 for (Token<?> token : creds.getAllTokens()) {
-                  if(LOG.isDebugEnabled()) {	
+                  System.out.println("Fetched token via " + webUrl + " for "
-                    LOG.debug("Fetched token via " + webUrl + " for "
+                      + token.getService() + " into " + tokenFile);
-                        + token.getService() + " into " + tokenFile);
-                  }
                 }
               }
             } else {
@@ -192,30 +184,24 @@ public Object run() throws Exception {
                 for (Token<?> token : readTokens(tokenFile, conf)) {
                   ((DistributedFileSystem) fs)
                       .cancelDelegationToken((Token<DelegationTokenIdentifier>) token);
-                  if(LOG.isDebugEnabled()) {
+                  System.out.println("Cancelled token for "
-                    LOG.debug("Cancelled token for "
+                      + token.getService());
-                        + token.getService());
-                  }
                 }
               } else if (renew) {
                 long result;
                 for (Token<?> token : readTokens(tokenFile, conf)) {
                   result = ((DistributedFileSystem) fs)
                       .renewDelegationToken((Token<DelegationTokenIdentifier>) token);
-                  if(LOG.isDebugEnabled()) {
+                  System.out.println("Renewed token for " + token.getService()
-                    LOG.debug("Renewed token for " + token.getService()
+                      + " until: " + new Date(result));
-                        + " until: " + new Date(result));
-                  }
                 }
               } else {
                 Token<?> token = fs.getDelegationToken(renewer);
                 Credentials cred = new Credentials();
                 cred.addToken(token.getService(), token);
                 cred.writeTokenStorageFile(tokenFile, conf);
-                if(LOG.isDebugEnabled()) {
+                System.out.println("Fetched token for " + token.getService()
-                  LOG.debug("Fetched token for " + token.getService()
+                    + " into " + tokenFile);
-                      + " into " + tokenFile);
-                }
               }
             }
             return null;
@@ -235,11 +221,6 @@ static public Credentials getDTfromRemote(String nnAddr,
       } else {
         url.append(nnAddr).append(GetDelegationTokenServlet.PATH_SPEC);
       }
-      
-      if(LOG.isDebugEnabled()) {
-        LOG.debug("Retrieving token from: " + url);
-      }
-      
       URL remoteURL = new URL(url.toString());
       SecurityUtil.fetchServiceTicket(remoteURL);
       URLConnection connection = remoteURL.openConnection();

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java

@@ -17,31 +17,19 @@
  */
 package org.apache.hadoop.hdfs.web;
 
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.hdfs.DFSUtil;
-import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
-import org.apache.hadoop.hdfs.protocol.DatanodeInfo.AdminStates;
-import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
 import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
-import org.apache.hadoop.hdfs.protocol.LocatedBlock;
-import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
-import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
-import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.ipc.RemoteException;
-import org.apache.hadoop.security.token.Token;
-import org.apache.hadoop.security.token.TokenIdentifier;
 import org.mortbay.util.ajax.JSON;
 
 /** JSON Utilities */
 public class JsonUtil {
-  private static class ThreadLocalMap extends ThreadLocal<Map<String, Object>> {
+  private static final ThreadLocal<Map<String, Object>> jsonMap
+      = new ThreadLocal<Map<String, Object>>() {
     @Override
     protected Map<String, Object> initialValue() {
       return new TreeMap<String, Object>();
@@ -53,54 +41,7 @@ public Map<String, Object> get() {
       m.clear();
       return m;
     }
-  }
+  };
-
-  private static final ThreadLocalMap jsonMap = new ThreadLocalMap();
-  private static final ThreadLocalMap tokenMap = new ThreadLocalMap();
-  private static final ThreadLocalMap datanodeInfoMap = new ThreadLocalMap();
-  private static final ThreadLocalMap extendedBlockMap = new ThreadLocalMap();
-  private static final ThreadLocalMap locatedBlockMap = new ThreadLocalMap();
-
-  private static final DatanodeInfo[] EMPTY_DATANODE_INFO_ARRAY = {};
-
-  /** Convert a token object to a Json string. */
-  public static String toJsonString(final Token<? extends TokenIdentifier> token
-      ) throws IOException {
-    if (token == null) {
-      return null;
-    }
-
-    final Map<String, Object> m = tokenMap.get();
-    m.put("urlString", token.encodeToUrlString());
-    return JSON.toString(m);
-  }
-
-  /** Convert a Json map to a Token. */
-  public static Token<? extends TokenIdentifier> toToken(
-      final Map<?, ?> m) throws IOException {
-    if (m == null) {
-      return null;
-    }
-
-    final Token<DelegationTokenIdentifier> token
-        = new Token<DelegationTokenIdentifier>();
-    token.decodeFromUrlString((String)m.get("urlString"));
-    return token;
-  }
-
-  /** Convert a Json map to a Token of DelegationTokenIdentifier. */
-  @SuppressWarnings("unchecked")
-  public static Token<DelegationTokenIdentifier> toDelegationToken(
-      final Map<?, ?> m) throws IOException {
-    return (Token<DelegationTokenIdentifier>)toToken(m);
-  }
-
-  /** Convert a Json map to a Token of BlockTokenIdentifier. */
-  @SuppressWarnings("unchecked")
-  public static Token<BlockTokenIdentifier> toBlockToken(
-      final Map<?, ?> m) throws IOException {
-    return (Token<BlockTokenIdentifier>)toToken(m);
-  }
 
   /** Convert an exception object to a Json string. */
   public static String toJsonString(final Exception e) {
@@ -136,10 +77,11 @@ public static FsPermission toFsPermission(final String s) {
 
   /** Convert a HdfsFileStatus object to a Json string. */
   public static String toJsonString(final HdfsFileStatus status) {
+    final Map<String, Object> m = jsonMap.get();
     if (status == null) {
-      return null;
+      m.put("isNull", true);
     } else {
-      final Map<String, Object> m = jsonMap.get();
+      m.put("isNull", false);
       m.put("localName", status.getLocalName());
       m.put("isDir", status.isDir());
       m.put("isSymlink", status.isSymlink());
@@ -155,8 +97,8 @@ public static String toJsonString(final HdfsFileStatus status) {
       m.put("modificationTime", status.getModificationTime());
       m.put("blockSize", status.getBlockSize());
       m.put("replication", status.getReplication());
-      return JSON.toString(m);
     }
+    return JSON.toString(m);
   }
 
   @SuppressWarnings("unchecked")
@@ -164,9 +106,9 @@ static Map<String, Object> parse(String jsonString) {
     return (Map<String, Object>) JSON.parse(jsonString);
   }
 
-  /** Convert a Json map to a HdfsFileStatus object. */
+  /** Convert a Json string to a HdfsFileStatus object. */
   public static HdfsFileStatus toFileStatus(final Map<String, Object> m) {
-    if (m == null) {
+    if ((Boolean)m.get("isNull")) {
       return null;
     }
 
@@ -188,214 +130,4 @@ public static HdfsFileStatus toFileStatus(final Map<String, Object> m) {
         permission, owner, group,
         symlink, DFSUtil.string2Bytes(localName));
   }
-
-  /** Convert a LocatedBlock to a Json string. */
-  public static String toJsonString(final ExtendedBlock extendedblock) {
-    if (extendedblock == null) {
-      return null;
-    }
-
-    final Map<String, Object> m = extendedBlockMap.get();
-    m.put("blockPoolId", extendedblock.getBlockPoolId());
-    m.put("blockId", extendedblock.getBlockId());
-    m.put("numBytes", extendedblock.getNumBytes());
-    m.put("generationStamp", extendedblock.getGenerationStamp());
-    return JSON.toString(m);
-  }
-
-  /** Convert a Json map to an ExtendedBlock object. */
-  public static ExtendedBlock toExtendedBlock(final Map<?, ?> m) {
-    if (m == null) {
-      return null;
-    }
-    
-    final String blockPoolId = (String)m.get("blockPoolId");
-    final long blockId = (Long)m.get("blockId");
-    final long numBytes = (Long)m.get("numBytes");
-    final long generationStamp = (Long)m.get("generationStamp");
-    return new ExtendedBlock(blockPoolId, blockId, numBytes, generationStamp);
-  }
-  
-  /** Convert a DatanodeInfo to a Json string. */
-  public static String toJsonString(final DatanodeInfo datanodeinfo) {
-    if (datanodeinfo == null) {
-      return null;
-    }
-
-    final Map<String, Object> m = datanodeInfoMap.get();
-    m.put("name", datanodeinfo.getName());
-    m.put("storageID", datanodeinfo.getStorageID());
-    m.put("infoPort", datanodeinfo.getInfoPort());
-
-    m.put("ipcPort", datanodeinfo.getIpcPort());
-
-    m.put("capacity", datanodeinfo.getCapacity());
-    m.put("dfsUsed", datanodeinfo.getDfsUsed());
-    m.put("remaining", datanodeinfo.getRemaining());
-    m.put("blockPoolUsed", datanodeinfo.getBlockPoolUsed());
-    m.put("lastUpdate", datanodeinfo.getLastUpdate());
-    m.put("xceiverCount", datanodeinfo.getXceiverCount());
-    m.put("networkLocation", datanodeinfo.getNetworkLocation());
-    m.put("hostName", datanodeinfo.getHostName());
-    m.put("adminState", datanodeinfo.getAdminState().name());
-    return JSON.toString(m);
-  }
-
-  /** Convert a Json map to an DatanodeInfo object. */
-  public static DatanodeInfo toDatanodeInfo(final Map<?, ?> m) {
-    if (m == null) {
-      return null;
-    }
-
-    return new DatanodeInfo(
-        (String)m.get("name"),
-        (String)m.get("storageID"),
-        (int)(long)(Long)m.get("infoPort"),
-        (int)(long)(Long)m.get("ipcPort"),
-
-        (Long)m.get("capacity"),
-        (Long)m.get("dfsUsed"),
-        (Long)m.get("remaining"),
-        (Long)m.get("blockPoolUsed"),
-        (Long)m.get("lastUpdate"),
-        (int)(long)(Long)m.get("xceiverCount"),
-        (String)m.get("networkLocation"),
-        (String)m.get("hostName"),
-        AdminStates.valueOf((String)m.get("adminState")));
-  }
-
-  /** Convert a DatanodeInfo[] to a Json string. */
-  public static String toJsonString(final DatanodeInfo[] array
-      ) throws IOException {
-    if (array == null) {
-      return null;
-    } else if (array.length == 0) {
-      return "[]";
-    } else {
-      final StringBuilder b = new StringBuilder().append('[').append(
-          toJsonString(array[0]));
-      for(int i = 1; i < array.length; i++) {
-        b.append(", ").append(toJsonString(array[i]));
-      }
-      return b.append(']').toString();
-    }
-  }
-
-  /** Convert an Object[] to a DatanodeInfo[]. */
-  public static DatanodeInfo[] toDatanodeInfoArray(final Object[] objects) {
-    if (objects == null) {
-      return null;
-    } else if (objects.length == 0) {
-      return EMPTY_DATANODE_INFO_ARRAY;
-    } else {
-      final DatanodeInfo[] array = new DatanodeInfo[objects.length];
-      for(int i = 0; i < array.length; i++) {
-        array[i] = (DatanodeInfo)toDatanodeInfo((Map<?, ?>) objects[i]);
-      }
-      return array;
-    }
-  }
-
-  /** Convert a LocatedBlock to a Json string. */
-  public static String toJsonString(final LocatedBlock locatedblock
-      ) throws IOException {
-    if (locatedblock == null) {
-      return null;
-    }
- 
-    final Map<String, Object> m = locatedBlockMap.get();
-    m.put("blockToken", toJsonString(locatedblock.getBlockToken()));
-    m.put("isCorrupt", locatedblock.isCorrupt());
-    m.put("startOffset", locatedblock.getStartOffset());
-    m.put("block", toJsonString(locatedblock.getBlock()));
-
-    m.put("locations", toJsonString(locatedblock.getLocations()));
-    return JSON.toString(m);
-  }
-
-  /** Convert a Json map to LocatedBlock. */
-  public static LocatedBlock toLocatedBlock(final Map<?, ?> m) throws IOException {
-    if (m == null) {
-      return null;
-    }
-
-    final ExtendedBlock b = toExtendedBlock((Map<?, ?>)JSON.parse((String)m.get("block")));
-    final DatanodeInfo[] locations = toDatanodeInfoArray(
-        (Object[])JSON.parse((String)m.get("locations")));
-    final long startOffset = (Long)m.get("startOffset");
-    final boolean isCorrupt = (Boolean)m.get("isCorrupt");
-
-    final LocatedBlock locatedblock = new LocatedBlock(b, locations, startOffset, isCorrupt);
-    locatedblock.setBlockToken(toBlockToken((Map<?, ?>)JSON.parse((String)m.get("blockToken"))));
-    return locatedblock;
-  }
-
-  /** Convert a LocatedBlock[] to a Json string. */
-  public static String toJsonString(final List<LocatedBlock> array
-      ) throws IOException {
-    if (array == null) {
-      return null;
-    } else if (array.size() == 0) {
-      return "[]";
-    } else {
-      final StringBuilder b = new StringBuilder().append('[').append(
-          toJsonString(array.get(0)));
-      for(int i = 1; i < array.size(); i++) {
-        b.append(",\n  ").append(toJsonString(array.get(i)));
-      }
-      return b.append(']').toString();
-    }
-  }
-
-  /** Convert an Object[] to a List of LocatedBlock. 
-   * @throws IOException */
-  public static List<LocatedBlock> toLocatedBlockList(final Object[] objects
-      ) throws IOException {
-    if (objects == null) {
-      return null;
-    } else if (objects.length == 0) {
-      return Collections.emptyList();
-    } else {
-      final List<LocatedBlock> list = new ArrayList<LocatedBlock>(objects.length);
-      for(int i = 0; i < objects.length; i++) {
-        list.add((LocatedBlock)toLocatedBlock((Map<?, ?>)objects[i]));
-      }
-      return list;
-    }
-  }
-
-  /** Convert LocatedBlocks to a Json string. */
-  public static String toJsonString(final LocatedBlocks locatedblocks
-      ) throws IOException {
-    if (locatedblocks == null) {
-      return null;
-    }
-
-    final Map<String, Object> m = jsonMap.get();
-    m.put("fileLength", locatedblocks.getFileLength());
-    m.put("isUnderConstruction", locatedblocks.isUnderConstruction());
-
-    m.put("locatedBlocks", toJsonString(locatedblocks.getLocatedBlocks()));
-    m.put("lastLocatedBlock", toJsonString(locatedblocks.getLastLocatedBlock()));
-    m.put("isLastBlockComplete", locatedblocks.isLastBlockComplete());
-    return JSON.toString(m);
-  }
-
-  /** Convert a Json map to LocatedBlock. */
-  public static LocatedBlocks toLocatedBlocks(final Map<String, Object> m
-      ) throws IOException {
-    if (m == null) {
-      return null;
-    }
-    
-    final long fileLength = (Long)m.get("fileLength");
-    final boolean isUnderConstruction = (Boolean)m.get("isUnderConstruction");
-    final List<LocatedBlock> locatedBlocks = toLocatedBlockList(
-        (Object[])JSON.parse((String) m.get("locatedBlocks")));
-    final LocatedBlock lastLocatedBlock = toLocatedBlock(
-        (Map<?, ?>)JSON.parse((String)m.get("lastLocatedBlock")));
-    final boolean isLastBlockComplete = (Boolean)m.get("isLastBlockComplete");
-    return new LocatedBlocks(fileLength, isUnderConstruction, locatedBlocks,
-        lastLocatedBlock, isLastBlockComplete);
-  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/ParamFilter.java

@@ -1,85 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.hdfs.web;
-
-import java.net.URI;
-import java.util.List;
-import java.util.Map;
-
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.UriBuilder;
-
-import com.sun.jersey.spi.container.ContainerRequest;
-import com.sun.jersey.spi.container.ContainerRequestFilter;
-import com.sun.jersey.spi.container.ContainerResponseFilter;
-import com.sun.jersey.spi.container.ResourceFilter;
-
-/**
- * A filter to change parameter names to lower cases
- * so that parameter names are considered as case insensitive.
- */
-public class ParamFilter implements ResourceFilter {
-  private static final ContainerRequestFilter LOWER_CASE
-      = new ContainerRequestFilter() {
-    @Override
-    public ContainerRequest filter(final ContainerRequest request) {
-      final MultivaluedMap<String, String> parameters = request.getQueryParameters();
-      if (containsUpperCase(parameters.keySet())) {
-        //rebuild URI
-        final URI lower = rebuildQuery(request.getRequestUri(), parameters);
-        request.setUris(request.getBaseUri(), lower);
-      }
-      return request;
-    }
-  };
-
-  @Override
-  public ContainerRequestFilter getRequestFilter() {
-    return LOWER_CASE;
-  }
-
-  @Override
-  public ContainerResponseFilter getResponseFilter() {
-    return null;
-  }
-
-  /** Do the strings contain upper case letters? */
-  private static boolean containsUpperCase(final Iterable<String> strings) {
-    for(String s : strings) {
-      for(int i = 0; i < s.length(); i++) {
-        if (Character.isUpperCase(s.charAt(i))) {
-          return true;
-        }
-      }
-    }
-    return false;
-  }
-
-  /** Rebuild the URI query with lower case parameter names. */
-  private static URI rebuildQuery(final URI uri,
-      final MultivaluedMap<String, String> parameters) {
-    UriBuilder b = UriBuilder.fromUri(uri).replaceQuery("");
-    for(Map.Entry<String, List<String>> e : parameters.entrySet()) {
-      final String key = e.getKey().toLowerCase();
-      for(String v : e.getValue()) {
-        b = b.queryParam(key, v);
-      }
-    }
-    return b.build();
-  }
-}

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java

@@ -27,12 +27,9 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
-import java.util.Arrays;
-import java.util.List;
 import java.util.Map;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.BlockLocation;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileAlreadyExistsException;
@@ -48,7 +45,6 @@
 import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
 import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
 import org.apache.hadoop.hdfs.protocol.UnresolvedPathException;
-import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.hdfs.server.namenode.SafeModeException;
 import org.apache.hadoop.hdfs.web.resources.AccessTimeParam;
 import org.apache.hadoop.hdfs.web.resources.BlockSizeParam;
@@ -58,9 +54,7 @@
 import org.apache.hadoop.hdfs.web.resources.GetOpParam;
 import org.apache.hadoop.hdfs.web.resources.GroupParam;
 import org.apache.hadoop.hdfs.web.resources.HttpOpParam;
-import org.apache.hadoop.hdfs.web.resources.LengthParam;
 import org.apache.hadoop.hdfs.web.resources.ModificationTimeParam;
-import org.apache.hadoop.hdfs.web.resources.OffsetParam;
 import org.apache.hadoop.hdfs.web.resources.OverwriteParam;
 import org.apache.hadoop.hdfs.web.resources.OwnerParam;
 import org.apache.hadoop.hdfs.web.resources.Param;
@@ -69,16 +63,13 @@
 import org.apache.hadoop.hdfs.web.resources.PutOpParam;
 import org.apache.hadoop.hdfs.web.resources.RecursiveParam;
 import org.apache.hadoop.hdfs.web.resources.RenameOptionSetParam;
-import org.apache.hadoop.hdfs.web.resources.RenewerParam;
 import org.apache.hadoop.hdfs.web.resources.ReplicationParam;
 import org.apache.hadoop.hdfs.web.resources.UserParam;
-import org.apache.hadoop.io.Text;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authentication.client.AuthenticatedURL;
 import org.apache.hadoop.security.authentication.client.AuthenticationException;
-import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.util.Progressable;
 import org.mortbay.util.ajax.JSON;
 
@@ -91,24 +82,17 @@ public class WebHdfsFileSystem extends HftpFileSystem {
 
   private static final KerberosUgiAuthenticator AUTH = new KerberosUgiAuthenticator();
 
-  private final UserGroupInformation ugi;
+  private UserGroupInformation ugi;
   private final AuthenticatedURL.Token authToken = new AuthenticatedURL.Token();
   protected Path workingDir;
 
-  {
-    try {
-      ugi = UserGroupInformation.getCurrentUser();
-    } catch (IOException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
   @Override
   public synchronized void initialize(URI uri, Configuration conf
       ) throws IOException {
     super.initialize(uri, conf);
     setConf(conf);
 
+    ugi = UserGroupInformation.getCurrentUser();
     this.workingDir = getHomeDirectory();
   }
 
@@ -179,11 +163,11 @@ private static void validateResponse(final HttpOpParam.Op op,
     }
   }
 
-  URL toUrl(final HttpOpParam.Op op, final Path fspath,
+  private URL toUrl(final HttpOpParam.Op op, final Path fspath,
       final Param<?,?>... parameters) throws IOException {
     //initialize URI path and query
     final String path = "/" + PATH_PREFIX
-        + (fspath == null? "/": makeQualified(fspath).toUri().getPath());
+        + makeQualified(fspath).toUri().getPath();
     final String query = op.toQueryString()
         + '&' + new UserParam(ugi)
         + Param.toSortedString("&", parameters);
@@ -412,41 +396,4 @@ public FileStatus[] listStatus(final Path f) throws IOException {
     }
     return statuses;
   }
-
-  @Override
-  public Token<DelegationTokenIdentifier> getDelegationToken(final String renewer
-      ) throws IOException {
-    final HttpOpParam.Op op = GetOpParam.Op.GETDELEGATIONTOKEN;
-    final Map<String, Object> m = run(op, null, new RenewerParam(renewer));
-    final Token<DelegationTokenIdentifier> token = JsonUtil.toDelegationToken(m); 
-    token.setService(new Text(getCanonicalServiceName()));
-    return token;
-  }
-
-  @Override
-  public List<Token<?>> getDelegationTokens(final String renewer
-      ) throws IOException {
-    final Token<?>[] t = {getDelegationToken(renewer)};
-    return Arrays.asList(t);
-  }
-
-  @Override
-  public BlockLocation[] getFileBlockLocations(final FileStatus status,
-      final long offset, final long length) throws IOException {
-    if (status == null) {
-      return null;
-    }
-    return getFileBlockLocations(status.getPath(), offset, length);
-  }
-
-  @Override
-  public BlockLocation[] getFileBlockLocations(final Path p, 
-      final long offset, final long length) throws IOException {
-    statistics.incrementReadOps(1);
-
-    final HttpOpParam.Op op = GetOpParam.Op.GETFILEBLOCKLOCATIONS;
-    final Map<String, Object> m = run(op, p, new OffsetParam(offset),
-        new LengthParam(length));
-    return DFSUtil.locatedBlocks2Locations(JsonUtil.toLocatedBlocks(m));
-  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/AccessTimeParam.java

@@ -20,7 +20,7 @@
 /** Access time parameter. */
 public class AccessTimeParam extends LongParam {
   /** Parameter name. */
-  public static final String NAME = "accesstime";
+  public static final String NAME = "accessTime";
   /** Default parameter value. */
   public static final String DEFAULT = "-1";
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/BlockSizeParam.java

@@ -25,7 +25,7 @@
 /** Block size parameter. */
 public class BlockSizeParam extends LongParam {
   /** Parameter name. */
-  public static final String NAME = "blocksize";
+  public static final String NAME = "blockSize";
   /** Default parameter value. */
   public static final String DEFAULT = NULL;
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/BufferSizeParam.java

@@ -23,7 +23,7 @@
 /** Buffer size parameter. */
 public class BufferSizeParam extends IntegerParam {
   /** Parameter name. */
-  public static final String NAME = "buffersize";
+  public static final String NAME = "bufferSize";
   /** Default parameter value. */
   public static final String DEFAULT = NULL;
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/DelegationParam.java

@@ -17,12 +17,13 @@
  */
 package org.apache.hadoop.hdfs.web.resources;
 
+import org.apache.hadoop.hdfs.server.common.JspHelper;
 import org.apache.hadoop.security.UserGroupInformation;
 
 /** Delegation token parameter. */
 public class DelegationParam extends StringParam {
   /** Parameter name. */
-  public static final String NAME = "delegation";
+  public static final String NAME = JspHelper.DELEGATION_PARAMETER_NAME;
   /** Default parameter value. */
   public static final String DEFAULT = "";
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/DeleteOpParam.java

@@ -21,6 +21,9 @@
 
 /** Http DELETE operation parameter. */
 public class DeleteOpParam extends HttpOpParam<DeleteOpParam.Op> {
+  /** Parameter name. */
+  public static final String NAME = "deleteOp";
+
   /** Delete operations. */
   public static enum Op implements HttpOpParam.Op {
     DELETE(HttpURLConnection.HTTP_OK),

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/DstPathParam.java

@@ -22,7 +22,7 @@
 /** Destination path parameter. */
 public class DstPathParam extends StringParam {
   /** Parameter name. */
-  public static final String NAME = "dstpath";
+  public static final String NAME = "dstPath";
   /** Default parameter value. */
   public static final String DEFAULT = "";
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/GetOpParam.java

@@ -21,16 +21,16 @@
 
 /** Http GET operation parameter. */
 public class GetOpParam extends HttpOpParam<GetOpParam.Op> {
+  /** Parameter name. */
+  public static final String NAME = "getOp";
+
   /** Get operations. */
   public static enum Op implements HttpOpParam.Op {
     OPEN(HttpURLConnection.HTTP_OK),
-    GETFILEBLOCKLOCATIONS(HttpURLConnection.HTTP_OK),
 
     GETFILESTATUS(HttpURLConnection.HTTP_OK),
     LISTSTATUS(HttpURLConnection.HTTP_OK),
 
-    GETDELEGATIONTOKEN(HttpURLConnection.HTTP_OK),
-
     NULL(HttpURLConnection.HTTP_NOT_IMPLEMENTED);
 
     final int expectedHttpResponseCode;

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/HttpOpParam.java

@@ -20,9 +20,6 @@
 /** Http operation parameter. */
 public abstract class HttpOpParam<E extends Enum<E> & HttpOpParam.Op>
     extends EnumParam<E> {
-  /** Parameter name. */
-  public static final String NAME = "op";
-
   /** Default parameter value. */
   public static final String DEFAULT = NULL;
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/ModificationTimeParam.java

@@ -20,7 +20,7 @@
 /** Modification time parameter. */
 public class ModificationTimeParam extends LongParam {
   /** Parameter name. */
-  public static final String NAME = "modificationtime";
+  public static final String NAME = "modificationTime";
   /** Default parameter value. */
   public static final String DEFAULT = "-1";
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/OverwriteParam.java

@@ -17,7 +17,7 @@
  */
 package org.apache.hadoop.hdfs.web.resources;
 
-/** Overwrite parameter. */
+/** Recursive parameter. */
 public class OverwriteParam extends BooleanParam {
   /** Parameter name. */
   public static final String NAME = "overwrite";

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/PostOpParam.java

@@ -21,6 +21,9 @@
 
 /** Http POST operation parameter. */
 public class PostOpParam extends HttpOpParam<PostOpParam.Op> {
+  /** Parameter name. */
+  public static final String NAME = "postOp";
+
   /** Post operations. */
   public static enum Op implements HttpOpParam.Op {
     APPEND(HttpURLConnection.HTTP_OK),

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/PutOpParam.java

@@ -21,6 +21,9 @@
 
 /** Http POST operation parameter. */
 public class PutOpParam extends HttpOpParam<PutOpParam.Op> {
+  /** Parameter name. */
+  public static final String NAME = "putOp";
+
   /** Put operations. */
   public static enum Op implements HttpOpParam.Op {
     CREATE(true, HttpURLConnection.HTTP_CREATED),

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/RenameOptionSetParam.java

@@ -22,7 +22,7 @@
 /** Rename option set parameter. */
 public class RenameOptionSetParam extends EnumSetParam<Options.Rename> {
   /** Parameter name. */
-  public static final String NAME = "renameoptions";
+  public static final String NAME = "renameOptions";
   /** Default parameter value. */
   public static final String DEFAULT = "";
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/resources/RenewerParam.java

@@ -1,41 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.hdfs.web.resources;
-
-/** Renewer parameter. */
-public class RenewerParam extends StringParam {
-  /** Parameter name. */
-  public static final String NAME = "renewer";
-  /** Default parameter value. */
-  public static final String DEFAULT = NULL;
-
-  private static final Domain DOMAIN = new Domain(NAME, null);
-
-  /**
-   * Constructor.
-   * @param str a string representation of the parameter value.
-   */
-  public RenewerParam(final String str) {
-    super(DOMAIN, str == null || str.equals(DEFAULT)? null: str);
-  }
-
-  @Override
-  public String getName() {
-    return NAME;
-  }
-}

hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml

@@ -683,4 +683,24 @@ creations/deletions), or "all".</description>
   </description>
 </property>
 
+<property>
+  <name>dfs.web.authentication.kerberos.principal</name>
+  <value>HTTP/${dfs.web.hostname}@${kerberos.realm}</value>
+  <description>
+    The HTTP Kerberos principal used by Hadoop-Auth in the HTTP endpoint.
+
+    The HTTP Kerberos principal MUST start with 'HTTP/' per Kerberos
+    HTTP SPENGO specification.
+  </description>
+</property>
+
+<property>
+  <name>dfs.web.authentication.kerberos.keytab</name>
+  <value>${user.home}/dfs.web.keytab</value>
+  <description>
+    The Kerberos keytab file with the credentials for the
+    HTTP Kerberos principal used by Hadoop-Auth in the HTTP endpoint.
+  </description>
+</property>
+
 </configuration>

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSPermission.java

@@ -72,7 +72,6 @@ public class TestDFSPermission extends TestCase {
   final private static Path NON_EXISTENT_FILE = new Path("/NonExistentFile");
 
   private FileSystem fs;
-  private MiniDFSCluster cluster;
   private static Random r;
 
   static {
@@ -106,25 +105,18 @@ public class TestDFSPermission extends TestCase {
     }
   }
 
-  @Override
-  public void setUp() throws IOException {
-    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
-    cluster.waitActive();
-  }
-  
-  @Override
-  public void tearDown() throws IOException {
-    if (cluster != null) {
-      cluster.shutdown();
-    }
-  }
-  
   /** This tests if permission setting in create, mkdir, and 
    * setPermission works correctly
    */
   public void testPermissionSetting() throws Exception {
-    testPermissionSetting(OpType.CREATE); // test file creation
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
-    testPermissionSetting(OpType.MKDIRS); // test directory creation
+    try {
+      cluster.waitActive();
+      testPermissionSetting(OpType.CREATE); // test file creation
+      testPermissionSetting(OpType.MKDIRS); // test directory creation
+    } finally {
+      cluster.shutdown();
+    }
   }
 
   private void initFileSystem(short umask) throws Exception {
@@ -253,22 +245,17 @@ private void checkPermission(Path name, short expectedPermission,
     }
   }
 
-  /**
-   * check that ImmutableFsPermission can be used as the argument
-   * to setPermission
-   */
-  public void testImmutableFsPermission() throws IOException {
-    fs = FileSystem.get(conf);
-
-    // set the permission of the root to be world-wide rwx
-    fs.setPermission(new Path("/"),
-        FsPermission.createImmutable((short)0777));
-  }
-  
   /* check if the ownership of a file/directory is set correctly */
   public void testOwnership() throws Exception {
-    testOwnership(OpType.CREATE); // test file creation
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
-    testOwnership(OpType.MKDIRS); // test directory creation
+    try {
+      cluster.waitActive();
+      testOwnership(OpType.CREATE); // test file creation
+      testOwnership(OpType.MKDIRS); // test directory creation
+    } finally {
+      fs.close();
+      cluster.shutdown();
+    }
   }
 
   /* change a file/directory's owner and group.
@@ -355,7 +342,9 @@ private enum OpType {CREATE, MKDIRS, OPEN, SET_REPLICATION,
   /* Check if namenode performs permission checking correctly for
    * superuser, file owner, group owner, and other users */
   public void testPermissionChecking() throws Exception {
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
     try {
+      cluster.waitActive();
       fs = FileSystem.get(conf);
 
       // set the permission of the root to be world-wide rwx
@@ -412,6 +401,7 @@ public void testPermissionChecking() throws Exception {
           parentPermissions, permissions, parentPaths, filePaths, dirPaths);
     } finally {
       fs.close();
+      cluster.shutdown();
     }
   }
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java

@@ -29,7 +29,8 @@
 import java.util.Iterator;
 import java.util.List;
 
-import org.apache.hadoop.HadoopIllegalArgumentException;
+import junit.framework.Assert;
+
 import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
 import org.apache.hadoop.hdfs.protocol.LocatedBlock;
 import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
@@ -39,7 +40,8 @@
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.BlockLocation;
-import static org.apache.hadoop.hdfs.DFSConfigKeys.*;
+import static org.apache.hadoop.fs.CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION;
+
 
 public class TestDFSUtil {
   /**
@@ -74,141 +76,79 @@ public void testLocatedBlocks2Locations() {
       }
     }
 
-    assertTrue("expected 1 corrupt files but got " + corruptCount,
+    assertTrue("expected 1 corrupt files but got " + corruptCount, 
-        corruptCount == 1);
+               corruptCount == 1);
-
+    
     // test an empty location
     bs = DFSUtil.locatedBlocks2Locations(new LocatedBlocks());
     assertEquals(0, bs.length);
   }
 
-
+  /** 
-  private Configuration setupAddress(String key) {
+   * Test for
+   * {@link DFSUtil#getNameServiceIds(Configuration)}
+   * {@link DFSUtil#getNameServiceId(Configuration)}
+   * {@link DFSUtil#getNNServiceRpcAddresses(Configuration)}
+   */
+  @Test
+  public void testMultipleNamenodes() throws IOException {
     HdfsConfiguration conf = new HdfsConfiguration();
-    conf.set(DFS_FEDERATION_NAMESERVICES, "nn1");
+    conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, "nn1,nn2");
-    conf.set(DFSUtil.getNameServiceIdKey(key, "nn1"), "localhost:9000");
+    
-    return conf;
+    // Test - The configured nameserviceIds are returned
-  }
-
-  /**
-   * Test {@link DFSUtil#getNamenodeNameServiceId(Configuration)} to ensure
-   * nameserviceId from the configuration returned
-   */
-  @Test
-  public void getNameServiceId() {
-    HdfsConfiguration conf = new HdfsConfiguration();
-    conf.set(DFS_FEDERATION_NAMESERVICE_ID, "nn1");
-    assertEquals("nn1", DFSUtil.getNamenodeNameServiceId(conf));
-  }
-  
-  /**
-   * Test {@link DFSUtil#getNameNodeNameServiceId(Configuration)} to ensure
-   * nameserviceId for namenode is determined based on matching the address with
-   * local node's address
-   */
-  @Test
-  public void getNameNodeNameServiceId() {
-    Configuration conf = setupAddress(DFS_NAMENODE_RPC_ADDRESS_KEY);
-    assertEquals("nn1", DFSUtil.getNamenodeNameServiceId(conf));
-  }
-
-  /**
-   * Test {@link DFSUtil#getBackupNameServiceId(Configuration)} to ensure
-   * nameserviceId for backup node is determined based on matching the address
-   * with local node's address
-   */
-  @Test
-  public void getBackupNameServiceId() {
-    Configuration conf = setupAddress(DFS_NAMENODE_BACKUP_ADDRESS_KEY);
-    assertEquals("nn1", DFSUtil.getBackupNameServiceId(conf));
-  }
-
-  /**
-   * Test {@link DFSUtil#getSecondaryNameServiceId(Configuration)} to ensure
-   * nameserviceId for backup node is determined based on matching the address
-   * with local node's address
-   */
-  @Test
-  public void getSecondaryNameServiceId() {
-    Configuration conf = setupAddress(DFS_NAMENODE_SECONDARY_HTTP_ADDRESS_KEY);
-    assertEquals("nn1", DFSUtil.getSecondaryNameServiceId(conf));
-  }
-
-  /**
-   * Test {@link DFSUtil#getNameServiceId(Configuration, String))} to ensure
-   * exception is thrown when multiple rpc addresses match the local node's
-   * address
-   */
-  @Test(expected = HadoopIllegalArgumentException.class)
-  public void testGetNameServiceIdException() {
-    HdfsConfiguration conf = new HdfsConfiguration();
-    conf.set(DFS_FEDERATION_NAMESERVICES, "nn1,nn2");
-    conf.set(DFSUtil.getNameServiceIdKey(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn1"),
-        "localhost:9000");
-    conf.set(DFSUtil.getNameServiceIdKey(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn2"),
-        "localhost:9001");
-    DFSUtil.getNamenodeNameServiceId(conf);
-    fail("Expected exception is not thrown");
-  }
-
-  /**
-   * Test {@link DFSUtil#getNameServiceIds(Configuration)}
-   */
-  @Test
-  public void testGetNameServiceIds() {
-    HdfsConfiguration conf = new HdfsConfiguration();
-    conf.set(DFS_FEDERATION_NAMESERVICES, "nn1,nn2");
     Collection<String> nameserviceIds = DFSUtil.getNameServiceIds(conf);
     Iterator<String> it = nameserviceIds.iterator();
     assertEquals(2, nameserviceIds.size());
     assertEquals("nn1", it.next().toString());
     assertEquals("nn2", it.next().toString());
-  }
+    
-
+    // Tests default nameserviceId is returned
-  /**
+    conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICE_ID, "nn1");
-   * Test for {@link DFSUtil#getNNServiceRpcAddresses(Configuration)}
+    assertEquals("nn1", DFSUtil.getNameServiceId(conf));
-   * {@link DFSUtil#getNameServiceIdFromAddress(Configuration, InetSocketAddress, String...)
+    
-   * (Configuration)}
-   */
-  @Test
-  public void testMultipleNamenodes() throws IOException {
-    HdfsConfiguration conf = new HdfsConfiguration();
-    conf.set(DFS_FEDERATION_NAMESERVICES, "nn1,nn2");
     // Test - configured list of namenodes are returned
     final String NN1_ADDRESS = "localhost:9000";
     final String NN2_ADDRESS = "localhost:9001";
     final String NN3_ADDRESS = "localhost:9002";
-    conf.set(DFSUtil.getNameServiceIdKey(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn1"),
+    conf.set(DFSUtil.getNameServiceIdKey(
-        NN1_ADDRESS);
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY, "nn1"), NN1_ADDRESS);
-    conf.set(DFSUtil.getNameServiceIdKey(DFS_NAMENODE_RPC_ADDRESS_KEY, "nn2"),
+    conf.set(DFSUtil.getNameServiceIdKey(
-        NN2_ADDRESS);
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY, "nn2"), NN2_ADDRESS);
-
+    
-    Collection<InetSocketAddress> nnAddresses = DFSUtil
+    Collection<InetSocketAddress> nnAddresses = 
-        .getNNServiceRpcAddresses(conf);
+      DFSUtil.getNNServiceRpcAddresses(conf);
     assertEquals(2, nnAddresses.size());
     Iterator<InetSocketAddress> iterator = nnAddresses.iterator();
+    assertEquals(2, nameserviceIds.size());
     InetSocketAddress addr = iterator.next();
     assertEquals("localhost", addr.getHostName());
     assertEquals(9000, addr.getPort());
     addr = iterator.next();
     assertEquals("localhost", addr.getHostName());
     assertEquals(9001, addr.getPort());
-
+    
     // Test - can look up nameservice ID from service address
-    checkNameServiceId(conf, NN1_ADDRESS, "nn1");
+    InetSocketAddress testAddress1 = NetUtils.createSocketAddr(NN1_ADDRESS);
-    checkNameServiceId(conf, NN2_ADDRESS, "nn2");
+    String nameserviceId = DFSUtil.getNameServiceIdFromAddress(
-    checkNameServiceId(conf, NN3_ADDRESS, null);
+        conf, testAddress1,
+        DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY);
+    assertEquals("nn1", nameserviceId);
+    InetSocketAddress testAddress2 = NetUtils.createSocketAddr(NN2_ADDRESS);
+    nameserviceId = DFSUtil.getNameServiceIdFromAddress(
+        conf, testAddress2,
+        DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY);
+    assertEquals("nn2", nameserviceId);
+    InetSocketAddress testAddress3 = NetUtils.createSocketAddr(NN3_ADDRESS);
+    nameserviceId = DFSUtil.getNameServiceIdFromAddress(
+        conf, testAddress3,
+        DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY);
+    assertNull(nameserviceId);
   }
-
+  
-  public void checkNameServiceId(Configuration conf, String addr,
+  /** 
-      String expectedNameServiceId) {
-    InetSocketAddress s = NetUtils.createSocketAddr(addr);
-    String nameserviceId = DFSUtil.getNameServiceIdFromAddress(conf, s,
-        DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
-    assertEquals(expectedNameServiceId, nameserviceId);
-  }
-
-  /**
    * Test for
    * {@link DFSUtil#isDefaultNamenodeAddress(Configuration, InetSocketAddress, String...)}
    */
@@ -217,25 +157,27 @@ public void testSingleNamenode() {
     HdfsConfiguration conf = new HdfsConfiguration();
     final String DEFAULT_ADDRESS = "localhost:9000";
     final String NN2_ADDRESS = "localhost:9001";
-    conf.set(DFS_NAMENODE_RPC_ADDRESS_KEY, DEFAULT_ADDRESS);
+    conf.set(DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY, DEFAULT_ADDRESS);
-
+    
     InetSocketAddress testAddress1 = NetUtils.createSocketAddr(DEFAULT_ADDRESS);
     boolean isDefault = DFSUtil.isDefaultNamenodeAddress(conf, testAddress1,
-        DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
+        DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY);
     assertTrue(isDefault);
     InetSocketAddress testAddress2 = NetUtils.createSocketAddr(NN2_ADDRESS);
     isDefault = DFSUtil.isDefaultNamenodeAddress(conf, testAddress2,
-        DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY);
+        DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY,
+        DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY);
     assertFalse(isDefault);
   }
-
+  
   /** Tests to ensure default namenode is used as fallback */
   @Test
   public void testDefaultNamenode() throws IOException {
     HdfsConfiguration conf = new HdfsConfiguration();
     final String hdfs_default = "hdfs://localhost:9999/";
-    conf.set(FS_DEFAULT_NAME_KEY, hdfs_default);
+    conf.set(DFSConfigKeys.FS_DEFAULT_NAME_KEY, hdfs_default);
-    // If DFS_FEDERATION_NAMESERVICES is not set, verify that
+    // If DFSConfigKeys.DFS_FEDERATION_NAMESERVICES is not set, verify that 
     // default namenode address is returned.
     List<InetSocketAddress> addrList = DFSUtil.getNNServiceRpcAddresses(conf);
     assertEquals(1, addrList.size());
@@ -249,26 +191,26 @@ public void testDefaultNamenode() throws IOException {
   @Test
   public void testConfModification() throws IOException {
     final HdfsConfiguration conf = new HdfsConfiguration();
-    conf.set(DFS_FEDERATION_NAMESERVICES, "nn1");
+    conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, "nn1");
-    conf.set(DFS_FEDERATION_NAMESERVICE_ID, "nn1");
+    conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICE_ID, "nn1");
-    final String nameserviceId = DFSUtil.getNamenodeNameServiceId(conf);
+    final String nameserviceId = DFSUtil.getNameServiceId(conf);
-
+    
     // Set the nameservice specific keys with nameserviceId in the config key
     for (String key : NameNode.NAMESERVICE_SPECIFIC_KEYS) {
       // Note: value is same as the key
       conf.set(DFSUtil.getNameServiceIdKey(key, nameserviceId), key);
     }
-
+    
     // Initialize generic keys from specific keys
-    NameNode.initializeGenericKeys(conf, nameserviceId);
+    NameNode.initializeGenericKeys(conf);
-
+    
     // Retrieve the keys without nameserviceId and Ensure generic keys are set
     // to the correct value
     for (String key : NameNode.NAMESERVICE_SPECIFIC_KEYS) {
       assertEquals(key, conf.get(key));
     }
   }
-
+  
   /**
    * Tests for empty configuration, an exception is thrown from
    * {@link DFSUtil#getNNServiceRpcAddresses(Configuration)}
@@ -296,16 +238,16 @@ public void testEmptyConf() {
     } catch (IOException expected) {
     }
   }
-
+  
   @Test
-  public void testGetServerInfo() {
+  public void testGetServerInfo(){
     HdfsConfiguration conf = new HdfsConfiguration();
     conf.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos");
     UserGroupInformation.setConfiguration(conf);
     String httpsport = DFSUtil.getInfoServer(null, conf, true);
-    assertEquals("0.0.0.0:50470", httpsport);
+    Assert.assertEquals("0.0.0.0:50470", httpsport);
     String httpport = DFSUtil.getInfoServer(null, conf, false);
-    assertEquals("0.0.0.0:50070", httpport);
+    Assert.assertEquals("0.0.0.0:50070", httpport);
   }
 
 }

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java

@@ -17,10 +17,6 @@
  */
 package org.apache.hadoop.hdfs;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 import java.io.OutputStream;
 import java.security.PrivilegedExceptionAction;
 
@@ -28,15 +24,17 @@
 import org.apache.hadoop.fs.ContentSummary;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
-import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
 import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
-import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil;
 import org.apache.hadoop.hdfs.tools.DFSAdmin;
 import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
+import org.apache.hadoop.hdfs.protocol.DSQuotaExceededException;
+
 import org.junit.Test;
+import static org.junit.Assert.*;
 
 /** A class for testing quota-related commands */
 public class TestQuota {
@@ -843,14 +841,6 @@ public void testMultipleFilesSmallerThanOneBlock() throws Exception {
     DFSAdmin admin = new DFSAdmin(conf);
 
     try {
-      
-      //Test for deafult NameSpace Quota
-      long nsQuota = FSImageTestUtil.getNSQuota(cluster.getNameNode()
-          .getNamesystem());
-      assertTrue(
-          "Default namespace quota expected as long max. But the value is :"
-              + nsQuota, nsQuota == Long.MAX_VALUE);
-      
       Path dir = new Path("/test");
       boolean exceededQuota = false;
       ContentSummary c;

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/security/TestDelegationToken.java

@@ -23,12 +23,12 @@
 import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
 import java.io.IOException;
-import java.net.URI;
 import java.security.PrivilegedExceptionAction;
 
+import junit.framework.Assert;
+
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.commons.logging.impl.Log4JLogger;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
@@ -38,16 +38,12 @@
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
-import org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods;
-import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.SecretManager.InvalidToken;
 import org.apache.hadoop.security.token.Token;
-import org.apache.log4j.Level;
 import org.junit.After;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -60,13 +56,12 @@ public class TestDelegationToken {
   @Before
   public void setUp() throws Exception {
     config = new HdfsConfiguration();
-    config.setBoolean(DFSConfigKeys.DFS_WEBHDFS_ENABLED_KEY, true);
     config.setLong(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_MAX_LIFETIME_KEY, 10000);
     config.setLong(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_RENEW_INTERVAL_KEY, 5000);
     config.set("hadoop.security.auth_to_local",
         "RULE:[2:$1@$0](JobTracker@.*FOO.COM)s/@.*//" + "DEFAULT");
     FileSystem.setDefaultUri(config, "hdfs://localhost:" + "0");
-    cluster = new MiniDFSCluster.Builder(config).numDataNodes(0).build();
+    cluster = new MiniDFSCluster.Builder(config).build();
     cluster.waitActive();
     dtSecretManager = NameNodeAdapter.getDtSecretManager(
         cluster.getNamesystem());
@@ -158,31 +153,6 @@ public void testDelegationTokenDFSApi() throws Exception {
     dtSecretManager.renewToken(token, "JobTracker");
   }
   
-  @Test
-  public void testDelegationTokenWebHdfsApi() throws Exception {
-    ((Log4JLogger)NamenodeWebHdfsMethods.LOG).getLogger().setLevel(Level.ALL);
-    final String uri = WebHdfsFileSystem.SCHEME  + "://"
-        + config.get(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY);
-    //get file system as JobTracker
-    final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
-        "JobTracker", new String[]{"user"});
-    final WebHdfsFileSystem webhdfs = ugi.doAs(
-        new PrivilegedExceptionAction<WebHdfsFileSystem>() {
-      @Override
-      public WebHdfsFileSystem run() throws Exception {
-        return (WebHdfsFileSystem)FileSystem.get(new URI(uri), config);
-      }
-    });
-
-    final Token<DelegationTokenIdentifier> token = webhdfs.getDelegationToken("JobTracker");
-    DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
-    byte[] tokenId = token.getIdentifier();
-    identifier.readFields(new DataInputStream(new ByteArrayInputStream(tokenId)));
-    LOG.info("A valid token should have non-null password, and should be renewed successfully");
-    Assert.assertTrue(null != dtSecretManager.retrievePassword(identifier));
-    dtSecretManager.renewToken(token, "JobTracker");
-  }
-
   @Test
   public void testDelegationTokenWithDoAs() throws Exception {
     final DistributedFileSystem dfs = (DistributedFileSystem) cluster.getFileSystem();

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestHost2NodesMap.java

@@ -18,34 +18,31 @@
 
 package org.apache.hadoop.hdfs.server.blockmanagement;
 
-import static org.junit.Assert.assertFalse;
+import junit.framework.TestCase;
-import static org.junit.Assert.assertTrue;
 
 import org.apache.hadoop.hdfs.protocol.DatanodeID;
-import org.junit.Before;
+import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
-import org.junit.Test;
+import org.apache.hadoop.hdfs.server.blockmanagement.Host2NodesMap;
 
-public class TestHost2NodesMap {
+public class TestHost2NodesMap extends TestCase {
-  private Host2NodesMap map = new Host2NodesMap();
+  static private Host2NodesMap map = new Host2NodesMap();
-  private final DatanodeDescriptor dataNodes[] = new DatanodeDescriptor[] {
+  private final static DatanodeDescriptor dataNodes[] = new DatanodeDescriptor[] {
     new DatanodeDescriptor(new DatanodeID("h1:5020"), "/d1/r1"),
     new DatanodeDescriptor(new DatanodeID("h2:5020"), "/d1/r1"),
     new DatanodeDescriptor(new DatanodeID("h3:5020"), "/d1/r2"),
     new DatanodeDescriptor(new DatanodeID("h3:5030"), "/d1/r2"),
   };
-  private final DatanodeDescriptor NULL_NODE = null; 
+  private final static DatanodeDescriptor NULL_NODE = null; 
-  private final DatanodeDescriptor NODE = new DatanodeDescriptor(new DatanodeID("h3:5040"),
+  private final static DatanodeDescriptor NODE = 
-      "/d1/r4");
+    new DatanodeDescriptor(new DatanodeID("h3:5040"), "/d1/r4");
 
-  @Before
+  static {
-  public void setup() {
     for(DatanodeDescriptor node:dataNodes) {
       map.add(node);
     }
     map.add(NULL_NODE);
   }
   
-  @Test
   public void testContains() throws Exception {
     for(int i=0; i<dataNodes.length; i++) {
       assertTrue(map.contains(dataNodes[i]));
@@ -54,7 +51,6 @@ public void testContains() throws Exception {
     assertFalse(map.contains(NODE));
   }
 
-  @Test
   public void testGetDatanodeByHost() throws Exception {
     assertTrue(map.getDatanodeByHost("h1")==dataNodes[0]);
     assertTrue(map.getDatanodeByHost("h2")==dataNodes[1]);
@@ -63,7 +59,6 @@ public void testGetDatanodeByHost() throws Exception {
     assertTrue(null==map.getDatanodeByHost("h4"));
   }
 
-  @Test
   public void testGetDatanodeByName() throws Exception {
     assertTrue(map.getDatanodeByName("h1:5020")==dataNodes[0]);
     assertTrue(map.getDatanodeByName("h1:5030")==null);
@@ -76,7 +71,6 @@ public void testGetDatanodeByName() throws Exception {
     assertTrue(map.getDatanodeByName(null)==null);
   }
 
-  @Test
   public void testRemove() throws Exception {
     assertFalse(map.remove(NODE));
     

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestMulitipleNNDataBlockScanner.java

@@ -96,8 +96,7 @@ public void testBlockScannerAfterRefresh() throws IOException,
 
       String bpidToShutdown = cluster.getNamesystem(2).getBlockPoolId();
       for (int i = 0; i < 2; i++) {
-        String nsId = DFSUtil.getNamenodeNameServiceId(cluster
+        String nsId = DFSUtil.getNameServiceId(cluster.getConfiguration(i));
-            .getConfiguration(i));
         namenodesBuilder.append(nsId);
         namenodesBuilder.append(",");
       }
@@ -117,7 +116,7 @@ public void testBlockScannerAfterRefresh() throws IOException,
         LOG.info(ex.getMessage());
       }
 
-      namenodesBuilder.append(DFSUtil.getNamenodeNameServiceId(cluster
+      namenodesBuilder.append(DFSUtil.getNameServiceId(cluster
           .getConfiguration(2)));
       conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, namenodesBuilder
           .toString());

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestReplicasMap.java

@@ -17,24 +17,21 @@
  */
 package org.apache.hadoop.hdfs.server.datanode;
 
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.fail;
-
 import org.apache.hadoop.hdfs.protocol.Block;
-import org.junit.Before;
+import static org.junit.Assert.*;
+import org.junit.BeforeClass;
 import org.junit.Test;
 
 /**
  * Unit test for ReplicasMap class
  */
 public class TestReplicasMap {
-  private final ReplicasMap map = new ReplicasMap(TestReplicasMap.class);
+  private static final ReplicasMap map = new ReplicasMap(TestReplicasMap.class);
-  private final String bpid = "BP-TEST";
+  private static final String bpid = "BP-TEST";
-  private final  Block block = new Block(1234, 1234, 1234);
+  private static final  Block block = new Block(1234, 1234, 1234);
   
-  @Before
+  @BeforeClass
-  public void setup() {
+  public static void setup() {
     map.add(bpid, new FinalizedReplica(block, null, null));
   }
   

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSImageTestUtil.java

@@ -412,11 +412,4 @@ public static void logStorageContents(Log LOG, NNStorage storage) {
   public static FSImage getFSImage(NameNode node) {
     return node.getFSImage();
   }
-
-  /**
-   * get NameSpace quota.
-   */
-  public static long getNSQuota(FSNamesystem ns) {
-    return ns.dir.rootDir.getNsQuota();
-  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestProcessCorruptBlocks.java

@@ -1,290 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.hdfs.server.namenode;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-import java.io.File;
-import java.io.IOException;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hdfs.DFSConfigKeys;
-import org.apache.hadoop.hdfs.DFSTestUtil;
-import org.apache.hadoop.hdfs.HdfsConfiguration;
-import org.apache.hadoop.hdfs.MiniDFSCluster;
-import org.apache.hadoop.hdfs.MiniDFSCluster.DataNodeProperties;
-import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
-import org.apache.hadoop.hdfs.server.blockmanagement.NumberReplicas;
-import org.junit.Test;
-
-public class TestProcessCorruptBlocks {
-  /**
-   * The corrupt block has to be removed when the number of valid replicas
-   * matches replication factor for the file. In this the above condition is
-   * tested by reducing the replication factor 
-   * The test strategy : 
-   *   Bring up Cluster with 3 DataNodes
-   *   Create a file of replication factor 3 
-   *   Corrupt one replica of a block of the file 
-   *   Verify that there are still 2 good replicas and 1 corrupt replica
-   *    (corrupt replica should not be removed since number of good
-   *     replicas (2) is less than replication factor (3))
-   *   Set the replication factor to 2 
-   *   Verify that the corrupt replica is removed. 
-   *     (corrupt replica  should not be removed since number of good
-   *      replicas (2) is equal to replication factor (2))
-   */
-  @Test
-  public void testWhenDecreasingReplication() throws IOException {
-    Configuration conf = new HdfsConfiguration();
-    conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 1000L);
-    conf.set(DFSConfigKeys.DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_KEY, Integer.toString(2));
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
-    FileSystem fs = cluster.getFileSystem();
-    final FSNamesystem namesystem = cluster.getNamesystem();
-
-    try {
-      final Path fileName = new Path("/foo1");
-      DFSTestUtil.createFile(fs, fileName, 2, (short) 3, 0L);
-      DFSTestUtil.waitReplication(fs, fileName, (short) 3);
-
-      ExtendedBlock block = DFSTestUtil.getFirstBlock(fs, fileName);
-      corruptBlock(cluster, fs, fileName, 0, block);
-
-      DFSTestUtil.waitReplication(fs, fileName, (short) 2);
-
-      assertEquals(2, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(1, countReplicas(namesystem, block).corruptReplicas());
-
-      namesystem.setReplication(fileName.toString(), (short) 2);
-
-      // wait for 3 seconds so that all block reports are processed.
-      try {
-        Thread.sleep(3000);
-      } catch (InterruptedException ignored) {
-      }
-
-      assertEquals(2, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(0, countReplicas(namesystem, block).corruptReplicas());
-
-    } finally {
-      cluster.shutdown();
-    }
-  }
-
-  /**
-   * The corrupt block has to be removed when the number of valid replicas
-   * matches replication factor for the file. In this test, the above 
-   * condition is achieved by increasing the number of good replicas by 
-   * replicating on a new Datanode. 
-   * The test strategy : 
-   *   Bring up Cluster with 3 DataNodes
-   *   Create a file  of replication factor 3
-   *   Corrupt one replica of a block of the file 
-   *   Verify that there are still 2 good replicas and 1 corrupt replica 
-   *     (corrupt replica should not be removed since number of good replicas
-   *      (2) is less  than replication factor (3)) 
-   *   Start a new data node 
-   *   Verify that the a new replica is created and corrupt replica is
-   *   removed.
-   * 
-   */
-  @Test
-  public void testByAddingAnExtraDataNode() throws IOException {
-    Configuration conf = new HdfsConfiguration();
-    conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 1000L);
-    conf.set(DFSConfigKeys.DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_KEY, Integer.toString(2));
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(4).build();
-    FileSystem fs = cluster.getFileSystem();
-    final FSNamesystem namesystem = cluster.getNamesystem();
-    DataNodeProperties dnPropsFourth = cluster.stopDataNode(3);
-
-    try {
-      final Path fileName = new Path("/foo1");
-      DFSTestUtil.createFile(fs, fileName, 2, (short) 3, 0L);
-      DFSTestUtil.waitReplication(fs, fileName, (short) 3);
-
-      ExtendedBlock block = DFSTestUtil.getFirstBlock(fs, fileName);
-      corruptBlock(cluster, fs, fileName, 0, block);
-
-      DFSTestUtil.waitReplication(fs, fileName, (short) 2);
-
-      assertEquals(2, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(1, countReplicas(namesystem, block).corruptReplicas());
-
-      cluster.restartDataNode(dnPropsFourth);
-
-      DFSTestUtil.waitReplication(fs, fileName, (short) 3);
-
-      assertEquals(3, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(0, countReplicas(namesystem, block).corruptReplicas());
-    } finally {
-      cluster.shutdown();
-    }
-  }
-
-  /**
-   * The corrupt block has to be removed when the number of valid replicas
-   * matches replication factor for the file. The above condition should hold
-   * true as long as there is one good replica. This test verifies that.
-   * 
-   * The test strategy : 
-   *   Bring up Cluster with 2 DataNodes
-   *   Create a file of replication factor 2 
-   *   Corrupt one replica of a block of the file 
-   *   Verify that there is  one good replicas and 1 corrupt replica 
-   *     (corrupt replica should not be removed since number of good 
-   *     replicas (1) is less than replication factor (2)).
-   *   Set the replication factor to 1 
-   *   Verify that the corrupt replica is removed. 
-   *     (corrupt replica should  be removed since number of good
-   *      replicas (1) is equal to replication factor (1))
-   */
-  @Test
-  public void testWithReplicationFactorAsOne() throws IOException {
-    Configuration conf = new HdfsConfiguration();
-    conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 1000L);
-    conf.set(DFSConfigKeys.DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_KEY, Integer.toString(2));
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
-    FileSystem fs = cluster.getFileSystem();
-    final FSNamesystem namesystem = cluster.getNamesystem();
-
-    try {
-      final Path fileName = new Path("/foo1");
-      DFSTestUtil.createFile(fs, fileName, 2, (short) 2, 0L);
-      DFSTestUtil.waitReplication(fs, fileName, (short) 2);
-
-      ExtendedBlock block = DFSTestUtil.getFirstBlock(fs, fileName);
-      corruptBlock(cluster, fs, fileName, 0, block);
-
-      DFSTestUtil.waitReplication(fs, fileName, (short) 1);
-
-      assertEquals(1, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(1, countReplicas(namesystem, block).corruptReplicas());
-
-      namesystem.setReplication(fileName.toString(), (short) 1);
-
-      // wait for 3 seconds so that all block reports are processed.
-      try {
-        Thread.sleep(3000);
-      } catch (InterruptedException ignored) {
-      }
-
-      assertEquals(1, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(0, countReplicas(namesystem, block).corruptReplicas());
-
-    } finally {
-      cluster.shutdown();
-    }
-  }
-
-  /**
-   * None of the blocks can be removed if all blocks are corrupt.
-   * 
-   * The test strategy : 
-   *    Bring up Cluster with 3 DataNodes
-   *    Create a file of replication factor 3 
-   *    Corrupt all three replicas 
-   *    Verify that all replicas are corrupt and 3 replicas are present.
-   *    Set the replication factor to 1 
-   *    Verify that all replicas are corrupt and 3 replicas are present.
-   */
-  @Test
-  public void testWithAllCorruptReplicas() throws IOException {
-    Configuration conf = new HdfsConfiguration();
-    conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 1000L);
-    conf.set(DFSConfigKeys.DFS_NAMENODE_REPLICATION_PENDING_TIMEOUT_SEC_KEY, Integer.toString(2));
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
-    FileSystem fs = cluster.getFileSystem();
-    final FSNamesystem namesystem = cluster.getNamesystem();
-
-    try {
-      final Path fileName = new Path("/foo1");
-      DFSTestUtil.createFile(fs, fileName, 2, (short) 3, 0L);
-      DFSTestUtil.waitReplication(fs, fileName, (short) 3);
-
-      ExtendedBlock block = DFSTestUtil.getFirstBlock(fs, fileName);
-      corruptBlock(cluster, fs, fileName, 0, block);
-
-      corruptBlock(cluster, fs, fileName, 1, block);
-
-      corruptBlock(cluster, fs, fileName, 2, block);
-
-      // wait for 3 seconds so that all block reports are processed.
-      try {
-        Thread.sleep(3000);
-      } catch (InterruptedException ignored) {
-      }
-
-      assertEquals(0, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(3, countReplicas(namesystem, block).corruptReplicas());
-
-      namesystem.setReplication(fileName.toString(), (short) 1);
-
-      // wait for 3 seconds so that all block reports are processed.
-      try {
-        Thread.sleep(3000);
-      } catch (InterruptedException ignored) {
-      }
-
-      assertEquals(0, countReplicas(namesystem, block).liveReplicas());
-      assertEquals(3, countReplicas(namesystem, block).corruptReplicas());
-
-    } finally {
-      cluster.shutdown();
-    }
-  }
-
-  private static NumberReplicas countReplicas(final FSNamesystem namesystem, ExtendedBlock block) {
-    return namesystem.getBlockManager().countNodes(block.getLocalBlock());
-  }
-
-  private void corruptBlock(MiniDFSCluster cluster, FileSystem fs, final Path fileName,
-      int dnIndex, ExtendedBlock block) throws IOException {
-    // corrupt the block on datanode dnIndex
-    // the indexes change once the nodes are restarted.
-    // But the datadirectory will not change
-    assertTrue(MiniDFSCluster.corruptReplica(dnIndex, block));
-
-    DataNodeProperties dnProps = cluster.stopDataNode(0);
-
-    // Each datanode has multiple data dirs, check each
-    for (int dirIndex = 0; dirIndex < 2; dirIndex++) {
-      final String bpid = cluster.getNamesystem().getBlockPoolId();
-      File storageDir = MiniDFSCluster.getStorageDir(dnIndex, dirIndex);
-      File dataDir = MiniDFSCluster.getFinalizedDir(storageDir, bpid);
-      File scanLogFile = new File(dataDir, "dncp_block_verification.log.curr");
-      if (scanLogFile.exists()) {
-        // wait for one minute for deletion to succeed;
-        for (int i = 0; !scanLogFile.delete(); i++) {
-          assertTrue("Could not delete log file in one minute", i < 60);
-          try {
-            Thread.sleep(1000);
-          } catch (InterruptedException ignored) {
-          }
-        }
-      }
-    }
-
-    // restart the detained so the corrupt replica will be detected
-    cluster.restartDataNode(dnProps);
-  }
-}

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsFileSystemContract.java

@@ -18,23 +18,17 @@
 
 package org.apache.hadoop.hdfs.web;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
 import java.net.URI;
-import java.net.URL;
 import java.security.PrivilegedExceptionAction;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.BlockLocation;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.FileSystemContractBaseTest;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
-import org.apache.hadoop.hdfs.web.resources.PutOpParam;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
 
@@ -120,42 +114,4 @@ public void testMkdirsFailsForSubdirectoryOfExistingFile() throws Exception {
       // also okay for HDFS.
     }    
   }
-  
-  public void testGetFileBlockLocations() throws IOException {
-    final String f = "/test/testGetFileBlockLocations";
-    createFile(path(f));
-    final BlockLocation[] computed = fs.getFileBlockLocations(new Path(f), 0L, 1L);
-    final BlockLocation[] expected = cluster.getFileSystem().getFileBlockLocations(
-        new Path(f), 0L, 1L);
-    assertEquals(expected.length, computed.length);
-    for(int i = 0; i < computed.length; i++) {
-      assertEquals(expected[i].toString(), computed[i].toString());
-    }
-  }
-
-  public void testCaseInsensitive() throws IOException {
-    final Path p = new Path("/test/testCaseInsensitive");
-    final WebHdfsFileSystem webhdfs = (WebHdfsFileSystem)fs;
-    final PutOpParam.Op op = PutOpParam.Op.MKDIRS;
-
-    //replace query with mix case letters
-    final URL url = webhdfs.toUrl(op, p);
-    WebHdfsFileSystem.LOG.info("url      = " + url);
-    final URL replaced = new URL(url.toString().replace(op.toQueryString(),
-        "Op=mkDIrs"));
-    WebHdfsFileSystem.LOG.info("replaced = " + replaced);
-
-    //connect with the replaced URL.
-    final HttpURLConnection conn = (HttpURLConnection)replaced.openConnection();
-    conn.setRequestMethod(op.getType().toString());
-    conn.connect();
-    final BufferedReader in = new BufferedReader(new InputStreamReader(
-        conn.getInputStream()));
-    for(String line; (line = in.readLine()) != null; ) {
-      WebHdfsFileSystem.LOG.info("> " + line);
-    }
-
-    //check if the command successes.
-    assertTrue(fs.getFileStatus(p).isDirectory());
-  }
 }

hadoop-mapreduce-project/CHANGES.txt

@@ -29,8 +29,6 @@ Trunk (unreleased changes)
     findBugs, correct links to findBugs artifacts and no links to the
     artifacts when there are no warnings. (Tom White via vinodkv).
 
-    MAPREDUCE-3081. Fix vaidya startup script. (gkesavan via suhas).
-
 Release 0.23.0 - Unreleased
 
   INCOMPATIBLE CHANGES
@@ -72,9 +70,6 @@ Release 0.23.0 - Unreleased
     MAPREDUCE-2037. Capture intermediate progress, CPU and memory usage for
     tasks. (Dick King via acmurthy) 
 
-    MAPREDUCE-2930. Added the ability to be able to generate graphs from the
-    state-machine definitions. (Binglin Chang via vinodkv)
-
   IMPROVEMENTS
 
     MAPREDUCE-2187. Reporter sends progress during sort/merge. (Anupam Seth via
@@ -312,15 +307,6 @@ Release 0.23.0 - Unreleased
     MAPREDUCE-2726. Added job-file to the AM and JobHistoryServer web
     interfaces. (Jeffrey Naisbitt via vinodkv)
 
-    MAPREDUCE-3055. Simplified ApplicationAttemptId passing to
-    ApplicationMaster via environment variable. (vinodkv)
-
-    MAPREDUCE-3092. Removed a special comparator for JobIDs in JobHistory as
-    JobIDs are already comparable. (Devaraj K via vinodkv)
-
-    MAPREDUCE-3099. Add docs for setting up a single node MRv2 cluster.
-    (mahadev)
-
   OPTIMIZATIONS
 
     MAPREDUCE-2026. Make JobTracker.getJobCounters() and
@@ -332,9 +318,6 @@ Release 0.23.0 - Unreleased
 
     MAPREDUCE-901. Efficient framework counters. (llu via acmurthy)
 
-    MAPREDUCE-2880. Improve classpath-construction for mapreduce AM and
-    containers. (Arun C Murthy via vinodkv)
-
   BUG FIXES
 
     MAPREDUCE-2603. Disable High-Ram emulation in system tests. 
@@ -1387,91 +1370,6 @@ Release 0.23.0 - Unreleased
     YarnClientProtocolProvider and ensured MiniMRYarnCluster sets JobHistory
     configuration for tests. (acmurthy) 
 
-    MAPREDUCE-3018. Fixed -file option for streaming. (mahadev via acmurthy) 
-
-    MAPREDUCE-3036. Fixed metrics for reserved resources in CS. (Robert Evans
-    via acmurthy)
-
-    MAPREDUCE-2998. Fixed a bug in TaskAttemptImpl which caused it to fork
-    bin/mapred too many times. (vinodkv via acmurthy)
-
-    MAPREDUCE-3023. Fixed clients to display queue state correctly. (Ravi
-    Prakash via acmurthy) 
-
-    MAPREDUCE-2970. Fixed NPEs in corner cases with different configurations
-    for mapreduce.framework.name. (Venu Gopala Rao via vinodkv)
-
-    MAPREDUCE-3062. Fixed default RMAdmin address. (Chris Riccomini
-    via acmurthy) 
-
-    MAPREDUCE-3066. Fixed default ResourceTracker address for the NodeManager. 
-    (Chris Riccomini via acmurthy) 
-
-    MAPREDUCE-3044. Pipes jobs stuck without making progress. (mahadev)
-
-    MAPREDUCE-2754. Fixed MR AM stdout, stderr and syslog to redirect to
-    correct log-files. (Ravi Teja Ch N V via vinodkv)
-
-    MAPREDUCE-3073. Fixed build issues in MR1. (mahadev via acmurthy)
-
-    MAPREDUCE-2691. Increase threadpool size for launching containers in
-    MapReduce ApplicationMaster. (vinodkv via acmurthy)
-
-
-    MAPREDUCE-2990. Fixed display of NodeHealthStatus. (Subroto Sanyal via
-    acmurthy) 
-
-    MAPREDUCE-3053. Better diagnostic message for unknown methods in ProtoBuf
-    RPCs. (vinodkv via acmurthy)
-
-    MAPREDUCE-2952. Fixed ResourceManager/MR-client to consume diagnostics
-    for AM failures in a couple of corner cases. (Arun C Murthy via vinodkv)
-
-    MAPREDUCE-3064. 27 unit test failures with Invalid 
-    "mapreduce.jobtracker.address" configuration value for 
-    JobTracker: "local" (Venu Gopala Rao via mahadev)
-
-    MAPREDUCE-3090. Fix MR AM to use ApplicationAttemptId rather than
-    (ApplicationId, startCount) consistently. (acmurthy)  
-
-    MAPREDUCE-2646. Fixed AMRMProtocol to return containers based on
-    priority. (Sharad Agarwal and Arun C Murthy via vinodkv)
-
-    MAPREDUCE-3031. Proper handling of killed containers to prevent stuck
-    containers/AMs on an external kill signal. (Siddharth Seth via vinodkv)
-
-    MAPREDUCE-2984. Better error message for displaying completed containers.
-    (Devaraj K via acmurthy)
-
-    MAPREDUCE-3071. app master configuration web UI link under the Job menu 
-    opens up application menu. (thomas graves  via mahadev)
-
-    MAPREDUCE-3067. Ensure exit-code is set correctly for containers. (Hitesh
-    Shah via acmurthy)
-
-    MAPREDUCE-2999. Fix YARN webapp framework to properly filter servlet
-    paths. (Thomas Graves via vinodkv)
-
-    MAPREDUCE-3095. fairscheduler ivy including wrong version for hdfs.
-    (John George via mahadev)
-
-    MAPREDUCE-3054. Unable to kill submitted jobs. (mahadev)
-
-    MAPREDUCE-3021. Change base urls for RM web-ui. (Thomas Graves via
-    acmurthy) 
-
-    MAPREDUCE-3041. Fixed ClientRMProtocol to provide min/max resource
-    capabilities along-with new ApplicationId for application submission.
-    (Hitesh Shah via acmurthy)
-
-    MAPREDUCE-2843. Fixed the node-table to be completely displayed and making
-    node entries on RM UI to be sortable. (Abhijit Suresh Shingate via vinodkv)
-
-    MAPREDUCE-3110. Fixed TestRPC failure. (vinodkv)
-
-    MAPREDUCE-3078. Ensure MapReduce AM reports progress correctly for
-    displaying on the RM Web-UI. (vinodkv via acmurthy)
-
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/pom.xml

@@ -55,12 +55,6 @@
       <artifactId>hadoop-yarn-server-resourcemanager</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.apache.hadoop</groupId>
-      <artifactId>hadoop-yarn-server-resourcemanager</artifactId>
-      <type>test-jar</type>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-mapreduce-client-shuffle</artifactId>
@@ -119,41 +113,4 @@
       </plugin>
     </plugins>
   </build>
-
-  <profiles>
-    <profile>
-      <id>visualize</id>
-      <activation>
-        <activeByDefault>false</activeByDefault>
-      </activation>
-      <build>
-        <plugins>
-          <plugin>
-            <groupId>org.codehaus.mojo</groupId>
-            <artifactId>exec-maven-plugin</artifactId>
-            <version>1.2</version>
-            <executions>
-              <execution>
-                <phase>compile</phase>
-                <goals>
-                  <goal>java</goal>
-                </goals>
-                <configuration>
-                  <classpathScope>test</classpathScope>
-                  <mainClass>org.apache.hadoop.yarn.util.VisualizeStateMachine</mainClass>
-                  <arguments>
-                    <argument>MapReduce</argument>
-                    <argument>org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl,
-                      org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl,
-                      org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl</argument>
-                    <argument>MapReduce.gv</argument>
-                  </arguments>
-                </configuration>
-              </execution>
-            </executions>
-          </plugin>
-        </plugins>
-      </build>
-    </profile>
-  </profiles>
 </project>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/MapReduceChildJVM.java

@@ -18,27 +18,27 @@
 
 package org.apache.hadoop.mapred;
 
+import java.io.File;
 import java.net.InetSocketAddress;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Vector;
 
-import org.apache.hadoop.fs.Path;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.mapred.TaskLog.LogName;
 import org.apache.hadoop.mapreduce.ID;
-import org.apache.hadoop.mapreduce.MRJobConfig;
-import org.apache.hadoop.mapreduce.v2.util.MRApps;
-import org.apache.hadoop.yarn.api.ApplicationConstants;
-import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
 import org.apache.hadoop.util.StringUtils;
-import org.apache.hadoop.yarn.conf.YarnConfiguration;
 
 public class MapReduceChildJVM {
+  private static final String SYSTEM_PATH_SEPARATOR = 
+    System.getProperty("path.separator");
 
-  private static String getTaskLogFile(LogName filter) {
+  private static final Log LOG = LogFactory.getLog(MapReduceChildJVM.class);
-    return ApplicationConstants.LOG_DIR_EXPANSION_VAR + Path.SEPARATOR + 
+
-        filter.toString();
+  private static File getTaskLogFile(String logDir, LogName filter) {
+    return new File(logDir, filter.toString());
   }
 
   private static String getChildEnv(JobConf jobConf, boolean isMap) {
@@ -50,53 +50,32 @@ private static String getChildEnv(JobConf jobConf, boolean isMap) {
         jobConf.get(jobConf.MAPRED_TASK_ENV));
   }
 
-  private static String getChildLogLevel(JobConf conf, boolean isMap) {
+  public static void setVMEnv(Map<String, String> env,
-    if (isMap) {
+      List<String> classPaths, String pwd, String containerLogDir,
-      return conf.get(
+      String nmLdLibraryPath, Task task, CharSequence applicationTokensFile) {
-          MRJobConfig.MAP_LOG_LEVEL, 
-          JobConf.DEFAULT_LOG_LEVEL.toString()
-          );
-    } else {
-      return conf.get(
-          MRJobConfig.REDUCE_LOG_LEVEL, 
-          JobConf.DEFAULT_LOG_LEVEL.toString()
-          );
-    }
-  }
-  
-  public static void setVMEnv(Map<String, String> environment,
-      Task task) {
 
     JobConf conf = task.conf;
 
-    // Shell
+    // Add classpath.
-    environment.put(
+    CharSequence cp = env.get("CLASSPATH");
-        Environment.SHELL.name(), 
+    String classpath = StringUtils.join(SYSTEM_PATH_SEPARATOR, classPaths);
-        conf.get(
+    if (null == cp) {
-            MRJobConfig.MAPRED_ADMIN_USER_SHELL, 
+      env.put("CLASSPATH", classpath);
-            MRJobConfig.DEFAULT_SHELL)
+    } else {
-            );
+      env.put("CLASSPATH", classpath + SYSTEM_PATH_SEPARATOR + cp);
-    
+    }
-    // Add pwd to LD_LIBRARY_PATH, add this before adding anything else
-    MRApps.addToEnvironment(
-        environment, 
-        Environment.LD_LIBRARY_PATH.name(), 
-        Environment.PWD.$());
 
-    // Add the env variables passed by the user & admin
+    /////// Environmental variable LD_LIBRARY_PATH
-    String mapredChildEnv = getChildEnv(conf, task.isMapTask());
+    StringBuilder ldLibraryPath = new StringBuilder();
-    MRApps.setEnvFromInputString(environment, mapredChildEnv);
-    MRApps.setEnvFromInputString(
-        environment, 
-        conf.get(
-            MRJobConfig.MAPRED_ADMIN_USER_ENV, 
-            MRJobConfig.DEFAULT_MAPRED_ADMIN_USER_ENV)
-        );
 
-    // Set logging level
+    ldLibraryPath.append(nmLdLibraryPath);
-    environment.put(
+    ldLibraryPath.append(SYSTEM_PATH_SEPARATOR);
-        "HADOOP_ROOT_LOGGER", 
+    ldLibraryPath.append(pwd);
-        getChildLogLevel(conf, task.isMapTask()) + ",CLA"); 
+    env.put("LD_LIBRARY_PATH", ldLibraryPath.toString());
+    /////// Environmental variable LD_LIBRARY_PATH
+
+    // for the child of task jvm, set hadoop.root.logger
+    env.put("HADOOP_ROOT_LOGGER", "DEBUG,CLA"); // TODO: Debug
 
     // TODO: The following is useful for instance in streaming tasks. Should be
     // set in ApplicationMaster's env by the RM.
@@ -110,69 +89,76 @@ public static void setVMEnv(Map<String, String> environment,
     // properties.
     long logSize = TaskLog.getTaskLogLength(conf);
     Vector<String> logProps = new Vector<String>(4);
-    setupLog4jProperties(logProps, logSize);
+    setupLog4jProperties(logProps, logSize, containerLogDir);
     Iterator<String> it = logProps.iterator();
     StringBuffer buffer = new StringBuffer();
     while (it.hasNext()) {
       buffer.append(" " + it.next());
     }
     hadoopClientOpts = hadoopClientOpts + buffer.toString();
-    environment.put("HADOOP_CLIENT_OPTS", hadoopClientOpts);
+    
+    env.put("HADOOP_CLIENT_OPTS", hadoopClientOpts);
 
-    // Add stdout/stderr env
+    // add the env variables passed by the user
-    environment.put(
+    String mapredChildEnv = getChildEnv(conf, task.isMapTask());
-        MRJobConfig.STDOUT_LOGFILE_ENV,
+    if (mapredChildEnv != null && mapredChildEnv.length() > 0) {
-        getTaskLogFile(TaskLog.LogName.STDOUT)
+      String childEnvs[] = mapredChildEnv.split(",");
-        );
+      for (String cEnv : childEnvs) {
-    environment.put(
+        String[] parts = cEnv.split("="); // split on '='
-        MRJobConfig.STDERR_LOGFILE_ENV,
+        String value = (String) env.get(parts[0]);
-        getTaskLogFile(TaskLog.LogName.STDERR)
+        if (value != null) {
-        );
+          // replace $env with the child's env constructed by tt's
+          // example LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/tmp
+          value = parts[1].replace("$" + parts[0], value);
+        } else {
+          // this key is not configured by the tt for the child .. get it 
+          // from the tt's env
+          // example PATH=$PATH:/tmp
+          value = System.getenv(parts[0]); // Get from NM?
+          if (value != null) {
+            // the env key is present in the tt's env
+            value = parts[1].replace("$" + parts[0], value);
+          } else {
+            // the env key is note present anywhere .. simply set it
+            // example X=$X:/tmp or X=/tmp
+            value = parts[1].replace("$" + parts[0], "");
+          }
+        }
+        env.put(parts[0], value);
+      }
+    }
+
+    //This should not be set here (If an OS check is requied. moved to ContainerLuanch)
+    // env.put("JVM_PID", "`echo $$`");
+
+    env.put(Constants.STDOUT_LOGFILE_ENV,
+        getTaskLogFile(containerLogDir, TaskLog.LogName.STDOUT).toString());
+    env.put(Constants.STDERR_LOGFILE_ENV,
+        getTaskLogFile(containerLogDir, TaskLog.LogName.STDERR).toString());
   }
 
   private static String getChildJavaOpts(JobConf jobConf, boolean isMapTask) {
-    String userClasspath = "";
-    String adminClasspath = "";
     if (isMapTask) {
-      userClasspath = 
+      return jobConf.get(JobConf.MAPRED_MAP_TASK_JAVA_OPTS, jobConf.get(
-          jobConf.get(
+          JobConf.MAPRED_TASK_JAVA_OPTS,
-              JobConf.MAPRED_MAP_TASK_JAVA_OPTS, 
+          JobConf.DEFAULT_MAPRED_TASK_JAVA_OPTS));
-              jobConf.get(
-                  JobConf.MAPRED_TASK_JAVA_OPTS, 
-                  JobConf.DEFAULT_MAPRED_TASK_JAVA_OPTS)
-          );
-      adminClasspath = 
-          jobConf.get(
-              MRJobConfig.MAPRED_MAP_ADMIN_JAVA_OPTS,
-              MRJobConfig.DEFAULT_MAPRED_ADMIN_JAVA_OPTS);
-    } else {
-      userClasspath =
-          jobConf.get(
-              JobConf.MAPRED_REDUCE_TASK_JAVA_OPTS, 
-              jobConf.get(
-                  JobConf.MAPRED_TASK_JAVA_OPTS,
-                  JobConf.DEFAULT_MAPRED_TASK_JAVA_OPTS)
-              );
-      adminClasspath =
-          jobConf.get(
-              MRJobConfig.MAPRED_REDUCE_ADMIN_JAVA_OPTS,
-              MRJobConfig.DEFAULT_MAPRED_ADMIN_JAVA_OPTS);
     }
-    
+    return jobConf
-    // Add admin classpath first so it can be overridden by user.
+        .get(JobConf.MAPRED_REDUCE_TASK_JAVA_OPTS, jobConf.get(
-    return adminClasspath + " " + userClasspath;
+            JobConf.MAPRED_TASK_JAVA_OPTS,
+            JobConf.DEFAULT_MAPRED_TASK_JAVA_OPTS));
   }
 
   private static void setupLog4jProperties(Vector<String> vargs,
-      long logSize) {
+      long logSize, String containerLogDir) {
     vargs.add("-Dlog4j.configuration=container-log4j.properties");
-    vargs.add("-D" + MRJobConfig.TASK_LOG_DIR + "=" + ApplicationConstants.LOG_DIR_EXPANSION_VAR);
+    vargs.add("-Dhadoop.yarn.mr.containerLogDir=" + containerLogDir);
-    vargs.add("-D" + MRJobConfig.TASK_LOG_SIZE + "=" + logSize);
+    vargs.add("-Dhadoop.yarn.mr.totalLogFileSize=" + logSize);
   }
 
   public static List<String> getVMCommand(
-      InetSocketAddress taskAttemptListenerAddr, Task task, 
+      InetSocketAddress taskAttemptListenerAddr, Task task, String javaHome,
-      ID jvmID) {
+      String workDir, String logDir, String childTmpDir, ID jvmID) {
 
     TaskAttemptID attemptID = task.getTaskID();
     JobConf conf = task.conf;
@@ -180,7 +166,7 @@ public static List<String> getVMCommand(
     Vector<String> vargs = new Vector<String>(8);
 
     vargs.add("exec");
-    vargs.add(Environment.JAVA_HOME.$() + "/bin/java");
+    vargs.add(javaHome + "/bin/java");
 
     // Add child (task) java-vm options.
     //
@@ -213,26 +199,44 @@ public static List<String> getVMCommand(
     String javaOpts = getChildJavaOpts(conf, task.isMapTask());
     javaOpts = javaOpts.replace("@taskid@", attemptID.toString());
     String [] javaOptsSplit = javaOpts.split(" ");
+    
+    // Add java.library.path; necessary for loading native libraries.
+    //
+    // 1. We add the 'cwd' of the task to it's java.library.path to help 
+    //    users distribute native libraries via the DistributedCache.
+    // 2. The user can also specify extra paths to be added to the 
+    //    java.library.path via mapred.{map|reduce}.child.java.opts.
+    //
+    String libraryPath = workDir;
+    boolean hasUserLDPath = false;
+    for(int i=0; i<javaOptsSplit.length ;i++) { 
+      if(javaOptsSplit[i].startsWith("-Djava.library.path=")) {
+        // TODO: Does the above take care of escaped space chars
+        javaOptsSplit[i] += SYSTEM_PATH_SEPARATOR + libraryPath;
+        hasUserLDPath = true;
+        break;
+      }
+    }
+    if(!hasUserLDPath) {
+      vargs.add("-Djava.library.path=" + libraryPath);
+    }
     for (int i = 0; i < javaOptsSplit.length; i++) {
       vargs.add(javaOptsSplit[i]);
     }
 
-    String childTmpDir = Environment.PWD.$() + Path.SEPARATOR + "tmp";
+    if (childTmpDir != null) {
-    vargs.add("-Djava.io.tmpdir=" + childTmpDir);
+      vargs.add("-Djava.io.tmpdir=" + childTmpDir);
+    }
 
     // Setup the log4j prop
     long logSize = TaskLog.getTaskLogLength(conf);
-    setupLog4jProperties(vargs, logSize);
+    setupLog4jProperties(vargs, logSize, logDir);
 
     if (conf.getProfileEnabled()) {
       if (conf.getProfileTaskRange(task.isMapTask()
                                    ).isIncluded(task.getPartition())) {
-        vargs.add(
+        File prof = getTaskLogFile(logDir, TaskLog.LogName.PROFILE);
-            String.format(
+        vargs.add(String.format(conf.getProfileParams(), prof.toString()));
-                conf.getProfileParams(), 
-                getTaskLogFile(TaskLog.LogName.PROFILE)
-                )
-            );
       }
     }
 
@@ -245,8 +249,8 @@ public static List<String> getVMCommand(
 
     // Finally add the jvmID
     vargs.add(String.valueOf(jvmID.getId()));
-    vargs.add("1>" + getTaskLogFile(TaskLog.LogName.STDOUT));
+    vargs.add("1>" + getTaskLogFile(logDir, TaskLog.LogName.STDERR));
-    vargs.add("2>" + getTaskLogFile(TaskLog.LogName.STDERR));
+    vargs.add("2>" + getTaskLogFile(logDir, TaskLog.LogName.STDOUT));
 
     // Final commmand
     StringBuilder mergedCommand = new StringBuilder();

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/YarnChild.java

@@ -47,6 +47,7 @@
 import org.apache.hadoop.mapreduce.security.TokenCache;
 import org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier;
 import org.apache.hadoop.mapreduce.security.token.JobTokenSecretManager;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
 import org.apache.hadoop.metrics2.source.JvmMetrics;
 import org.apache.hadoop.security.Credentials;
@@ -70,7 +71,7 @@ public static void main(String[] args) throws Throwable {
     LOG.debug("Child starting");
 
     final JobConf defaultConf = new JobConf();
-    defaultConf.addResource(MRJobConfig.JOB_CONF_FILE);
+    defaultConf.addResource(MRConstants.JOB_CONF_FILE);
     UserGroupInformation.setConfiguration(defaultConf);
 
     String host = args[0];
@@ -237,7 +238,7 @@ private static void configureLocalDirs(Task task, JobConf job) {
 
   private static JobConf configureTask(Task task, Credentials credentials,
       Token<JobTokenIdentifier> jt) throws IOException {
-    final JobConf job = new JobConf(MRJobConfig.JOB_CONF_FILE);
+    final JobConf job = new JobConf(MRConstants.JOB_CONF_FILE);
     job.setCredentials(credentials);
     // set tcp nodelay
     job.setBoolean("ipc.client.tcpnodelay", true);
@@ -259,7 +260,7 @@ private static JobConf configureTask(Task task, Credentials credentials,
 
     // Overwrite the localized task jobconf which is linked to in the current
     // work-dir.
-    Path localTaskFile = new Path(MRJobConfig.JOB_CONF_FILE);
+    Path localTaskFile = new Path(Constants.JOBFILE);
     writeLocalJobFile(localTaskFile, job);
     task.setJobFile(localTaskFile.toString());
     task.setConf(job);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java

@@ -39,6 +39,7 @@
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryEvent;
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler;
 import org.apache.hadoop.mapreduce.security.token.JobTokenSecretManager;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
 import org.apache.hadoop.mapreduce.v2.app.client.ClientService;
@@ -77,7 +78,6 @@
 import org.apache.hadoop.yarn.Clock;
 import org.apache.hadoop.yarn.SystemClock;
 import org.apache.hadoop.yarn.YarnException;
-import org.apache.hadoop.yarn.api.ApplicationConstants;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -88,7 +88,6 @@
 import org.apache.hadoop.yarn.service.AbstractService;
 import org.apache.hadoop.yarn.service.CompositeService;
 import org.apache.hadoop.yarn.service.Service;
-import org.apache.hadoop.yarn.util.ConverterUtils;
 
 /**
  * The Map-Reduce Application Master.
@@ -115,6 +114,8 @@ public class MRAppMaster extends CompositeService {
   private Clock clock;
   private final long startTime = System.currentTimeMillis();
   private String appName;
+  private final int startCount;
+  private final ApplicationId appID;
   private final ApplicationAttemptId appAttemptID;
   protected final MRAppMetrics metrics;
   private Set<TaskId> completedTasksFromPreviousRun;
@@ -132,16 +133,21 @@ public class MRAppMaster extends CompositeService {
 
   private Job job;
   
-  public MRAppMaster(ApplicationAttemptId applicationAttemptId) {
+  public MRAppMaster(ApplicationId applicationId, int startCount) {
-    this(applicationAttemptId, new SystemClock());
+    this(applicationId, new SystemClock(), startCount);
   }
 
-  public MRAppMaster(ApplicationAttemptId applicationAttemptId, Clock clock) {
+  public MRAppMaster(ApplicationId applicationId, Clock clock, int startCount) {
     super(MRAppMaster.class.getName());
     this.clock = clock;
-    this.appAttemptID = applicationAttemptId;
+    this.appID = applicationId;
+    this.appAttemptID = RecordFactoryProvider.getRecordFactory(null)
+        .newRecordInstance(ApplicationAttemptId.class);
+    this.appAttemptID.setApplicationId(appID);
+    this.appAttemptID.setAttemptId(startCount);
+    this.startCount = startCount;
     this.metrics = MRAppMetrics.create();
-    LOG.info("Created MRAppMaster for application " + applicationAttemptId);
+    LOG.info("Created MRAppMaster for application " + applicationId);
   }
 
   @Override
@@ -153,9 +159,9 @@ public void init(final Configuration conf) {
     appName = conf.get(MRJobConfig.JOB_NAME, "<missing app name>");
 
     if (conf.getBoolean(MRJobConfig.MR_AM_JOB_RECOVERY_ENABLE, false)
-         && appAttemptID.getAttemptId() > 1) {
+         && startCount > 1) {
       LOG.info("Recovery is enabled. Will try to recover from previous life.");
-      Recovery recoveryServ = new RecoveryService(appAttemptID, clock);
+      Recovery recoveryServ = new RecoveryService(appID, clock, startCount);
       addIfService(recoveryServ);
       dispatcher = recoveryServ.getDispatcher();
       clock = recoveryServ.getClock();
@@ -237,10 +243,10 @@ protected Job createJob(Configuration conf) {
         // Read the file-system tokens from the localized tokens-file.
         Path jobSubmitDir = 
             FileContext.getLocalFSFileContext().makeQualified(
-                new Path(new File(MRJobConfig.JOB_SUBMIT_DIR)
+                new Path(new File(MRConstants.JOB_SUBMIT_DIR)
                     .getAbsolutePath()));
         Path jobTokenFile = 
-            new Path(jobSubmitDir, MRJobConfig.APPLICATION_TOKENS_FILE);
+            new Path(jobSubmitDir, MRConstants.APPLICATION_TOKENS_FILE);
         fsTokens.addAll(Credentials.readTokenStorageFile(jobTokenFile, conf));
         LOG.info("jobSubmitDir=" + jobSubmitDir + " jobTokenFile="
             + jobTokenFile);
@@ -258,8 +264,8 @@ protected Job createJob(Configuration conf) {
     // ////////// End of obtaining the tokens needed by the job. //////////
 
     // create single job
-    Job newJob = new JobImpl(appAttemptID, conf, dispatcher.getEventHandler(),
+    Job newJob = new JobImpl(appID, conf, dispatcher.getEventHandler(),
-        taskAttemptListener, jobTokenSecretManager, fsTokens, clock,
+        taskAttemptListener, jobTokenSecretManager, fsTokens, clock, startCount,
         completedTasksFromPreviousRun, metrics, currentUser.getUserName());
     ((RunningAppContext) context).jobs.put(newJob.getID(), newJob);
 
@@ -370,11 +376,11 @@ protected ClientService createClientService(AppContext context) {
   }
 
   public ApplicationId getAppID() {
-    return appAttemptID.getApplicationId();
+    return appID;
   }
 
   public int getStartCount() {
-    return appAttemptID.getAttemptId();
+    return startCount;
   }
 
   public AppContext getContext() {
@@ -499,7 +505,7 @@ public ApplicationAttemptId getApplicationAttemptId() {
 
     @Override
     public ApplicationId getApplicationID() {
-      return appAttemptID.getApplicationId();
+      return appID;
     }
 
     @Override
@@ -549,9 +555,9 @@ public void start() {
     // It's more test friendly to put it here.
     DefaultMetricsSystem.initialize("MRAppMaster");
 
-    // create a job event for job intialization
+    /** create a job event for job intialization */
     JobEvent initJobEvent = new JobEvent(job.getID(), JobEventType.JOB_INIT);
-    // Send init to the job (this does NOT trigger job execution)
+    /** send init to the job (this does NOT trigger job execution) */
     // This is a synchronous call, not an event through dispatcher. We want
     // job-init to be done completely here.
     jobEventDispatcher.handle(initJobEvent);
@@ -642,21 +648,17 @@ public void handle(SpeculatorEvent event) {
 
   public static void main(String[] args) {
     try {
-      String applicationAttemptIdStr = System
+      //Configuration.addDefaultResource("job.xml");
-          .getenv(ApplicationConstants.APPLICATION_ATTEMPT_ID_ENV);
+      ApplicationId applicationId = RecordFactoryProvider
-      if (applicationAttemptIdStr == null) {
+          .getRecordFactory(null).newRecordInstance(ApplicationId.class);
-        String msg = ApplicationConstants.APPLICATION_ATTEMPT_ID_ENV
+      applicationId.setClusterTimestamp(Long.valueOf(args[0]));
-            + " is null";
+      applicationId.setId(Integer.valueOf(args[1]));
-        LOG.error(msg);
+      int failCount = Integer.valueOf(args[2]);
-        throw new IOException(msg);
+      MRAppMaster appMaster = new MRAppMaster(applicationId, failCount);
-      }
-      ApplicationAttemptId applicationAttemptId = ConverterUtils
-          .toApplicationAttemptId(applicationAttemptIdStr);
-      MRAppMaster appMaster = new MRAppMaster(applicationAttemptId);
       Runtime.getRuntime().addShutdownHook(
           new CompositeServiceShutdownHook(appMaster));
       YarnConfiguration conf = new YarnConfiguration(new JobConf());
-      conf.addResource(new Path(MRJobConfig.JOB_CONF_FILE));
+      conf.addResource(new Path(MRConstants.JOB_CONF_FILE));
       conf.set(MRJobConfig.USER_NAME, 
           System.getProperty("user.name")); 
       UserGroupInformation.setConfiguration(conf);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/client/MRClientService.java

@@ -149,7 +149,7 @@ public void start() {
             + ":" + server.getPort());
     LOG.info("Instantiated MRClientService at " + this.bindAddress);
     try {
-      webApp = WebApps.$for("mapreduce", AppContext.class, appContext).with(conf).
+      webApp = WebApps.$for("yarn", AppContext.class, appContext).with(conf).
           start(new AMWebApp());
     } catch (Exception e) {
       LOG.error("Webapps failed to start. Ignoring for now:", e);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/JobImpl.java

@@ -64,6 +64,7 @@
 import org.apache.hadoop.mapreduce.split.SplitMetaInfoReader;
 import org.apache.hadoop.mapreduce.task.JobContextImpl;
 import org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.mapreduce.v2.api.records.Counter;
 import org.apache.hadoop.mapreduce.v2.api.records.CounterGroup;
 import org.apache.hadoop.mapreduce.v2.api.records.Counters;
@@ -92,7 +93,6 @@
 import org.apache.hadoop.mapreduce.v2.app.job.event.TaskEventType;
 import org.apache.hadoop.mapreduce.v2.app.metrics.MRAppMetrics;
 import org.apache.hadoop.mapreduce.v2.util.MRApps;
-import org.apache.hadoop.mapreduce.v2.util.MRBuilderUtils;
 import org.apache.hadoop.security.Credentials;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.authorize.AccessControlList;
@@ -101,7 +101,6 @@
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.Clock;
 import org.apache.hadoop.yarn.YarnException;
-import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -130,11 +129,11 @@ public class JobImpl implements org.apache.hadoop.mapreduce.v2.app.job.Job,
       RecordFactoryProvider.getRecordFactory(null);
   
   //final fields
-  private final ApplicationAttemptId applicationAttemptId;
   private final Clock clock;
   private final JobACLsManager aclsManager;
   private final String username;
   private final Map<JobACL, AccessControlList> jobACLs;
+  private final int startCount;
   private final Set<TaskId> completedTasksFromPreviousRun;
   private final Lock readLock;
   private final Lock writeLock;
@@ -366,26 +365,26 @@ JobEventType.JOB_KILL, new KillTasksTransition())
   private Token<JobTokenIdentifier> jobToken;
   private JobTokenSecretManager jobTokenSecretManager;
 
-  public JobImpl(ApplicationAttemptId applicationAttemptId, Configuration conf,
+  public JobImpl(ApplicationId appID, Configuration conf,
       EventHandler eventHandler, TaskAttemptListener taskAttemptListener,
       JobTokenSecretManager jobTokenSecretManager,
-      Credentials fsTokenCredentials, Clock clock, 
+      Credentials fsTokenCredentials, Clock clock, int startCount, 
       Set<TaskId> completedTasksFromPreviousRun, MRAppMetrics metrics,
       String userName) {
-    this.applicationAttemptId = applicationAttemptId;
+
     this.jobId = recordFactory.newRecordInstance(JobId.class);
     this.jobName = conf.get(JobContext.JOB_NAME, "<missing job name>");
     this.conf = conf;
     this.metrics = metrics;
     this.clock = clock;
     this.completedTasksFromPreviousRun = completedTasksFromPreviousRun;
+    this.startCount = startCount;
     this.userName = userName;
-    ApplicationId applicationId = applicationAttemptId.getApplicationId();
+    jobId.setAppId(appID);
-    jobId.setAppId(applicationId);
+    jobId.setId(appID.getId());
-    jobId.setId(applicationId.getId());
     oldJobId = TypeConverter.fromYarn(jobId);
     LOG.info("Job created" +
-    		" appId=" + applicationId + 
+    		" appId=" + appID + 
     		" jobId=" + jobId + 
     		" oldJobId=" + oldJobId);
     
@@ -585,17 +584,25 @@ public List<String> getDiagnostics() {
   public JobReport getReport() {
     readLock.lock();
     try {
-      JobState state = getState();
+      JobReport report = recordFactory.newRecordInstance(JobReport.class);
-
+      report.setJobId(jobId);
-      if (getState() == JobState.NEW) {
+      report.setJobState(getState());
-        return MRBuilderUtils.newJobReport(jobId, jobName, username, state,
+      
-            startTime, finishTime, setupProgress, 0.0f,
+      // TODO - Fix to correctly setup report and to check state
-            0.0f, cleanupProgress);
+      if (report.getJobState() == JobState.NEW) {
+        return report;
       }
+      
+      report.setStartTime(startTime);
+      report.setFinishTime(finishTime);
+      report.setSetupProgress(setupProgress);
+      report.setCleanupProgress(cleanupProgress);
+      report.setMapProgress(computeProgress(mapTasks));
+      report.setReduceProgress(computeProgress(reduceTasks));
+      report.setJobName(jobName);
+      report.setUser(username);
 
-      return MRBuilderUtils.newJobReport(jobId, jobName, username, state,
+      return report;
-          startTime, finishTime, setupProgress, computeProgress(mapTasks),
-          computeProgress(reduceTasks), cleanupProgress);
     } finally {
       readLock.unlock();
     }
@@ -1000,7 +1007,7 @@ protected void setup(JobImpl job) throws IOException {
           FileSystem.get(job.conf).makeQualified(
               new Path(path, oldJobIDString));
       job.remoteJobConfFile =
-          new Path(job.remoteJobSubmitDir, MRJobConfig.JOB_CONF_FILE);
+          new Path(job.remoteJobSubmitDir, MRConstants.JOB_CONF_FILE);
 
       // Prepare the TaskAttemptListener server for authentication of Containers
       // TaskAttemptListener gets the information via jobTokenSecretManager.
@@ -1026,7 +1033,7 @@ protected void setup(JobImpl job) throws IOException {
 
       Path remoteJobTokenFile =
           new Path(job.remoteJobSubmitDir,
-              MRJobConfig.APPLICATION_TOKENS_FILE);
+              MRConstants.APPLICATION_TOKENS_FILE);
       tokenStorage.writeTokenStorageFile(remoteJobTokenFile, job.conf);
       LOG.info("Writing back the job-token file on the remote file system:"
           + remoteJobTokenFile.toString());
@@ -1071,8 +1078,7 @@ private void createMapTasks(JobImpl job, long inputLength,
                 job.conf, splits[i], 
                 job.taskAttemptListener, 
                 job.committer, job.jobToken, job.fsTokens.getAllTokens(), 
-                job.clock, job.completedTasksFromPreviousRun, 
+                job.clock, job.completedTasksFromPreviousRun, job.startCount,
-                job.applicationAttemptId.getAttemptId(),
                 job.metrics);
         job.addTask(task);
       }
@@ -1089,9 +1095,7 @@ private void createReduceTasks(JobImpl job) {
                 job.conf, job.numMapTasks, 
                 job.taskAttemptListener, job.committer, job.jobToken,
                 job.fsTokens.getAllTokens(), job.clock, 
-                job.completedTasksFromPreviousRun, 
+                job.completedTasksFromPreviousRun, job.startCount, job.metrics);
-                job.applicationAttemptId.getAttemptId(),
-                job.metrics);
         job.addTask(task);
       }
       LOG.info("Number of reduces for job " + job.jobId + " = "

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java

@@ -21,6 +21,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.net.InetSocketAddress;
+import java.net.URI;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -61,6 +62,7 @@
 import org.apache.hadoop.mapreduce.jobhistory.TaskAttemptUnsuccessfulCompletionEvent;
 import org.apache.hadoop.mapreduce.security.TokenCache;
 import org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.mapreduce.v2.api.records.Counter;
 import org.apache.hadoop.mapreduce.v2.api.records.Counters;
 import org.apache.hadoop.mapreduce.v2.api.records.Phase;
@@ -101,7 +103,6 @@
 import org.apache.hadoop.yarn.Clock;
 import org.apache.hadoop.yarn.YarnException;
 import org.apache.hadoop.yarn.api.ApplicationConstants;
-import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.ContainerToken;
@@ -116,6 +117,7 @@
 import org.apache.hadoop.yarn.state.SingleArcTransition;
 import org.apache.hadoop.yarn.state.StateMachine;
 import org.apache.hadoop.yarn.state.StateMachineFactory;
+import org.apache.hadoop.yarn.util.BuilderUtils;
 import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.apache.hadoop.yarn.util.RackResolver;
 
@@ -151,7 +153,7 @@ public abstract class TaskAttemptImpl implements
   private Token<JobTokenIdentifier> jobToken;
   private static AtomicBoolean initialClasspathFlag = new AtomicBoolean();
   private static String initialClasspath = null;
-  private static final Object classpathLock = new Object();
+  private final Object classpathLock = new Object();
   private long launchTime;
   private long finishTime;
   private WrappedProgressSplitsBlock progressSplitBlock;
@@ -516,8 +518,8 @@ private String getInitialClasspath() throws IOException {
         return initialClasspath;
       }
       Map<String, String> env = new HashMap<String, String>();
-      MRApps.setClasspath(env);
+      MRApps.setInitialClasspath(env);
-      initialClasspath = env.get(Environment.CLASSPATH.name());
+      initialClasspath = env.get(MRApps.CLASSPATH);
       initialClasspathFlag.set(true);
       return initialClasspath;
     }
@@ -529,18 +531,16 @@ private String getInitialClasspath() throws IOException {
    */
   private ContainerLaunchContext createContainerLaunchContext() {
 
+    ContainerLaunchContext container =
+        recordFactory.newRecordInstance(ContainerLaunchContext.class);
+
     // Application resources
     Map<String, LocalResource> localResources = 
         new HashMap<String, LocalResource>();
     
     // Application environment
     Map<String, String> environment = new HashMap<String, String>();
-
+    
-    // Service data
-    Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
-
-    // Tokens
-    ByteBuffer tokens = ByteBuffer.wrap(new byte[]{});
     try {
       FileSystem remoteFS = FileSystem.get(conf);
 
@@ -550,7 +550,7 @@ private ContainerLaunchContext createContainerLaunchContext() {
               MRJobConfig.JAR))).makeQualified(remoteFS.getUri(), 
                                                remoteFS.getWorkingDirectory());
         localResources.put(
-            MRJobConfig.JOB_JAR,
+            MRConstants.JOB_JAR,
             createLocalResource(remoteFS, recordFactory, remoteJobJar,
                 LocalResourceType.FILE, LocalResourceVisibility.APPLICATION));
         LOG.info("The job-jar file on the remote FS is "
@@ -570,9 +570,9 @@ private ContainerLaunchContext createContainerLaunchContext() {
       Path remoteJobSubmitDir =
           new Path(path, oldJobId.toString());
       Path remoteJobConfPath = 
-          new Path(remoteJobSubmitDir, MRJobConfig.JOB_CONF_FILE);
+          new Path(remoteJobSubmitDir, MRConstants.JOB_CONF_FILE);
       localResources.put(
-          MRJobConfig.JOB_CONF_FILE,
+          MRConstants.JOB_CONF_FILE,
           createLocalResource(remoteFS, recordFactory, remoteJobConfPath,
               LocalResourceType.FILE, LocalResourceVisibility.APPLICATION));
       LOG.info("The job-conf file on the remote FS is "
@@ -580,8 +580,12 @@ private ContainerLaunchContext createContainerLaunchContext() {
       // //////////// End of JobConf setup
 
       // Setup DistributedCache
-      MRApps.setupDistributedCache(conf, localResources);
+      MRApps.setupDistributedCache(conf, localResources, environment);
 
+      // Set local-resources and environment
+      container.setLocalResources(localResources);
+      container.setEnvironment(environment);
+      
       // Setup up tokens
       Credentials taskCredentials = new Credentials();
 
@@ -602,43 +606,52 @@ private ContainerLaunchContext createContainerLaunchContext() {
       LOG.info("Size of containertokens_dob is "
           + taskCredentials.numberOfTokens());
       taskCredentials.writeTokenStorageToStream(containerTokens_dob);
-      tokens = 
+      container.setContainerTokens(
           ByteBuffer.wrap(containerTokens_dob.getData(), 0,
-              containerTokens_dob.getLength());
+              containerTokens_dob.getLength()));
 
       // Add shuffle token
       LOG.info("Putting shuffle token in serviceData");
+      Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
       serviceData.put(ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID,
           ShuffleHandler.serializeServiceData(jobToken));
+      container.setServiceData(serviceData);
 
-      MRApps.addToEnvironment(
+      MRApps.addToClassPath(container.getEnvironment(), getInitialClasspath());
-          environment,  
-          Environment.CLASSPATH.name(), 
-          getInitialClasspath());
     } catch (IOException e) {
       throw new YarnException(e);
     }
-
-    // Setup environment
-    MapReduceChildJVM.setVMEnv(environment, remoteTask);
-
-    // Set up the launch command
-    List<String> commands = MapReduceChildJVM.getVMCommand(
-        taskAttemptListener.getAddress(), remoteTask,
-        jvmID);
     
+    container.setContainerId(containerID);
+    container.setUser(conf.get(MRJobConfig.USER_NAME)); // TODO: Fix
+
+    File workDir = new File("$PWD"); // Will be expanded by the shell.
+    String containerLogDir =
+        new File(ApplicationConstants.LOG_DIR_EXPANSION_VAR).toString();
+    String childTmpDir = new File(workDir, "tmp").toString();
+    String javaHome = "${JAVA_HOME}"; // Will be expanded by the shell.
+    String nmLdLibraryPath = "{LD_LIBRARY_PATH}"; // Expanded by the shell?
+    List<String> classPaths = new ArrayList<String>();
+
+    String localizedApplicationTokensFile =
+        new File(workDir, MRConstants.APPLICATION_TOKENS_FILE).toString();
+    classPaths.add(MRConstants.JOB_JAR);
+    classPaths.add(MRConstants.YARN_MAPREDUCE_APP_JAR_PATH);
+    classPaths.add(workDir.toString()); // TODO
+
+    // Construct the actual Container
+    container.setCommands(MapReduceChildJVM.getVMCommand(
+        taskAttemptListener.getAddress(), remoteTask, javaHome,
+        workDir.toString(), containerLogDir, childTmpDir, jvmID));
+
+    MapReduceChildJVM.setVMEnv(container.getEnvironment(), classPaths,
+        workDir.toString(), containerLogDir, nmLdLibraryPath, remoteTask,
+        localizedApplicationTokensFile);
+
     // Construct the actual Container
-    ContainerLaunchContext container =
-        recordFactory.newRecordInstance(ContainerLaunchContext.class);
     container.setContainerId(containerID);
     container.setUser(conf.get(MRJobConfig.USER_NAME));
     container.setResource(assignedCapability);
-    container.setLocalResources(localResources);
-    container.setEnvironment(environment);
-    container.setCommands(commands);
-    container.setServiceData(serviceData);
-    container.setContainerTokens(tokens);
-    
     return container;
   }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/launcher/ContainerLauncherImpl.java

@@ -73,8 +73,6 @@ public class ContainerLauncherImpl extends AbstractService implements
 
   private AppContext context;
   private ThreadPoolExecutor launcherPool;
-  private static final int INITIAL_POOL_SIZE = 10;
-  private int limitOnPoolSize;
   private Thread eventHandlingThread;
   private BlockingQueue<ContainerLauncherEvent> eventQueue =
       new LinkedBlockingQueue<ContainerLauncherEvent>();
@@ -98,17 +96,16 @@ public synchronized void init(Configuration conf) {
         YarnConfiguration.YARN_SECURITY_INFO,
         ContainerManagerSecurityInfo.class, SecurityInfo.class);
     this.recordFactory = RecordFactoryProvider.getRecordFactory(conf);
-    this.limitOnPoolSize = conf.getInt(
-        MRJobConfig.MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT,
-        MRJobConfig.DEFAULT_MR_AM_CONTAINERLAUNCHER_THREAD_COUNT_LIMIT);
     super.init(myLocalConfig);
   }
 
   public void start() {
-    // Start with a default core-pool size of 10 and change it dynamically.
+    launcherPool =
-    launcherPool = new ThreadPoolExecutor(INITIAL_POOL_SIZE,
+        new ThreadPoolExecutor(getConfig().getInt(
-        Integer.MAX_VALUE, 1, TimeUnit.HOURS,
+            MRJobConfig.MR_AM_CONTAINERLAUNCHER_THREAD_COUNT, 10),
-        new LinkedBlockingQueue<Runnable>());
+            Integer.MAX_VALUE, 1, TimeUnit.HOURS,
+            new LinkedBlockingQueue<Runnable>());
+    launcherPool.prestartAllCoreThreads(); // Wait for work.
     eventHandlingThread = new Thread(new Runnable() {
       @Override
       public void run() {
@@ -120,26 +117,6 @@ public void run() {
             LOG.error("Returning, interrupted : " + e);
             return;
           }
-
-          int poolSize = launcherPool.getCorePoolSize();
-
-          // See if we need up the pool size only if haven't reached the
-          // maximum limit yet.
-          if (poolSize != limitOnPoolSize) {
-
-            // nodes where containers will run at *this* point of time. This is
-            // *not* the cluster size and doesn't need to be.
-            int numNodes = ugiMap.size();
-            int idealPoolSize = Math.min(limitOnPoolSize, numNodes);
-
-            if (poolSize <= idealPoolSize) {
-              // Bump up the pool size to idealPoolSize+INITIAL_POOL_SIZE, the
-              // later is just a buffer so we are not always increasing the
-              // pool-size
-              launcherPool.setCorePoolSize(idealPoolSize + INITIAL_POOL_SIZE);
-            }
-          }
-
           // the events from the queue are handled in parallel
           // using a thread pool
           launcherPool.execute(new EventProcessor(event));

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/local/LocalContainerAllocator.java

@@ -18,7 +18,6 @@
 
 package org.apache.hadoop.mapreduce.v2.app.local;
 
-import java.util.ArrayList;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.commons.logging.Log;
@@ -31,19 +30,15 @@
 import org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptContainerAssignedEvent;
 import org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocator;
 import org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocatorEvent;
+import org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent;
 import org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator;
-import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
-import org.apache.hadoop.yarn.api.records.AMResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.NodeId;
-import org.apache.hadoop.yarn.api.records.ResourceRequest;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.util.BuilderUtils;
 import org.apache.hadoop.yarn.util.Records;
 
 /**
@@ -70,20 +65,6 @@ public LocalContainerAllocator(ClientService clientService,
     this.appID = context.getApplicationID();
   }
 
-  @Override
-  protected synchronized void heartbeat() throws Exception {
-    AllocateRequest allocateRequest = BuilderUtils.newAllocateRequest(
-        this.applicationAttemptId, this.lastResponseID, super
-            .getApplicationProgress(), new ArrayList<ResourceRequest>(),
-        new ArrayList<ContainerId>());
-    AllocateResponse allocateResponse = scheduler.allocate(allocateRequest);
-    AMResponse response = allocateResponse.getAMResponse();
-    if (response.getReboot()) {
-      // TODO
-      LOG.info("Event from RM: shutting down Application Master");
-    }
-  }
-
   @Override
   public void handle(ContainerAllocatorEvent event) {
     if (event.getType() == ContainerAllocator.EventType.CONTAINER_REQ) {

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/recover/RecoveryService.java

@@ -58,7 +58,7 @@
 import org.apache.hadoop.mapreduce.v2.app.taskclean.TaskCleanupEvent;
 import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils;
 import org.apache.hadoop.yarn.Clock;
-import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.NodeId;
@@ -92,9 +92,10 @@ public class RecoveryService extends CompositeService implements Recovery {
 
   private static final Log LOG = LogFactory.getLog(RecoveryService.class);
 
-  private final ApplicationAttemptId applicationAttemptId;
+  private final ApplicationId appID;
   private final Dispatcher dispatcher;
   private final ControlledClock clock;
+  private final int startCount;
 
   private JobInfo jobInfo = null;
   private final Map<TaskId, TaskInfo> completedTasks =
@@ -105,10 +106,10 @@ public class RecoveryService extends CompositeService implements Recovery {
 
   private volatile boolean recoveryMode = false;
 
-  public RecoveryService(ApplicationAttemptId applicationAttemptId, 
+  public RecoveryService(ApplicationId appID, Clock clock, int startCount) {
-      Clock clock) {
     super("RecoveringDispatcher");
-    this.applicationAttemptId = applicationAttemptId;
+    this.appID = appID;
+    this.startCount = startCount;
     this.dispatcher = new RecoveryDispatcher();
     this.clock = new ControlledClock(clock);
       addService((Service) dispatcher);
@@ -151,8 +152,7 @@ public Set<TaskId> getCompletedTasks() {
 
   private void parse() throws IOException {
     // TODO: parse history file based on startCount
-    String jobName = 
+    String jobName = TypeConverter.fromYarn(appID).toString();
-        TypeConverter.fromYarn(applicationAttemptId.getApplicationId()).toString();
     String jobhistoryDir = JobHistoryUtils.getConfiguredHistoryStagingDirPrefix(getConfig());
     FSDataInputStream in = null;
     Path historyFile = null;
@@ -160,9 +160,8 @@ private void parse() throws IOException {
         new Path(jobhistoryDir));
     FileContext fc = FileContext.getFileContext(histDirPath.toUri(),
         getConfig());
-    //read the previous history file
     historyFile = fc.makeQualified(JobHistoryUtils.getStagingJobHistoryFile(
-        histDirPath, jobName, (applicationAttemptId.getAttemptId() - 1)));          
+        histDirPath, jobName, startCount - 1));          //read the previous history file
     in = fc.open(historyFile);
     JobHistoryParser parser = new JobHistoryParser(in);
     jobInfo = parser.parse();

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMCommunicator.java

@@ -20,6 +20,7 @@
 
 import java.io.IOException;
 import java.security.PrivilegedAction;
+import java.util.ArrayList;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -28,7 +29,6 @@
 import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.apache.hadoop.mapreduce.TypeConverter;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
-import org.apache.hadoop.mapreduce.v2.api.records.JobReport;
 import org.apache.hadoop.mapreduce.v2.api.records.JobState;
 import org.apache.hadoop.mapreduce.v2.app.AppContext;
 import org.apache.hadoop.mapreduce.v2.app.client.ClientService;
@@ -42,12 +42,17 @@
 import org.apache.hadoop.yarn.YarnException;
 import org.apache.hadoop.yarn.api.AMRMProtocol;
 import org.apache.hadoop.yarn.api.ApplicationConstants;
+import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
+import org.apache.hadoop.yarn.api.records.AMResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.ResourceRequest;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -59,7 +64,7 @@
 /**
  * Registers/unregisters to RM and sends heartbeats to RM.
  */
-public abstract class RMCommunicator extends AbstractService  {
+public class RMCommunicator extends AbstractService  {
   private static final Log LOG = LogFactory.getLog(RMContainerAllocator.class);
   private int rmPollInterval;//millis
   protected ApplicationId applicationId;
@@ -69,7 +74,7 @@ public abstract class RMCommunicator extends AbstractService  {
   protected EventHandler eventHandler;
   protected AMRMProtocol scheduler;
   private final ClientService clientService;
-  protected int lastResponseID;
+  private int lastResponseID;
   private Resource minContainerCapability;
   private Resource maxContainerCapability;
 
@@ -116,34 +121,6 @@ protected Job getJob() {
     return job;
   }
 
-  /**
-   * Get the appProgress. Can be used only after this component is started.
-   * @return the appProgress.
-   */
-  protected float getApplicationProgress() {
-    // For now just a single job. In future when we have a DAG, we need an
-    // aggregate progress.
-    JobReport report = this.job.getReport();
-    float setupWeight = 0.05f;
-    float cleanupWeight = 0.05f;
-    float mapWeight = 0.0f;
-    float reduceWeight = 0.0f;
-    int numMaps = this.job.getTotalMaps();
-    int numReduces = this.job.getTotalReduces();
-    if (numMaps == 0 && numReduces == 0) {
-    } else if (numMaps == 0) {
-      reduceWeight = 0.9f;
-    } else if (numReduces == 0) {
-      mapWeight = 0.9f;
-    } else {
-      mapWeight = reduceWeight = 0.45f;
-    }
-    return (report.getSetupProgress() * setupWeight
-        + report.getCleanupProgress() * cleanupWeight
-        + report.getMapProgress() * mapWeight + report.getReduceProgress()
-        * reduceWeight);
-  }
-
   protected void register() {
     //Register
     String host = 
@@ -285,5 +262,18 @@ public AMRMProtocol run() {
     });
   }
 
-  protected abstract void heartbeat() throws Exception;
+  protected synchronized void heartbeat() throws Exception {
+    AllocateRequest allocateRequest =
+        recordFactory.newRecordInstance(AllocateRequest.class);
+    allocateRequest.setApplicationAttemptId(applicationAttemptId);
+    allocateRequest.setResponseId(lastResponseID);
+    allocateRequest.addAllAsks(new ArrayList<ResourceRequest>());
+    allocateRequest.addAllReleases(new ArrayList<ContainerId>());
+    AllocateResponse allocateResponse = scheduler.allocate(allocateRequest);
+    AMResponse response = allocateResponse.getAMResponse();
+    if (response.getReboot()) {
+      LOG.info("Event from RM: shutting down Application Master");
+    }
+  }
+
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerAllocator.java

@@ -586,21 +586,37 @@ private void assign(List<Container> allocatedContainers) {
     private ContainerRequest assign(Container allocated) {
       ContainerRequest assigned = null;
       
-      Priority priority = allocated.getPriority();
+      if (mapResourceReqt != reduceResourceReqt) {
-      if (PRIORITY_FAST_FAIL_MAP.equals(priority)) {
+        //assign based on size
-        LOG.info("Assigning container " + allocated + " to fast fail map");
+        LOG.info("Assigning based on container size");
-        assigned = assignToFailedMap(allocated);
+        if (allocated.getResource().getMemory() == mapResourceReqt) {
-      } else if (PRIORITY_REDUCE.equals(priority)) {
+          assigned = assignToFailedMap(allocated);
-        LOG.info("Assigning container " + allocated + " to reduce");
+          if (assigned == null) {
-        assigned = assignToReduce(allocated);
+            assigned = assignToMap(allocated);
-      } else if (PRIORITY_MAP.equals(priority)) {
+          }
-        LOG.info("Assigning container " + allocated + " to map");
+        } else if (allocated.getResource().getMemory() == reduceResourceReqt) {
-        assigned = assignToMap(allocated);
+          assigned = assignToReduce(allocated);
-      } else {
+        }
-        LOG.warn("Container allocated at unwanted priority: " + priority + 
-            ". Returning to RM...");
-      }
         
+        return assigned;
+      }
+      
+      //container can be given to either map or reduce
+      //assign based on priority
+      
+      //try to assign to earlierFailedMaps if present
+      assigned = assignToFailedMap(allocated);
+      
+      //Assign to reduces before assigning to maps ?
+      if (assigned == null) {
+        assigned = assignToReduce(allocated);
+      }
+      
+      //try to assign to maps if present
+      if (assigned == null) {
+        assigned = assignToMap(allocated);
+      }
+      
       return assigned;
     }
     

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerRequestor.java

@@ -43,7 +43,6 @@
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.util.BuilderUtils;
 
 /**
  * Keeps the data structures to send container requests to RM.
@@ -108,11 +107,15 @@ public void init(Configuration conf) {
     LOG.info("maxTaskFailuresPerNode is " + maxTaskFailuresPerNode);
   }
 
+  protected abstract void heartbeat() throws Exception;
+
   protected AMResponse makeRemoteRequest() throws YarnRemoteException {
-    AllocateRequest allocateRequest = BuilderUtils.newAllocateRequest(
+    AllocateRequest allocateRequest = recordFactory
-        applicationAttemptId, lastResponseID, super.getApplicationProgress(),
+        .newRecordInstance(AllocateRequest.class);
-        new ArrayList<ResourceRequest>(ask), new ArrayList<ContainerId>(
+    allocateRequest.setApplicationAttemptId(applicationAttemptId);
-            release));
+    allocateRequest.setResponseId(lastResponseID);
+    allocateRequest.addAllAsks(new ArrayList<ResourceRequest>(ask));
+    allocateRequest.addAllReleases(new ArrayList<ContainerId>(release));
     AllocateResponse allocateResponse = scheduler.allocate(allocateRequest);
     AMResponse response = allocateResponse.getAMResponse();
     lastResponseID = response.getResponseId();

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/speculate/DefaultSpeculator.java

@@ -35,6 +35,7 @@
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.mapreduce.MRJobConfig;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState;
@@ -86,7 +87,7 @@ public class DefaultSpeculator extends AbstractService implements
   private final ConcurrentMap<JobId, AtomicInteger> reduceContainerNeeds
       = new ConcurrentHashMap<JobId, AtomicInteger>();
 
-  private final Set<TaskId> mayHaveSpeculated = new HashSet<TaskId>();
+  private final Set<TaskId> mayHaveSpeculated = new HashSet();
 
   private final Configuration conf;
   private AppContext context;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/JobConfPage.java

@@ -44,7 +44,6 @@ public class JobConfPage extends AppView {
     set(TITLE, jobID.isEmpty() ? "Bad request: missing job ID"
         : join("Configuration for MapReduce Job ", $(JOB_ID)));
     commonPreHead(html);
-    set(initID(ACCORDION, "nav"), "{autoHeight:false, active:2}");
     set(DATATABLES_ID, "conf");
     set(initID(DATATABLES, "conf"), confTableInit());
     set(postInitID(DATATABLES, "conf"), confPostTableInit());

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/NavBlock.java

@@ -38,9 +38,9 @@ public class NavBlock extends HtmlBlock {
       div("#nav").
         h3("Cluster").
         ul().
-          li().a(url(rmweb, "cluster", "cluster"), "About")._().
+          li().a(url(rmweb, prefix(), "cluster"), "About")._().
-          li().a(url(rmweb, "cluster", "apps"), "Applications")._().
+          li().a(url(rmweb, prefix(), "apps"), "Applications")._().
-          li().a(url(rmweb, "cluster", "scheduler"), "Scheduler")._()._().
+          li().a(url(rmweb, prefix(), "scheduler"), "Scheduler")._()._().
         h3("Application").
         ul().
           li().a(url("app/info"), "About")._().

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/TaskPage.java

@@ -85,7 +85,7 @@ protected void render(Block html) {
         if (containerId != null) {
           String containerIdStr = ConverterUtils.toString(containerId);
           nodeTd._(" ").
-            a(".logslink", url("http://", nodeHttpAddr, "node", "containerlogs",
+            a(".logslink", url("http://", nodeHttpAddr, "yarn", "containerlogs",
               containerIdStr), "logs");
         }
         nodeTd._().

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/MRApp.java

@@ -66,7 +66,6 @@
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.Clock;
 import org.apache.hadoop.yarn.YarnException;
-import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
@@ -92,7 +91,7 @@ public class MRApp extends MRAppMaster {
   private File testWorkDir;
   private Path testAbsPath;
 
-  private static final RecordFactory recordFactory =
+  private final RecordFactory recordFactory =
       RecordFactoryProvider.getRecordFactory(null);
 
   //if true, tasks complete automatically as soon as they are launched
@@ -101,7 +100,7 @@ public class MRApp extends MRAppMaster {
   static ApplicationId applicationId;
 
   static {
-    applicationId = recordFactory.newRecordInstance(ApplicationId.class);
+    applicationId = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(ApplicationId.class);
     applicationId.setClusterTimestamp(0);
     applicationId.setId(0);
   }
@@ -109,19 +108,9 @@ public class MRApp extends MRAppMaster {
   public MRApp(int maps, int reduces, boolean autoComplete, String testName, boolean cleanOnStart) {
     this(maps, reduces, autoComplete, testName, cleanOnStart, 1);
   }
-  
-  private static ApplicationAttemptId getApplicationAttemptId(
-      ApplicationId applicationId, int startCount) {
-    ApplicationAttemptId applicationAttemptId =
-        recordFactory.newRecordInstance(ApplicationAttemptId.class);
-    applicationAttemptId.setApplicationId(applicationId);
-    applicationAttemptId.setAttemptId(startCount);
-    return applicationAttemptId;
-  }
 
-  public MRApp(int maps, int reduces, boolean autoComplete, String testName, 
+  public MRApp(int maps, int reduces, boolean autoComplete, String testName, boolean cleanOnStart, int startCount) {
-      boolean cleanOnStart, int startCount) {
+    super(applicationId, startCount);
-    super(getApplicationAttemptId(applicationId, startCount));
     this.testWorkDir = new File("target", testName);
     testAbsPath = new Path(testWorkDir.getAbsolutePath());
     LOG.info("PathUsed: " + testAbsPath);
@@ -402,12 +391,11 @@ protected StateMachine<JobState, JobEventType, JobEvent> getStateMachine() {
       return localStateMachine;
     }
 
-    public TestJob(Configuration conf, ApplicationId applicationId,
+    public TestJob(Configuration conf, ApplicationId appID,
         EventHandler eventHandler, TaskAttemptListener taskAttemptListener,
         Clock clock, String user) {
-      super(getApplicationAttemptId(applicationId, getStartCount()), 
+      super(appID, conf, eventHandler, taskAttemptListener,
-          conf, eventHandler, taskAttemptListener,
+          new JobTokenSecretManager(), new Credentials(), clock, getStartCount(), 
-          new JobTokenSecretManager(), new Credentials(), clock, 
           getCompletedTaskFromPreviousRun(), metrics, user);
 
       // This "this leak" is okay because the retained pointer is in an

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/TypeConverter.java

@@ -47,7 +47,6 @@
 import org.apache.hadoop.yarn.api.records.ApplicationState;
 import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.hadoop.yarn.api.records.QueueACL;
-import org.apache.hadoop.yarn.api.records.QueueState;
 import org.apache.hadoop.yarn.api.records.QueueUserACLInfo;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
@@ -281,28 +280,16 @@ public static Counters toYarn(org.apache.hadoop.mapreduce.Counters counters) {
   }
   
   public static org.apache.hadoop.mapred.JobStatus fromYarn(
-      JobReport jobreport, String jobFile) {
+      JobReport jobreport, String jobFile, String trackingUrl) {
     JobPriority jobPriority = JobPriority.NORMAL;
-    org.apache.hadoop.mapred.JobStatus jobStatus =
+    return new org.apache.hadoop.mapred.JobStatus(fromYarn(jobreport.getJobId()),
-        new org.apache.hadoop.mapred.JobStatus(fromYarn(jobreport.getJobId()),
+        jobreport.getSetupProgress(), jobreport.getMapProgress(),
-            jobreport.getSetupProgress(), jobreport.getMapProgress(),
+        jobreport.getReduceProgress(), jobreport.getCleanupProgress(),
-            jobreport.getReduceProgress(), jobreport.getCleanupProgress(),
+        fromYarn(jobreport.getJobState()),
-            fromYarn(jobreport.getJobState()),
+        jobPriority, jobreport.getUser(), jobreport.getJobName(),
-            jobPriority, jobreport.getUser(), jobreport.getJobName(),
+        jobFile, trackingUrl);
-            jobFile, jobreport.getTrackingUrl());
-    jobStatus.setFailureInfo(jobreport.getDiagnostics());
-    return jobStatus;
   }
   
-  public static org.apache.hadoop.mapreduce.QueueState fromYarn(
-      QueueState state) {
-    org.apache.hadoop.mapreduce.QueueState qState = 
-      org.apache.hadoop.mapreduce.QueueState.getState(
-        state.toString().toLowerCase());
-    return qState;
-  }
-
-  
   public static int fromYarn(JobState state) {
     switch (state) {
     case NEW:
@@ -425,7 +412,6 @@ public static JobStatus fromYarn(ApplicationReport application,
       );
     jobStatus.setSchedulingInfo(trackingUrl); // Set AM tracking url
     jobStatus.setStartTime(application.getStartTime());
-    jobStatus.setFailureInfo(application.getDiagnostics());
     return jobStatus;
   }
 
@@ -445,9 +431,9 @@ public static JobStatus[] fromYarnApps(List<ApplicationReport> applications,
   
   public static QueueInfo fromYarn(org.apache.hadoop.yarn.api.records.QueueInfo 
       queueInfo, Configuration conf) {
-    return new QueueInfo(queueInfo.getQueueName(),queueInfo.toString(),
+    return new QueueInfo(queueInfo.getQueueName(), 
-        fromYarn(queueInfo.getQueueState()), TypeConverter.fromYarnApps(
+        queueInfo.toString(), QueueState.RUNNING, 
-        queueInfo.getApplications(), conf));
+        TypeConverter.fromYarnApps(queueInfo.getApplications(), conf));
   }
   
   public static QueueInfo[] fromYarnQueueInfo(

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/MRConstants.java

@@ -0,0 +1,50 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package org.apache.hadoop.mapreduce.v2;
+
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+
+@InterfaceAudience.Private
+@InterfaceStability.Evolving
+public interface MRConstants {
+  // This should be the directory where splits file gets localized on the node
+  // running ApplicationMaster.
+  public static final String JOB_SUBMIT_DIR = "jobSubmitDir";
+  
+  // This should be the name of the localized job-configuration file on the node
+  // running ApplicationMaster and Task
+  public static final String JOB_CONF_FILE = "job.xml";
+  // This should be the name of the localized job-jar file on the node running
+  // individual containers/tasks.
+  public static final String JOB_JAR = "job.jar";
+
+  public static final String HADOOP_MAPREDUCE_CLIENT_APP_JAR_NAME =
+      "hadoop-mapreduce-client-app-0.24.0-SNAPSHOT.jar";
+
+  public static final String YARN_MAPREDUCE_APP_JAR_PATH =
+    "$YARN_HOME/modules/" + HADOOP_MAPREDUCE_CLIENT_APP_JAR_NAME;
+
+  // The token file for the application. Should contain tokens for access to
+  // remote file system and may optionally contain application specific tokens.
+  // For now, generated by the AppManagers and used by NodeManagers and the
+  // Containers.
+  public static final String APPLICATION_TOKENS_FILE = "appTokens";
+}

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/api/records/JobReport.java

@@ -29,8 +29,6 @@ public interface JobReport {
   public abstract long getFinishTime();
   public abstract String getUser();
   public abstract String getJobName();
-  public abstract String getTrackingUrl();
-  public abstract String getDiagnostics();
 
   public abstract void setJobId(JobId jobId);
   public abstract void setJobState(JobState jobState);
@@ -42,6 +40,4 @@ public interface JobReport {
   public abstract void setFinishTime(long finishTime);
   public abstract void setUser(String user);
   public abstract void setJobName(String jobName);
-  public abstract void setTrackingUrl(String trackingUrl);
-  public abstract void setDiagnostics(String diagnostics);
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/api/records/impl/pb/JobReportPBImpl.java

@@ -206,30 +206,6 @@ public void setJobName(String jobName) {
     builder.setJobName((jobName));
   }
 
-  @Override
-  public String getTrackingUrl() {
-    JobReportProtoOrBuilder p = viaProto ? proto : builder;
-    return (p.getTrackingUrl());
-  }
-
-  @Override
-  public void setTrackingUrl(String trackingUrl) {
-    maybeInitBuilder();
-    builder.setTrackingUrl(trackingUrl);
-  }
-
-  @Override
-  public String getDiagnostics() {
-    JobReportProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getDiagnostics();
-  }
-
-  @Override
-  public void setDiagnostics(String diagnostics) {
-    maybeInitBuilder();
-    builder.setDiagnostics(diagnostics);
-  }
-
   private JobIdPBImpl convertFromProtoFormat(JobIdProto p) {
     return new JobIdPBImpl(p);
   }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JobHistoryUtils.java

@@ -489,7 +489,7 @@ public static String getHistoryUrl(Configuration conf, ApplicationId appId)
       sb.append(address.getHostName());
     }
     sb.append(":").append(address.getPort());
-    sb.append("/jobhistory/job/"); // TODO This will change when the history server
+    sb.append("/yarn/job/"); // TODO This will change when the history server
                             // understands apps.
     // TOOD Use JobId toString once UI stops using _id_id
     sb.append("job_").append(appId.getClusterTimestamp());

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java

@@ -39,14 +39,14 @@
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.apache.hadoop.mapreduce.filecache.DistributedCache;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
+import org.apache.hadoop.util.Shell.ShellCommandExecutor;
 import org.apache.hadoop.yarn.YarnException;
-import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
-import org.apache.hadoop.yarn.api.ApplicationConstants;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.LocalResourceType;
@@ -167,7 +167,7 @@ public static TaskAttemptStateUI taskAttemptState(String attemptStateStr) {
     return TaskAttemptStateUI.valueOf(attemptStateStr);
   }
 
-  private static void setMRFrameworkClasspath(
+  public static void setInitialClasspath(
       Map<String, String> environment) throws IOException {
     InputStream classpathFileStream = null;
     BufferedReader reader = null;
@@ -182,17 +182,30 @@ private static void setMRFrameworkClasspath(
       reader = new BufferedReader(new InputStreamReader(classpathFileStream));
       String cp = reader.readLine();
       if (cp != null) {
-        addToEnvironment(environment, Environment.CLASSPATH.name(), cp.trim());
+        addToClassPath(environment, cp.trim());
       }
       // Put the file itself on classpath for tasks.
-      addToEnvironment(
+      addToClassPath(environment,
-          environment,
-          Environment.CLASSPATH.name(),
           thisClassLoader.getResource(mrAppGeneratedClasspathFile).getFile());
 
-      // Add standard Hadoop classes
+      // If runtime env is different.
-      for (String c : ApplicationConstants.APPLICATION_CLASSPATH) {
+      if (System.getenv().get("YARN_HOME") != null) {
-        addToEnvironment(environment, Environment.CLASSPATH.name(), c);
+        ShellCommandExecutor exec =
+            new ShellCommandExecutor(new String[] {
+                System.getenv().get("YARN_HOME") + "/bin/yarn",
+            "classpath" });
+        exec.execute();
+        addToClassPath(environment, exec.getOutput().trim());
+      }
+
+      // Get yarn mapreduce-app classpath
+      if (System.getenv().get("HADOOP_MAPRED_HOME")!= null) {
+        ShellCommandExecutor exec =
+            new ShellCommandExecutor(new String[] {
+                System.getenv().get("HADOOP_MAPRED_HOME") + "/bin/mapred",
+            "classpath" });
+        exec.execute();
+        addToClassPath(environment, exec.getOutput().trim());
       }
     } finally {
       if (classpathFileStream != null) {
@@ -204,35 +217,20 @@ private static void setMRFrameworkClasspath(
     }
     // TODO: Remove duplicates.
   }
-  
-  private static final String SYSTEM_PATH_SEPARATOR = 
-      System.getProperty("path.separator");
 
-  public static void addToEnvironment(
+  public static void addToClassPath(
-      Map<String, String> environment, 
+      Map<String, String> environment, String fileName) {
-      String variable, String value) {
+    String classpath = environment.get(CLASSPATH);
-    String val = environment.get(variable);
+    if (classpath == null) {
-    if (val == null) {
+      classpath = fileName;
-      val = value;
     } else {
-      val = val + SYSTEM_PATH_SEPARATOR + value;
+      classpath = classpath + ":" + fileName;
     }
-    environment.put(variable, val);
+    environment.put(CLASSPATH, classpath);
   }
 
-  public static void setClasspath(Map<String, String> environment) 
+  public static final String CLASSPATH = "CLASSPATH";
-      throws IOException {
+
-    MRApps.addToEnvironment(
-        environment, 
-        Environment.CLASSPATH.name(), 
-        MRJobConfig.JOB_JAR);
-    MRApps.addToEnvironment(
-        environment, 
-        Environment.CLASSPATH.name(),
-        Environment.PWD.$() + Path.SEPARATOR + "*");
-    MRApps.setMRFrameworkClasspath(environment);
-  }
-  
   private static final String STAGING_CONSTANT = ".staging";
   public static Path getStagingAreaDir(Configuration conf, String user) {
     return new Path(
@@ -243,7 +241,7 @@ public static Path getStagingAreaDir(Configuration conf, String user) {
   public static String getJobFile(Configuration conf, String user, 
       org.apache.hadoop.mapreduce.JobID jobId) {
     Path jobFile = new Path(MRApps.getStagingAreaDir(conf, user),
-        jobId.toString() + Path.SEPARATOR + MRJobConfig.JOB_CONF_FILE);
+        jobId.toString() + Path.SEPARATOR + MRConstants.JOB_CONF_FILE);
     return jobFile.toString();
   }
   
@@ -262,11 +260,12 @@ private static long[] parseTimeStamps(String[] strs) {
 
   public static void setupDistributedCache( 
       Configuration conf, 
-      Map<String, LocalResource> localResources) 
+      Map<String, LocalResource> localResources,
+      Map<String, String> env) 
   throws IOException {
     
     // Cache archives
-    parseDistributedCacheArtifacts(conf, localResources,  
+    parseDistributedCacheArtifacts(conf, localResources, env, 
         LocalResourceType.ARCHIVE, 
         DistributedCache.getCacheArchives(conf), 
         parseTimeStamps(DistributedCache.getArchiveTimestamps(conf)), 
@@ -276,7 +275,7 @@ public static void setupDistributedCache(
     
     // Cache files
     parseDistributedCacheArtifacts(conf, 
-        localResources,  
+        localResources, env, 
         LocalResourceType.FILE, 
         DistributedCache.getCacheFiles(conf),
         parseTimeStamps(DistributedCache.getFileTimestamps(conf)),
@@ -291,6 +290,7 @@ public static void setupDistributedCache(
   private static void parseDistributedCacheArtifacts(
       Configuration conf,
       Map<String, LocalResource> localResources,
+      Map<String, String> env,
       LocalResourceType type,
       URI[] uris, long[] timestamps, long[] sizes, boolean visibilities[], 
       Path[] pathsToPutOnClasspath) throws IOException {
@@ -339,6 +339,9 @@ private static void parseDistributedCacheArtifacts(
                   : LocalResourceVisibility.PRIVATE,
                 sizes[i], timestamps[i])
         );
+        if (classPaths.containsKey(u.getPath())) {
+          MRApps.addToClassPath(env, linkName);
+        }
       }
     }
   }
@@ -355,42 +358,6 @@ private static long[] getFileSizes(Configuration conf, String key) {
     }
     return result;
   }
-
-  public static void setEnvFromInputString(Map<String, String> env,
-      String envString) {
-    if (envString != null && envString.length() > 0) {
-      String childEnvs[] = envString.split(",");
-      for (String cEnv : childEnvs) {
-        String[] parts = cEnv.split("="); // split on '='
-        String value = env.get(parts[0]);
-  
-        if (value != null) {
-          // Replace $env with the child's env constructed by NM's
-          // For example: LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/tmp
-          value = parts[1].replace("$" + parts[0], value);
-        } else {
-          // example PATH=$PATH:/tmp
-          value = System.getenv(parts[0]);
-          if (value != null) {
-            // the env key is present in the tt's env
-            value = parts[1].replace("$" + parts[0], value);
-          } else {
-            // check for simple variable substitution
-            // for e.g. ROOT=$HOME
-            String envValue = System.getenv(parts[1].substring(1)); 
-            if (envValue != null) {
-              value = envValue;
-            } else {
-              // the env key is note present anywhere .. simply set it
-              // example X=$X:/tmp or X=/tmp
-              value = parts[1].replace("$" + parts[0], "");
-            }
-          }
-        }
-        addToEnvironment(env, parts[0], value);
-      }
-    }
-  }
   
 
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRBuilderUtils.java

@@ -19,25 +19,27 @@
 package org.apache.hadoop.mapreduce.v2.util;
 
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
-import org.apache.hadoop.mapreduce.v2.api.records.JobReport;
-import org.apache.hadoop.mapreduce.v2.api.records.JobState;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.util.Records;
+import org.apache.hadoop.yarn.factories.RecordFactory;
+import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 
 public class MRBuilderUtils {
 
+  private static final RecordFactory recordFactory = RecordFactoryProvider
+      .getRecordFactory(null);
+
   public static JobId newJobId(ApplicationId appId, int id) {
-    JobId jobId = Records.newRecord(JobId.class);
+    JobId jobId = recordFactory.newRecordInstance(JobId.class);
     jobId.setAppId(appId);
     jobId.setId(id);
     return jobId;
   }
 
   public static TaskId newTaskId(JobId jobId, int id, TaskType taskType) {
-    TaskId taskId = Records.newRecord(TaskId.class);
+    TaskId taskId = recordFactory.newRecordInstance(TaskId.class);
     taskId.setJobId(jobId);
     taskId.setId(id);
     taskId.setTaskType(taskType);
@@ -46,27 +48,9 @@ public static TaskId newTaskId(JobId jobId, int id, TaskType taskType) {
 
   public static TaskAttemptId newTaskAttemptId(TaskId taskId, int attemptId) {
     TaskAttemptId taskAttemptId =
-        Records.newRecord(TaskAttemptId.class);
+        recordFactory.newRecordInstance(TaskAttemptId.class);
     taskAttemptId.setTaskId(taskId);
     taskAttemptId.setId(attemptId);
     return taskAttemptId;
   }
-
-  public static JobReport newJobReport(JobId jobId, String jobName,
-      String userName, JobState state, long startTime, long finishTime,
-      float setupProgress, float mapProgress, float reduceProgress,
-      float cleanupProgress) {
-    JobReport report = Records.newRecord(JobReport.class);
-    report.setJobId(jobId);
-    report.setJobName(jobName);
-    report.setUser(userName);
-    report.setJobState(state);
-    report.setStartTime(startTime);
-    report.setFinishTime(finishTime);
-    report.setSetupProgress(setupProgress);
-    report.setCleanupProgress(cleanupProgress);
-    report.setMapProgress(mapProgress);
-    report.setReduceProgress(reduceProgress);
-    return report;
-  }
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/proto/mr_protos.proto

@@ -143,8 +143,6 @@ message JobReportProto {
   optional int64 finish_time = 8;
   optional string user = 9;
   optional string jobName = 10;
-  optional string trackingUrl = 11;
-  optional string diagnostics = 12;
 }
 
 enum TaskAttemptCompletionEventStatusProto {

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapreduce/TestTypeConverter.java

@@ -19,14 +19,11 @@
 
 import junit.framework.Assert;
 
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationState;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationIdPBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationReportPBImpl;
-import org.apache.hadoop.yarn.api.records.impl.pb.QueueInfoPBImpl;
-
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 import org.junit.Test;
@@ -70,14 +67,4 @@ public void testFromYarnApplicationReport() {
     Assert.assertEquals("jobId set incorrectly", 6789, status.getJobID().getId());
     Assert.assertEquals("state set incorrectly", JobStatus.State.KILLED, status.getState());
   }
-
-  @Test
-  public void testFromYarnQueueInfo() {
-    org.apache.hadoop.yarn.api.records.QueueInfo queueInfo = new QueueInfoPBImpl();
-    queueInfo.setQueueState(org.apache.hadoop.yarn.api.records.QueueState.STOPPED);
-    org.apache.hadoop.mapreduce.QueueInfo returned =
-      TypeConverter.fromYarn(queueInfo, new Configuration());
-    Assert.assertEquals("queueInfo translation didn't work.",
-      returned.getState().toString(), queueInfo.getQueueState().toString().toLowerCase());
-  }
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapreduce/v2/util/TestMRApps.java

@@ -25,6 +25,7 @@
 import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
+import org.apache.hadoop.mapreduce.v2.MRConstants;
 import org.apache.hadoop.mapreduce.v2.util.MRApps;
 import org.apache.hadoop.yarn.YarnException;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
@@ -114,8 +115,7 @@ public class TestMRApps {
   @Test public void testGetJobFileWithUser() {
     Configuration conf = new Configuration();
     conf.set(MRJobConfig.MR_AM_STAGING_DIR, "/my/path/to/staging");
-    String jobFile = MRApps.getJobFile(conf, "dummy-user", 
+    String jobFile = MRApps.getJobFile(conf, "dummy-user", new JobID("dummy-job", 12345));
-        new JobID("dummy-job", 12345));
     assertNotNull("getJobFile results in null.", jobFile);
     assertEquals("jobFile with specified user is not as expected.",
         "/my/path/to/staging/dummy-user/.staging/job_dummy-job_12345/job.xml", jobFile);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/BackupStore.java

@@ -41,7 +41,6 @@
 import org.apache.hadoop.mapred.IFile.Writer;
 import org.apache.hadoop.mapred.Merger.Segment;
 import org.apache.hadoop.mapreduce.MRConfig;
-import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 
 /**
@@ -561,7 +560,7 @@ void createInDiskSegment() throws IOException {
 
     private Writer<K,V> createSpillFile() throws IOException {
       Path tmp =
-          new Path(MRJobConfig.OUTPUT + "/backup_" + tid.getId() + "_"
+          new Path(Constants.OUTPUT + "/backup_" + tid.getId() + "_"
               + (spillNumber++) + ".out");
 
       LOG.info("Created file: " + tmp);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Constants.java

@@ -16,21 +16,12 @@
  * limitations under the License.
  */
 
-package org.apache.hadoop.yarn.server.resourcemanager.rmapp;
+package org.apache.hadoop.mapred;
 
-import org.apache.hadoop.yarn.api.records.ApplicationId;
+public class Constants {
-
+  static final String OUTPUT = "output";
-public class RMAppFailedAttemptEvent extends RMAppEvent {
+  public static final String HADOOP_WORK_DIR = "HADOOP_WORK_DIR";
-
+  public static final String JOBFILE = "job.xml";
-  private final String diagnostics;
+  public static final String STDOUT_LOGFILE_ENV = "STDOUT_LOGFILE_ENV";
-
+  public static final String STDERR_LOGFILE_ENV = "STDERR_LOGFILE_ENV";
-  public RMAppFailedAttemptEvent(ApplicationId appId, RMAppEventType event, 
-      String diagnostics) {
-    super(appId, event);
-    this.diagnostics = diagnostics;
-  }
-
-  public String getDiagnostics() {
-    return this.diagnostics;
-  }
 }