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Merge -r 1203410:1203411 from trunk to branch. FIXES: MAPREDUCE-3415 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1203415 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Alejandro Abdelnur 2011-11-17 23:10:37 +00:00
parent 124d34995a
commit a24139e043
8 changed files with 202 additions and 21 deletions
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146
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/JarFinder.java Normal file
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@ -0,0 +1,146 @@
/**
* Licensed 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. See accompanying LICENSE file.
*/
package org.apache.hadoop.util;
import com.google.common.base.Preconditions;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLDecoder;
import java.text.MessageFormat;
import java.util.Enumeration;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* Finds the Jar for a class. If the class is in a directory in the
* classpath, it creates a Jar on the fly with the contents of the directory
* and returns the path to that Jar. If a Jar is created, it is created in
* the system temporary directory.
*/
public class JarFinder {
private static void zipDir(File dir, String relativePath, ZipOutputStream zos)
throws IOException {
Preconditions.checkNotNull(relativePath, "relativePath");
Preconditions.checkNotNull(zos, "zos");
zipDir(dir, relativePath, zos, true);
zos.close();
}
private static void zipDir(File dir, String relativePath, ZipOutputStream zos,
boolean start) throws IOException {
String[] dirList = dir.list();
for (String aDirList : dirList) {
File f = new File(dir, aDirList);
if (!f.isHidden()) {
if (f.isDirectory()) {
if (!start) {
ZipEntry dirEntry = new ZipEntry(relativePath + f.getName() + "/");
zos.putNextEntry(dirEntry);
zos.closeEntry();
}
String filePath = f.getPath();
File file = new File(filePath);
zipDir(file, relativePath + f.getName() + "/", zos, false);
}
else {
ZipEntry anEntry = new ZipEntry(relativePath + f.getName());
zos.putNextEntry(anEntry);
InputStream is = new FileInputStream(f);
byte[] arr = new byte[4096];
int read = is.read(arr);
while (read > -1) {
zos.write(arr, 0, read);
read = is.read(arr);
}
is.close();
zos.closeEntry();
}
}
}
}
private static void createJar(File dir, File jarFile) throws IOException {
Preconditions.checkNotNull(dir, "dir");
Preconditions.checkNotNull(jarFile, "jarFile");
File jarDir = jarFile.getParentFile();
if (!jarDir.exists()) {
if (!jarDir.mkdirs()) {
throw new IOException(MessageFormat.format("could not create dir [{0}]",
jarDir));
}
}
JarOutputStream zos = new JarOutputStream(new FileOutputStream(jarFile),
new Manifest());
zipDir(dir, "", zos);
}
/**
* Returns the full path to the Jar containing the class. It always return a
* JAR.
*
* @param klass class.
*
* @return path to the Jar containing the class.
*/
public static String getJar(Class klass) {
Preconditions.checkNotNull(klass, "klass");
ClassLoader loader = klass.getClassLoader();
if (loader != null) {
String class_file = klass.getName().replaceAll("\\.", "/") + ".class";
try {
for (Enumeration itr = loader.getResources(class_file);
itr.hasMoreElements(); ) {
URL url = (URL) itr.nextElement();
String path = url.getPath();
if (path.startsWith("file:")) {
path = path.substring("file:".length());
}
path = URLDecoder.decode(path, "UTF-8");
if ("jar".equals(url.getProtocol())) {
path = URLDecoder.decode(path, "UTF-8");
return path.replaceAll("!.*$", "");
}
else if ("file".equals(url.getProtocol())) {
String klassName = klass.getName();
klassName = klassName.replace(".", "/") + ".class";
path = path.substring(0, path.length() - klassName.length());
File baseDir = new File(path);
File testDir = new File(System.getProperty("test.build.dir", "target/test-dir"));
testDir = testDir.getAbsoluteFile();
if (!testDir.exists()) {
testDir.mkdirs();
}
File tempJar = File.createTempFile("hadoop-", "", testDir);
tempJar = new File(tempJar.getAbsolutePath() + ".jar");
createJar(baseDir, tempJar);
return tempJar.getAbsolutePath();
}
}
}
catch (IOException e) {
throw new RuntimeException(e);
}
}
return null;
}
}

42
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestJarFinder.java Normal file
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@ -0,0 +1,42 @@
/**
* 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.util;
import org.apache.commons.logging.LogFactory;
import org.junit.Assert;
import org.junit.Test;
import java.io.File;
public class TestJarFinder {
@Test
public void testAppend() throws Exception {
//picking a class that is for sure in a JAR in the classpath
String jar = JarFinder.getJar(LogFactory.class);
Assert.assertTrue(new File(jar).exists());
//picking a class that is for sure in a directory in the classpath
//in this case the JAR is created on the fly
jar = JarFinder.getJar(TestJarFinder.class);
Assert.assertTrue(new File(jar).exists());
}
}

3
hadoop-mapreduce-project/CHANGES.txt
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@ -44,6 +44,9 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3169. Create a new MiniMRCluster equivalent which only provides
client APIs cross MR1 and MR2. (Ahmed via tucu)
MAPREDUCE-3169. Create a new MiniMRCluster equivalent which only provides
client APIs cross MR1 and MR2. (Ahmed via tucu)
OPTIMIZATIONS
BUG FIXES

7
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/pom.xml
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@ -101,16 +101,9 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<systemPropertyVariables>
<yarn.mr.jar>${project.parent.basedir}/hadoop-mapreduce-client-app/target/hadoop-mapreduce-client-app-${project.version}.jar</yarn.mr.jar>
</systemPropertyVariables>
<environmentVariables>
<JAVA_HOME>${java.home}</JAVA_HOME>
</environmentVariables>
<additionalClasspathElements>
<!-- workaround for JobConf#setJarByClass -->
<additionalClasspathElement>${project.build.directory}/${project.artifactId}-${project.version}-tests.jar</additionalClasspathElement>
</additionalClasspathElements>
</configuration>
</plugin>
</plugins>

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRClientClusterFactory.java
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@ -26,6 +26,7 @@ import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.v2.MiniMRYarnCluster;
import org.apache.hadoop.util.JarFinder;
/**
* A MiniMRCluster factory. In MR2, it provides a wrapper MiniMRClientCluster
@ -57,7 +58,8 @@ public class MiniMRClientClusterFactory {
Job job = Job.getInstance(conf);
job.addFileToClassPath(appJar);
job.setJarByClass(caller);
String callerJar = JarFinder.getJar(caller);
job.setJar(callerJar);
MiniMRYarnCluster miniMRYarnCluster = new MiniMRYarnCluster(caller
.getName(), noOfNMs);

11
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/MiniMRYarnCluster.java
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@ -24,13 +24,13 @@ import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.LocalContainerLauncher;
import org.apache.hadoop.mapred.ShuffleHandler;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer;
import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
import org.apache.hadoop.util.JarFinder;
import org.apache.hadoop.yarn.YarnException;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.MiniYARNCluster;
@ -45,8 +45,7 @@ import org.apache.hadoop.yarn.service.Service;
*/
public class MiniMRYarnCluster extends MiniYARNCluster {
public static final String APPJAR = System.getProperty("yarn.mr.jar", JobConf
.findContainingJar(LocalContainerLauncher.class));
public static final String APPJAR = JarFinder.getJar(LocalContainerLauncher.class);
private static final Log LOG = LogFactory.getLog(MiniMRYarnCluster.class);
private JobHistoryServer historyServer;
@ -55,7 +54,7 @@ public class MiniMRYarnCluster extends MiniYARNCluster {
public MiniMRYarnCluster(String testName) {
this(testName, 1);
}
public MiniMRYarnCluster(String testName, int noOfNMs) {
super(testName, noOfNMs);
//TODO: add the history server
@ -88,9 +87,9 @@ public class MiniMRYarnCluster extends MiniYARNCluster {
conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false);
// Set config for JH Server
conf.set(JHAdminConfig.MR_HISTORY_ADDRESS,
conf.set(JHAdminConfig.MR_HISTORY_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_ADDRESS);
super.init(conf);
}

5
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/pom.xml
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@ -82,7 +82,7 @@
<goals>
<goal>jar</goal>
</goals>
<!-- strictly speaking, the unit test is really a regression test. It
<!-- strictly speaking, the unit test is really a regression test. It
needs the main jar to be available to be able to run. -->
<phase>test-compile</phase>
</execution>
@ -109,9 +109,6 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<systemPropertyVariables>
<yarn.ds.jar>${project.build.directory}/${project.artifactId}-${project.version}.jar</yarn.ds.jar>
</systemPropertyVariables>
<environmentVariables>
<JAVA_HOME>${java.home}</JAVA_HOME>
</environmentVariables>

5
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDistributedShell.java
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@ -23,7 +23,7 @@ import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.util.JarFinder;
import org.apache.hadoop.yarn.server.MiniYARNCluster;
import org.junit.AfterClass;
import org.junit.BeforeClass;
@ -37,8 +37,7 @@ public class TestDistributedShell {
protected static MiniYARNCluster yarnCluster = null;
protected static Configuration conf = new Configuration();
protected static String APPMASTER_JAR = System.getProperty("yarn.ds.jar",
JobConf.findContainingJar(ApplicationMaster.class));
protected static String APPMASTER_JAR = JarFinder.getJar(ApplicationMaster.class);
@BeforeClass
public static void setup() throws InterruptedException, IOException {