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Merge trunk to HDFS-4685. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4685@1569833 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Chris Nauroth 2014-02-19 17:24:02 +00:00
parent beb17701d7 7e8d85ebb3
commit 909eb7e4f1
27 changed files with 301 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -301,6 +301,18 @@ Trunk (Unreleased)
HADOOP-8589. ViewFs tests fail when tests and home dirs are nested (sanjay Radia)
Release 2.5.0 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 2.4.0 - UNRELEASED
INCOMPATIBLE CHANGES
@ -345,6 +357,8 @@ Release 2.4.0 - UNRELEASED
HADOOP-10249. LdapGroupsMapping should trim ldap password read from file.
(Dilli Armugam via suresh)
HADOOP-10346. Deadlock while logging tokens (jlowe)
Release 2.3.1 - UNRELEASED
INCOMPATIBLE CHANGES

7
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java
View File

@ -105,15 +105,18 @@ public byte[] getIdentifier() {
return identifier;
}
private static synchronized Class<? extends TokenIdentifier>
private static Class<? extends TokenIdentifier>
getClassForIdentifier(Text kind) {
Class<? extends TokenIdentifier> cls = null;
synchronized (Token.class) {
if (tokenKindMap == null) {
tokenKindMap = Maps.newHashMap();
for (TokenIdentifier id : ServiceLoader.load(TokenIdentifier.class)) {
tokenKindMap.put(id.getKind(), id.getClass());
}
}
Class<? extends TokenIdentifier> cls = tokenKindMap.get(kind);
cls = tokenKindMap.get(kind);
}
if (cls == null) {
LOG.warn("Cannot find class for token kind " + kind);
return null;

29
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -259,6 +259,18 @@ Trunk (Unreleased)
HDFS-5794. Fix the inconsistency of layout version number of
ADD_DATANODE_AND_STORAGE_UUIDS between trunk and branch-2. (jing9)
Release 2.5.0 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 2.4.0 - UNRELEASED
INCOMPATIBLE CHANGES
@ -411,13 +423,25 @@ Release 2.4.0 - UNRELEASED
HDFS-5716. Allow WebHDFS to use pluggable authentication filter
(Haohui Mai via brandonli)
HDFS-5953. TestBlockReaderFactory fails in trunk. (Akira Ajisaka via wang)
HDFS-5953. TestBlockReaderFactory fails if libhadoop.so has not been built.
(Akira Ajisaka via wang)
HDFS-5759. Web UI does not show up during the period of loading FSImage.
(Haohui Mai via Arpit Agarwal)
HDFS-5942. Fix javadoc in OfflineImageViewer. (Akira Ajisaka via cnauroth)
HDFS-5780. TestRBWBlockInvalidation times out intemittently. (Mit Desai
via kihwal)
HDFS-5803. TestBalancer.testBalancer0 fails. (Chen He via kihwal)
HDFS-5893. HftpFileSystem.RangeHeaderUrlOpener uses the default
URLConnectionFactory which does not import SSL certificates. (Haohui Mai via
jing9)
HDFS-5961. OIV cannot load fsimages containing a symbolic link. (kihwal)
BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)
@ -472,6 +496,9 @@ Release 2.4.0 - UNRELEASED
HDFS-5847. Consolidate INodeReference into a separate section. (jing9)
HDFS-5959. Fix typo at section name in FSImageFormatProtobuf.java.
(Akira Ajisaka via suresh)
Release 2.3.1 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
View File

@ -237,7 +237,7 @@ public int compare(FileSummary.Section s1, FileSummary.Section s2) {
inodeLoader.loadINodeSection(in);
}
break;
case INODE_REFRENCE:
case INODE_REFERENCE:
snapshotLoader.loadINodeReferenceSection(in);
break;
case INODE_DIR:
@ -551,7 +551,7 @@ public enum SectionName {
STRING_TABLE("STRING_TABLE"),
EXTENDED_ACL("EXTENDED_ACL"),
INODE("INODE"),
INODE_REFRENCE("INODE_REFRENCE"),
INODE_REFERENCE("INODE_REFERENCE"),
SNAPSHOT("SNAPSHOT"),
INODE_DIR("INODE_DIR"),
FILES_UNDERCONSTRUCTION("FILES_UNDERCONSTRUCTION"),

14
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileDataServlet.java
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@ -27,7 +27,6 @@
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
@ -61,18 +60,13 @@ private URL createRedirectURL(String path, String encodedPath, HdfsFileStatus st
} else {
hostname = host.getIpAddr();
}
int port = host.getInfoPort();
if ("https".equals(scheme)) {
final Integer portObject = (Integer) getServletContext().getAttribute(
DFSConfigKeys.DFS_DATANODE_HTTPS_PORT_KEY);
if (portObject != null) {
port = portObject;
}
}
int port = "https".equals(scheme) ? host.getInfoSecurePort() : host
.getInfoPort();
String dtParam = "";
if (dt != null) {
dtParam=JspHelper.getDelegationTokenUrlParam(dt);
dtParam = JspHelper.getDelegationTokenUrlParam(dt);
}
// Add namenode address to the url params

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FSImageFormatPBSnapshot.java
View File

@ -402,7 +402,7 @@ public void serializeINodeReferenceSection(OutputStream out)
INodeReferenceSection.INodeReference.Builder rb = buildINodeReference(ref);
rb.build().writeDelimitedTo(out);
}
parent.commitSection(headers, SectionName.INODE_REFRENCE);
parent.commitSection(headers, SectionName.INODE_REFERENCE);
}
private INodeReferenceSection.INodeReference.Builder buildINodeReference(

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/ImageLoaderCurrent.java
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@ -737,6 +737,7 @@ private void processINode(DataInputStream in, ImageVisitor v,
processPermission(in, v);
} else if (numBlocks == -2) {
v.visit(ImageElement.SYMLINK, Text.readString(in));
processPermission(in, v);
} else if (numBlocks == -3) { // reference node
final boolean isWithName = in.readBoolean();
int snapshotId = in.readInt();

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/LsrPBImage.java
View File

@ -115,7 +115,7 @@ public int compare(FileSummary.Section s1, FileSummary.Section s2) {
case INODE:
loadINodeSection(is);
break;
case INODE_REFRENCE:
case INODE_REFERENCE:
loadINodeReferenceSection(is);
break;
case INODE_DIR:

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/PBImageXmlWriter.java
View File

@ -113,7 +113,7 @@ public int compare(FileSummary.Section s1, FileSummary.Section s2) {
case INODE:
dumpINodeSection(is);
break;
case INODE_REFRENCE:
case INODE_REFERENCE:
dumpINodeReferenceSection(is);
break;
case INODE_DIR:

14
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/HftpFileSystem.java
View File

@ -344,14 +344,15 @@ protected String addDelegationTokenParam(String query) throws IOException {
}
static class RangeHeaderUrlOpener extends ByteRangeInputStream.URLOpener {
URLConnectionFactory connectionFactory = URLConnectionFactory.DEFAULT_SYSTEM_CONNECTION_FACTORY;
private final URLConnectionFactory connFactory;
RangeHeaderUrlOpener(final URL url) {
RangeHeaderUrlOpener(URLConnectionFactory connFactory, final URL url) {
super(url);
this.connFactory = connFactory;
}
protected HttpURLConnection openConnection() throws IOException {
return (HttpURLConnection)connectionFactory.openConnection(url);
return (HttpURLConnection)connFactory.openConnection(url);
}
/** Use HTTP Range header for specifying offset. */
@ -381,8 +382,9 @@ static class RangeHeaderInputStream extends ByteRangeInputStream {
super(o, r);
}
RangeHeaderInputStream(final URL url) {
this(new RangeHeaderUrlOpener(url), new RangeHeaderUrlOpener(null));
RangeHeaderInputStream(URLConnectionFactory connFactory, final URL url) {
this(new RangeHeaderUrlOpener(connFactory, url),
new RangeHeaderUrlOpener(connFactory, null));
}
@Override
@ -397,7 +399,7 @@ public FSDataInputStream open(Path f, int buffersize) throws IOException {
String path = "/data" + ServletUtil.encodePath(f.toUri().getPath());
String query = addDelegationTokenParam("ugi=" + getEncodedUgiParameter());
URL u = getNamenodeURL(path, query);
return new FSDataInputStream(new RangeHeaderInputStream(u));
return new FSDataInputStream(new RangeHeaderInputStream(connectionFactory, u));
}
@Override

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
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@ -74,7 +74,7 @@ public class TestBalancer {
ClientProtocol client;
static final long TIMEOUT = 20000L; //msec
static final long TIMEOUT = 40000L; //msec
static final double CAPACITY_ALLOWED_VARIANCE = 0.005; // 0.5%
static final double BALANCE_ALLOWED_VARIANCE = 0.11; // 10%+delta
static final int DEFAULT_BLOCK_SIZE = 10;

27
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestRBWBlockInvalidation.java
View File

@ -66,7 +66,7 @@ private static NumberReplicas countReplicas(final FSNamesystem namesystem,
* datanode, namenode should ask to invalidate that corrupted block and
* schedule replication for one more replica for that under replicated block.
*/
@Test(timeout=60000)
@Test(timeout=600000)
public void testBlockInvalidationWhenRBWReplicaMissedInDN()
throws IOException, InterruptedException {
// This test cannot pass on Windows due to file locking enforcement. It will
@ -75,7 +75,7 @@ public void testBlockInvalidationWhenRBWReplicaMissedInDN()
Configuration conf = new HdfsConfiguration();
conf.setInt(DFSConfigKeys.DFS_REPLICATION_KEY, 2);
conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 100);
conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 300);
conf.setLong(DFSConfigKeys.DFS_DATANODE_DIRECTORYSCAN_INTERVAL_KEY, 1);
conf.setLong(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1);
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2)
@ -105,22 +105,23 @@ public void testBlockInvalidationWhenRBWReplicaMissedInDN()
out.close();
// Check datanode has reported the corrupt block.
int corruptReplicas = 0;
int liveReplicas = 0;
while (true) {
if ((corruptReplicas = countReplicas(namesystem, blk).corruptReplicas()) > 0) {
if ((liveReplicas = countReplicas(namesystem, blk).liveReplicas()) < 2) {
// This confirms we have a corrupt replica
LOG.info("Live Replicas after corruption: " + liveReplicas);
break;
}
Thread.sleep(100);
}
assertEquals("There should be 1 replica in the corruptReplicasMap", 1,
corruptReplicas);
assertEquals("There should be less than 2 replicas in the "
+ "liveReplicasMap", 1, liveReplicas);
// Check the block has got replicated to another datanode.
blk = DFSTestUtil.getFirstBlock(fs, testPath);
int liveReplicas = 0;
while (true) {
if ((liveReplicas = countReplicas(namesystem, blk).liveReplicas()) > 1) {
if ((liveReplicas =
countReplicas(namesystem, blk).liveReplicas()) > 1) {
//Wait till the live replica count becomes equal to Replication Factor
LOG.info("Live Replicas after Rereplication: " + liveReplicas);
break;
}
Thread.sleep(100);
@ -128,9 +129,9 @@ public void testBlockInvalidationWhenRBWReplicaMissedInDN()
assertEquals("There should be two live replicas", 2,
liveReplicas);
// sleep for 1 second, so that by this time datanode reports the corrupt
// sleep for 2 seconds, so that by this time datanode reports the corrupt
// block after a live replica of block got replicated.
Thread.sleep(1000);
Thread.sleep(2000);
// Check that there is no corrupt block in the corruptReplicasMap.
assertEquals("There should not be any replica in the corruptReplicasMap",

12
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestByteRangeInputStream.java
View File

@ -97,12 +97,13 @@ public String getHeaderField(String field) {
@Test
public void testByteRange() throws IOException {
URLConnectionFactory factory = mock(URLConnectionFactory.class);
HftpFileSystem.RangeHeaderUrlOpener ospy = spy(
new HftpFileSystem.RangeHeaderUrlOpener(new URL("http://test/")));
new HftpFileSystem.RangeHeaderUrlOpener(factory, new URL("http://test/")));
doReturn(new MockHttpURLConnection(ospy.getURL())).when(ospy)
.openConnection();
HftpFileSystem.RangeHeaderUrlOpener rspy = spy(
new HftpFileSystem.RangeHeaderUrlOpener((URL) null));
new HftpFileSystem.RangeHeaderUrlOpener(factory, (URL) null));
doReturn(new MockHttpURLConnection(rspy.getURL())).when(rspy)
.openConnection();
ByteRangeInputStream is = new HftpFileSystem.RangeHeaderInputStream(ospy, rspy);
@ -171,12 +172,15 @@ public void testByteRange() throws IOException {
assertEquals("Should fail because incorrect response code was sent",
"HTTP_OK expected, received 206", e.getMessage());
}
is.close();
}
@Test
public void testPropagatedClose() throws IOException {
ByteRangeInputStream brs = spy(
new HftpFileSystem.RangeHeaderInputStream(new URL("http://test/")));
URLConnectionFactory factory = mock(URLConnectionFactory.class);
ByteRangeInputStream brs = spy(new HftpFileSystem.RangeHeaderInputStream(
factory, new URL("http://test/")));
InputStream mockStream = mock(InputStream.class);
doReturn(mockStream).when(brs).openInputStream();

11
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestHttpsFileSystem.java
View File

@ -19,6 +19,7 @@
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.URI;
@ -30,6 +31,7 @@
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.http.HttpConfig;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
import org.junit.AfterClass;
import org.junit.Assert;
@ -65,9 +67,11 @@ public static void setUp() throws Exception {
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
cluster.waitActive();
cluster.getFileSystem().create(new Path("/test")).close();
OutputStream os = cluster.getFileSystem().create(new Path("/test"));
os.write(23);
os.close();
InetSocketAddress addr = cluster.getNameNode().getHttpsAddress();
nnAddr = addr.getHostName() + ":" + addr.getPort();
nnAddr = NetUtils.getHostPortString(addr);
conf.set(DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY, nnAddr);
}
@ -82,6 +86,9 @@ public static void tearDown() throws Exception {
public void testHsftpFileSystem() throws Exception {
FileSystem fs = FileSystem.get(new URI("hsftp://" + nnAddr), conf);
Assert.assertTrue(fs.exists(new Path("/test")));
InputStream is = fs.open(new Path("/test"));
Assert.assertEquals(23, is.read());
is.close();
fs.close();
}

12
hadoop-mapreduce-project/CHANGES.txt
View File

@ -139,6 +139,18 @@ Trunk (Unreleased)
MAPREDUCE-5717. Task pings are interpreted as task progress (jlowe)
Release 2.5.0 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 2.4.0 - UNRELEASED
INCOMPATIBLE CHANGES

16
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/JobHistoryServer.java
View File

@ -19,6 +19,7 @@
package org.apache.hadoop.mapreduce.v2.hs;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -169,8 +170,21 @@ protected HistoryServerStateStoreService createStateStore(
}
protected void doSecureLogin(Configuration conf) throws IOException {
InetSocketAddress socAddr = getBindAddress(conf);
SecurityUtil.login(conf, JHAdminConfig.MR_HISTORY_KEYTAB,
JHAdminConfig.MR_HISTORY_PRINCIPAL);
JHAdminConfig.MR_HISTORY_PRINCIPAL, socAddr.getHostName());
}
/**
* Retrieve JHS bind address from configuration
*
* @param conf
* @return InetSocketAddress
*/
public static InetSocketAddress getBindAddress(Configuration conf) {
return conf.getSocketAddr(JHAdminConfig.MR_HISTORY_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_PORT);
}
@Override

26
hadoop-yarn-project/CHANGES.txt
View File

@ -15,6 +15,18 @@ Trunk - Unreleased
YARN-524 TestYarnVersionInfo failing if generated properties doesn't
include an SVN URL. (stevel)
Release 2.5.0 - UNRELEASED
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
OPTIMIZATIONS
BUG FIXES
Release 2.4.0 - UNRELEASED
INCOMPATIBLE CHANGES
@ -277,6 +289,20 @@ Release 2.4.0 - UNRELEASED
instead rely on the http policy framework. And also fix some bugs related
to https handling in YARN web-apps. (Haohui Mai via vinodkv)
YARN-1721. When moving app between queues in Fair Scheduler, grab lock on
FSSchedulerApp (Sandy Ryza)
YARN-1724. Race condition in Fair Scheduler when continuous scheduling is
turned on (Sandy Ryza)
YARN-1590. Fixed ResourceManager, web-app proxy and MR JobHistoryServer to
expand _HOST properly in their kerberos principles. (Mohammad Kamrul Islam
va vinodkv)
YARN-1428. Fixed RM to write the final state of RMApp/RMAppAttempt to the
application history store in the transition to the final state. (Contributed
by Zhijie Shen)
Release 2.3.1 - UNRELEASED
INCOMPATIBLE CHANGES

3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
View File

@ -861,6 +861,9 @@ public class YarnConfiguration extends Configuration {
/** The address for the web proxy.*/
public static final String PROXY_ADDRESS =
PROXY_PREFIX + "address";
public static final int DEFAULT_PROXY_PORT = 9099;
public static final String DEFAULT_PROXY_ADDRESS =
"0.0.0.0:" + DEFAULT_RM_PORT;
/**
* YARN Service Level Authorization

17
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
View File

@ -19,6 +19,7 @@
package org.apache.hadoop.yarn.server.resourcemanager;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
@ -894,8 +895,9 @@ protected void serviceStart() throws Exception {
}
protected void doSecureLogin() throws IOException {
InetSocketAddress socAddr = getBindAddress(conf);
SecurityUtil.login(this.conf, YarnConfiguration.RM_KEYTAB,
YarnConfiguration.RM_PRINCIPAL);
YarnConfiguration.RM_PRINCIPAL, socAddr.getHostName());
}
@Override
@ -1042,4 +1044,17 @@ private void resetDispatcher() {
addIfService(rmDispatcher);
rmContext.setDispatcher(rmDispatcher);
}
/**
* Retrieve RM bind address from configuration
*
* @param conf
* @return InetSocketAddress
*/
public static InetSocketAddress getBindAddress(Configuration conf) {
return conf.getSocketAddr(YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_PORT);
}
}

15
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ahs/RMApplicationHistoryWriter.java
View File

@ -43,9 +43,12 @@
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationStartData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ContainerFinishData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ContainerStartData;
import org.apache.hadoop.yarn.server.resourcemanager.RMServerUtils;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
/**
@ -219,12 +222,13 @@ public void applicationStarted(RMApp app) {
}
@SuppressWarnings("unchecked")
public void applicationFinished(RMApp app) {
public void applicationFinished(RMApp app, RMAppState finalState) {
dispatcher.getEventHandler().handle(
new WritingApplicationFinishEvent(app.getApplicationId(),
ApplicationFinishData.newInstance(app.getApplicationId(),
app.getFinishTime(), app.getDiagnostics().toString(),
app.getFinalApplicationStatus(), app.createApplicationState())));
app.getFinalApplicationStatus(),
RMServerUtils.createApplicationState(finalState))));
}
@SuppressWarnings("unchecked")
@ -239,15 +243,16 @@ public void applicationAttemptStarted(RMAppAttempt appAttempt) {
}
@SuppressWarnings("unchecked")
public void applicationAttemptFinished(RMAppAttempt appAttempt) {
public void applicationAttemptFinished(RMAppAttempt appAttempt,
RMAppAttemptState finalState) {
if (historyServiceEnabled) {
dispatcher.getEventHandler().handle(
new WritingApplicationAttemptFinishEvent(appAttempt.getAppAttemptId(),
ApplicationAttemptFinishData.newInstance(
appAttempt.getAppAttemptId(), appAttempt.getDiagnostics()
.toString(), appAttempt.getTrackingUrl(), appAttempt
.getFinalApplicationStatus(), appAttempt
.createApplicationAttemptState())));
.getFinalApplicationStatus(),
RMServerUtils.createApplicationAttemptState(finalState))));
}
}

30
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
View File

@ -112,9 +112,7 @@ public class RMAppImpl implements RMApp, Recoverable {
private long storedFinishTime = 0;
private RMAppAttempt currentAttempt;
private String queue;
@SuppressWarnings("rawtypes")
private EventHandler handler;
private static final FinalTransition FINAL_TRANSITION = new FinalTransition();
private static final AppFinishedTransition FINISHED_TRANSITION =
new AppFinishedTransition();
@ -705,7 +703,6 @@ public void transition(RMAppImpl app, RMAppEvent event) {
* either as an exception for failure or null for success, or the client will
* be left waiting forever.
*/
@SuppressWarnings("unchecked")
private static final class RMAppMoveTransition extends RMAppTransition {
public void transition(RMAppImpl app, RMAppEvent event) {
RMAppMoveEvent moveEvent = (RMAppMoveEvent) event;
@ -723,7 +720,6 @@ public void transition(RMAppImpl app, RMAppEvent event) {
}
}
@SuppressWarnings("unchecked")
private static final class RMAppRecoveredTransition implements
MultipleArcTransition<RMAppImpl, RMAppEvent, RMAppState> {
@ -742,7 +738,7 @@ public RMAppState transition(RMAppImpl app, RMAppEvent event) {
// The app has completed.
if (app.recoveredFinalState != null) {
FINAL_TRANSITION.transition(app, event);
new FinalTransition(app.recoveredFinalState).transition(app, event);
return app.recoveredFinalState;
}
@ -824,7 +820,7 @@ public void transition(RMAppImpl app, RMAppEvent event) {
LOG.info(msg);
app.diagnostics.append(msg);
// Inform the node for app-finish
FINAL_TRANSITION.transition(app, event);
new FinalTransition(RMAppState.FAILED).transition(app, event);
}
}
@ -937,6 +933,10 @@ public void transition(RMAppImpl app, RMAppEvent event) {
}
private static class AppFinishedTransition extends FinalTransition {
public AppFinishedTransition() {
super(RMAppState.FINISHED);
}
public void transition(RMAppImpl app, RMAppEvent event) {
RMAppFinishedAttemptEvent finishedEvent =
(RMAppFinishedAttemptEvent)event;
@ -980,6 +980,10 @@ public void transition(RMAppImpl app, RMAppEvent event) {
private static class AppKilledTransition extends FinalTransition {
public AppKilledTransition() {
super(RMAppState.KILLED);
}
@Override
public void transition(RMAppImpl app, RMAppEvent event) {
app.diagnostics.append(getAppKilledDiagnostics());
@ -1002,6 +1006,10 @@ public void transition(RMAppImpl app, RMAppEvent event) {
private static final class AppRejectedTransition extends
FinalTransition{
public AppRejectedTransition() {
super(RMAppState.FAILED);
}
public void transition(RMAppImpl app, RMAppEvent event) {
RMAppRejectedEvent rejectedEvent = (RMAppRejectedEvent)event;
app.diagnostics.append(rejectedEvent.getMessage());
@ -1011,6 +1019,12 @@ public void transition(RMAppImpl app, RMAppEvent event) {
private static class FinalTransition extends RMAppTransition {
private final RMAppState finalState;
public FinalTransition(RMAppState finalState) {
this.finalState = finalState;
}
private Set<NodeId> getNodesOnWhichAttemptRan(RMAppImpl app) {
Set<NodeId> nodes = new HashSet<NodeId>();
for (RMAppAttempt attempt : app.attempts.values()) {
@ -1035,10 +1049,8 @@ public void transition(RMAppImpl app, RMAppEvent event) {
new RMAppManagerEvent(app.applicationId,
RMAppManagerEventType.APP_COMPLETED));
// TODO: We need to fix for the problem that RMApp enters the final state
// after RMAppAttempt in the killing case
app.rmContext.getRMApplicationHistoryWriter()
.applicationFinished(app);
.applicationFinished(app, finalState);
};
}

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
View File

@ -1053,7 +1053,7 @@ public void transition(RMAppAttemptImpl appAttempt,
appAttempt.removeCredentials(appAttempt);
appAttempt.rmContext.getRMApplicationHistoryWriter()
.applicationAttemptFinished(appAttempt);
.applicationAttemptFinished(appAttempt, finalAttemptState);
}
}

14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java
View File

@ -989,7 +989,13 @@ private synchronized void nodeUpdate(RMNode nm) {
private void continuousScheduling() {
while (true) {
List<NodeId> nodeIdList = new ArrayList<NodeId>(nodes.keySet());
// Sort the nodes by space available on them, so that we offer
// containers on emptier nodes first, facilitating an even spread. This
// requires holding the scheduler lock, so that the space available on a
// node doesn't change during the sort.
synchronized (this) {
Collections.sort(nodeIdList, nodeAvailableResourceComparator);
}
// iterate all nodes
for (NodeId nodeId : nodeIdList) {
@ -1366,7 +1372,8 @@ public synchronized String moveApplication(ApplicationId appId,
throw new YarnException("App to be moved " + appId + " not found.");
}
FSSchedulerApp attempt = (FSSchedulerApp) app.getCurrentAppAttempt();
// To serialize with FairScheduler#allocate, synchronize on app attempt
synchronized (attempt) {
FSLeafQueue oldQueue = (FSLeafQueue) app.getQueue();
FSLeafQueue targetQueue = queueMgr.getLeafQueue(queueName, false);
if (targetQueue == null) {
@ -1385,6 +1392,7 @@ public synchronized String moveApplication(ApplicationId appId,
executeMove(app, attempt, oldQueue, targetQueue);
return targetQueue.getQueueName();
}
}
private void verifyMoveDoesNotViolateConstraints(FSSchedulerApp app,
FSLeafQueue oldQueue, FSLeafQueue targetQueue) throws YarnException {
@ -1420,8 +1428,8 @@ private void verifyMoveDoesNotViolateConstraints(FSSchedulerApp app,
}
/**
* Helper for moveApplication, which is synchronized, so all operations will
* be atomic.
* Helper for moveApplication, which has appropriate synchronization, so all
* operations will be atomic.
*/
private void executeMove(SchedulerApplication app, FSSchedulerApp attempt,
FSLeafQueue oldQueue, FSLeafQueue newQueue) {

18
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ahs/TestRMApplicationHistoryWriter.java
View File

@ -137,8 +137,6 @@ private static RMApp createRMApp(ApplicationId appId) {
new StringBuilder("test diagnostics info"));
when(app.getFinalApplicationStatus()).thenReturn(
FinalApplicationStatus.UNDEFINED);
when(app.createApplicationState())
.thenReturn(YarnApplicationState.FINISHED);
return app;
}
@ -156,8 +154,6 @@ private static RMAppAttempt createRMAppAttempt(
when(appAttempt.getTrackingUrl()).thenReturn("test url");
when(appAttempt.getFinalApplicationStatus()).thenReturn(
FinalApplicationStatus.UNDEFINED);
when(appAttempt.createApplicationAttemptState()).thenReturn(
YarnApplicationAttemptState.FINISHED);
return appAttempt;
}
@ -200,7 +196,7 @@ public void testWriteApplication() throws Exception {
Assert.assertEquals(0L, appHD.getSubmitTime());
Assert.assertEquals(1L, appHD.getStartTime());
writer.applicationFinished(app);
writer.applicationFinished(app, RMAppState.FINISHED);
for (int i = 0; i < MAX_RETRIES; ++i) {
appHD = store.getApplication(ApplicationId.newInstance(0, 1));
if (appHD.getYarnApplicationState() != null) {
@ -241,7 +237,7 @@ public void testWriteApplicationAttempt() throws Exception {
ApplicationAttemptId.newInstance(ApplicationId.newInstance(0, 1), 1), 1),
appAttemptHD.getMasterContainerId());
writer.applicationAttemptFinished(appAttempt);
writer.applicationAttemptFinished(appAttempt, RMAppAttemptState.FINISHED);
for (int i = 0; i < MAX_RETRIES; ++i) {
appAttemptHD =
store.getApplicationAttempt(ApplicationAttemptId.newInstance(
@ -326,9 +322,10 @@ public void testParallelWrite() throws Exception {
writer.containerStarted(container);
writer.containerFinished(container);
}
writer.applicationAttemptFinished(appAttempt);
writer.applicationAttemptFinished(
appAttempt, RMAppAttemptState.FINISHED);
}
writer.applicationFinished(app);
writer.applicationFinished(app, RMAppState.FINISHED);
}
for (int i = 0; i < MAX_RETRIES; ++i) {
if (allEventsHandled(20 * 10 * 10 + 20 * 10 + 20)) {
@ -369,7 +366,7 @@ public void applicationStarted(RMApp app) {
}
@Override
public void applicationFinished(RMApp app) {
public void applicationFinished(RMApp app, RMAppState finalState) {
}
@Override
@ -377,7 +374,8 @@ public void applicationAttemptStarted(RMAppAttempt appAttempt) {
}
@Override
public void applicationAttemptFinished(RMAppAttempt appAttempt) {
public void applicationAttemptFinished(
RMAppAttempt appAttempt, RMAppAttemptState finalState) {
}
@Override

45
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
View File

@ -57,7 +57,6 @@
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptUpdateSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.ContainerAllocationExpirer;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
@ -71,6 +70,7 @@
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.mockito.ArgumentCaptor;
@RunWith(value = Parameterized.class)
@ -308,16 +308,6 @@ private void assertKilled(RMApp application) {
"Application killed by user.", diag.toString());
}
private void assertAppAndAttemptKilled(RMApp application)
throws InterruptedException {
sendAttemptUpdateSavedEvent(application);
sendAppUpdateSavedEvent(application);
assertKilled(application);
Assert.assertEquals(RMAppAttemptState.KILLED, application
.getCurrentAppAttempt().getAppAttemptState());
assertAppFinalStateSaved(application);
}
private void assertFailed(RMApp application, String regex) {
assertTimesAtFinish(application);
assertAppState(RMAppState.FAILED, application);
@ -511,7 +501,7 @@ public void testAppNewKill() throws IOException {
sendAppUpdateSavedEvent(application);
assertKilled(application);
assertAppFinalStateNotSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.KILLED);
}
@Test
@ -528,7 +518,7 @@ public void testAppNewReject() throws IOException {
sendAppUpdateSavedEvent(application);
assertFailed(application, rejectedText);
assertAppFinalStateNotSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.FAILED);
}
@Test (timeout = 30000)
@ -543,7 +533,7 @@ public void testAppNewSavingKill() throws IOException {
rmDispatcher.await();
sendAppUpdateSavedEvent(application);
assertKilled(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.KILLED);
}
@Test (timeout = 30000)
@ -560,7 +550,7 @@ public void testAppNewSavingReject() throws IOException {
sendAppUpdateSavedEvent(application);
assertFailed(application, rejectedText);
assertAppFinalStateSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.FAILED);
}
@Test (timeout = 30000)
@ -577,7 +567,7 @@ public void testAppSubmittedRejected() throws IOException {
sendAppUpdateSavedEvent(application);
assertFailed(application, rejectedText);
assertAppFinalStateSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.FAILED);
}
@Test
@ -592,7 +582,7 @@ public void testAppSubmittedKill() throws IOException, InterruptedException {
sendAppUpdateSavedEvent(application);
assertKilled(application);
assertAppFinalStateSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.KILLED);
}
@Test
@ -627,7 +617,7 @@ public void testAppAcceptedFailed() throws IOException {
sendAppUpdateSavedEvent(application);
assertFailed(application, ".*" + message + ".*Failing the application.*");
assertAppFinalStateSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.FAILED);
}
@Test
@ -649,7 +639,7 @@ public void testAppAcceptedKill() throws IOException, InterruptedException {
sendAppUpdateSavedEvent(application);
assertKilled(application);
assertAppFinalStateSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.KILLED);
}
@Test
@ -672,7 +662,7 @@ public void testAppRunningKill() throws IOException {
sendAttemptUpdateSavedEvent(application);
sendAppUpdateSavedEvent(application);
assertKilled(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.KILLED);
}
@Test
@ -727,7 +717,7 @@ public void testAppRunningFailed() throws IOException {
rmDispatcher.await();
assertFailed(application, ".*Failing the application.*");
assertAppFinalStateSaved(application);
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.FAILED);
}
@Test
@ -785,7 +775,7 @@ public void testAppFinishedFinished() throws IOException {
StringBuilder diag = application.getDiagnostics();
Assert.assertEquals("application diagnostics is not correct",
"", diag.toString());
verify(writer).applicationFinished(any(RMApp.class));
verifyApplicationFinished(RMAppState.FINISHED);
}
@Test (timeout = 30000)
@ -810,10 +800,10 @@ public void testAppFailedFailed() throws IOException {
rmDispatcher.await();
assertTimesAtFinish(application);
assertAppState(RMAppState.FAILED, application);
verifyApplicationFinished(RMAppState.FAILED);
assertTimesAtFinish(application);
assertAppState(RMAppState.FAILED, application);
verify(writer).applicationFinished(any(RMApp.class));
}
@Test (timeout = 30000)
@ -856,10 +846,10 @@ public void testAppKilledKilled() throws IOException {
rmDispatcher.await();
assertTimesAtFinish(application);
assertAppState(RMAppState.KILLED, application);
verifyApplicationFinished(RMAppState.KILLED);
assertTimesAtFinish(application);
assertAppState(RMAppState.KILLED, application);
verify(writer).applicationFinished(any(RMApp.class));
}
@Test
@ -871,4 +861,11 @@ public void testGetAppReport() {
report = app.createAndGetApplicationReport("clientuser", true);
Assert.assertNotNull(report.getApplicationResourceUsageReport());
}
private void verifyApplicationFinished(RMAppState state) {
ArgumentCaptor<RMAppState> finalState =
ArgumentCaptor.forClass(RMAppState.class);
verify(writer).applicationFinished(any(RMApp.class), finalState.capture());
Assert.assertEquals(state, finalState.getValue());
}
}

25
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptTransitions.java
View File

@ -103,6 +103,7 @@
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.mockito.ArgumentCaptor;
@RunWith(value = Parameterized.class)
public class TestRMAppAttemptTransitions {
@ -367,6 +368,7 @@ private void testAppAttemptSubmittedToFailedState(String diagnostics) {
// verify(application).handle(anyObject());
verify(application).handle(any(RMAppRejectedEvent.class));
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
/**
@ -384,9 +386,9 @@ private void testAppAttemptKilledState(Container amContainer,
assertEquals(0, applicationAttempt.getRanNodes().size());
assertNull(applicationAttempt.getFinalApplicationStatus());
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verify(writer).applicationAttemptFinished(any(RMAppAttempt.class));
verifyAttemptFinalStateSaved();
assertFalse(transferStateFromPreviousAttempt);
verifyApplicationAttemptFinished(RMAppAttemptState.KILLED);
}
/**
@ -460,8 +462,8 @@ private void testAppAttemptFailedState(Container container,
// Check events
verify(application, times(1)).handle(any(RMAppFailedAttemptEvent.class));
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verify(writer).applicationAttemptFinished(any(RMAppAttempt.class));
verifyAttemptFinalStateSaved();
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
/**
@ -496,7 +498,6 @@ private void testAppAttemptRunningState(Container container,
assertEquals(getProxyUrl(applicationAttempt),
applicationAttempt.getTrackingUrl());
}
verify(writer).applicationAttemptStarted(any(RMAppAttempt.class));
// TODO - need to add more checks relevant to this state
}
@ -544,6 +545,7 @@ private void testAppAttemptFinishedState(Container container,
assertEquals(finalStatus, applicationAttempt.getFinalApplicationStatus());
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
assertFalse(transferStateFromPreviousAttempt);
verifyApplicationAttemptFinished(RMAppAttemptState.FINISHED);
}
@ -806,7 +808,7 @@ public void testAMCrashAtAllocated() {
assertEquals(RMAppAttemptState.FAILED,
applicationAttempt.getAppAttemptState());
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verify(writer).applicationAttemptFinished(any(RMAppAttempt.class));
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
@Test
@ -846,6 +848,7 @@ public void testRunningToFailed() {
assertEquals(rmAppPageUrl, applicationAttempt.getOriginalTrackingUrl());
assertEquals(rmAppPageUrl, applicationAttempt.getTrackingUrl());
verifyAMHostAndPortInvalidated();
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
@Test
@ -883,6 +886,7 @@ public void testRunningToKilled() {
assertEquals(rmAppPageUrl, applicationAttempt.getTrackingUrl());
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verifyAMHostAndPortInvalidated();
verifyApplicationAttemptFinished(RMAppAttemptState.KILLED);
}
@Test(timeout=10000)
@ -903,6 +907,7 @@ public void testLaunchedExpire() {
assertEquals(rmAppPageUrl, applicationAttempt.getOriginalTrackingUrl());
assertEquals(rmAppPageUrl, applicationAttempt.getTrackingUrl());
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
@Test(timeout=20000)
@ -925,6 +930,7 @@ public void testRunningExpire() {
assertEquals(rmAppPageUrl, applicationAttempt.getTrackingUrl());
verifyTokenCount(applicationAttempt.getAppAttemptId(), 1);
verifyAMHostAndPortInvalidated();
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
@Test
@ -1177,6 +1183,7 @@ public void testFailedToFailed() {
applicationAttempt.getAppAttemptState());
// should not kill containers when attempt fails.
assertTrue(transferStateFromPreviousAttempt);
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
// failed attempt captured the container finished event.
assertEquals(0, applicationAttempt.getJustFinishedContainers().size());
@ -1216,6 +1223,7 @@ scheduler, masterService, submissionContext, new Configuration(),
assertEquals(RMAppAttemptState.FAILED,
applicationAttempt.getAppAttemptState());
assertFalse(transferStateFromPreviousAttempt);
verifyApplicationAttemptFinished(RMAppAttemptState.FAILED);
}
private void verifyTokenCount(ApplicationAttemptId appAttemptId, int count) {
@ -1245,4 +1253,13 @@ private void verifyAMHostAndPortInvalidated() {
assertEquals("N/A", applicationAttempt.getHost());
assertEquals(-1, applicationAttempt.getRpcPort());
}
private void verifyApplicationAttemptFinished(RMAppAttemptState state) {
ArgumentCaptor<RMAppAttemptState> finalState =
ArgumentCaptor.forClass(RMAppAttemptState.class);
verify(writer).applicationAttemptFinished(
any(RMAppAttempt.class), finalState.capture());
Assert.assertEquals(state, finalState.getValue());
}
}

16
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxyServer.java
View File

@ -19,6 +19,7 @@
package org.apache.hadoop.yarn.server.webproxy;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -69,8 +70,21 @@ protected void serviceInit(Configuration conf) throws Exception {
* @throws IOException on any error.
*/
protected void doSecureLogin(Configuration conf) throws IOException {
InetSocketAddress socAddr = getBindAddress(conf);
SecurityUtil.login(conf, YarnConfiguration.PROXY_KEYTAB,
YarnConfiguration.PROXY_PRINCIPAL);
YarnConfiguration.PROXY_PRINCIPAL, socAddr.getHostName());
}
/**
* Retrieve PROXY bind address from configuration
*
* @param conf
* @return InetSocketAddress
*/
public static InetSocketAddress getBindAddress(Configuration conf) {
return conf.getSocketAddr(YarnConfiguration.PROXY_ADDRESS,
YarnConfiguration.DEFAULT_PROXY_ADDRESS,
YarnConfiguration.DEFAULT_PROXY_PORT);
}
public static void main(String[] args) {