merge -r 1359399:1359400 from branch-2. FIXES: MAPREDUCE-4300

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1359403 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -301,6 +301,9 @@ Release 0.23.3 - UNRELEASED
     MAPREDUCE-4402. TestFileInputFormat fails intermittently (Jason Lowe via
     bobby)
 
+    MAPREDUCE-4300. OOM in AM can turn it into a zombie. (Robert Evans via
+    tgraves)
+
 Release 0.23.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

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

@@ -58,6 +58,7 @@ import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
 import org.apache.hadoop.util.DiskChecker.DiskErrorException;
 import org.apache.hadoop.util.StringUtils;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.api.ApplicationConstants;
 import org.apache.log4j.LogManager;
 
@@ -71,6 +72,7 @@ class YarnChild {
   static volatile TaskAttemptID taskid = null;
 
   public static void main(String[] args) throws Throwable {
+    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
     LOG.debug("Child starting");
 
     final JobConf defaultConf = new JobConf();

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

@@ -95,6 +95,7 @@ import org.apache.hadoop.yarn.Clock;
 import org.apache.hadoop.yarn.ClusterInfo;
 import org.apache.hadoop.yarn.SystemClock;
 import org.apache.hadoop.yarn.YarnException;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.api.ApplicationConstants;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
@@ -969,6 +970,7 @@ public class MRAppMaster extends CompositeService {
 
   public static void main(String[] args) {
     try {
+      Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
       String containerIdStr =
           System.getenv(ApplicationConstants.AM_CONTAINER_ID_ENV);
       String nodeHostString = System.getenv(ApplicationConstants.NM_HOST_ENV);

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

@@ -31,6 +31,7 @@ import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.util.ShutdownHookManager;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.YarnException;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.service.CompositeService;
@@ -122,6 +123,7 @@ public class JobHistoryServer extends CompositeService {
   }
 
   public static void main(String[] args) {
+    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
     StringUtils.startupShutdownMessage(JobHistoryServer.class, args, LOG);
     try {
       JobHistoryServer jobHistoryServer = new JobHistoryServer();

hadoop-mapreduce-project/hadoop-yarn/dev-support/findbugs-exclude.xml

@@ -187,6 +187,11 @@
     <Class name="org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer$DelegationTokenCancelThread" />
     <Bug pattern="DM_EXIT" />
   </Match>
+  <Match>
+    <Class name="org.apache.hadoop.yarn.YarnUncaughtExceptionHandler"/>
+    <Bug pattern="DM_EXIT"/>
+  </Match>
+
   <!-- AsyncDispatcher will kill the process if there is an error dispatching -->
   <Match>
     <Class name="org.apache.hadoop.yarn.event.AsyncDispatcher" />

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/YarnUncaughtExceptionHandler.java

@@ -0,0 +1,66 @@
+/**
+* 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.yarn;
+
+import java.lang.Thread.UncaughtExceptionHandler;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.util.ShutdownHookManager;
+
+/**
+ * This class is intended to be installed by calling 
+ * {@link Thread#setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler)}
+ * In the main entry point.  It is intended to try and cleanly shut down
+ * programs using the Yarn Event framework.
+ * 
+ * Note: Right now it only will shut down the program if a Error is caught, but
+ * not any other exception.  Anything else is just logged.
+ */
+public class YarnUncaughtExceptionHandler implements UncaughtExceptionHandler {
+  private static final Log LOG = LogFactory.getLog(YarnUncaughtExceptionHandler.class);
+  
+  @Override
+  public void uncaughtException(Thread t, Throwable e) {
+    if(ShutdownHookManager.get().isShutdownInProgress()) {
+      LOG.error("Thread " + t + " threw an Throwable, but we are shutting " +
+      		"down, so ignoring this", e);
+    } else if(e instanceof Error) {
+      try {
+        LOG.fatal("Thread " + t + " threw an Error.  Shutting down now...", e);
+      } catch (Throwable err) {
+        //We don't want to not exit because of an issue with logging
+      }
+      if(e instanceof OutOfMemoryError) {
+        //After catching an OOM java says it is undefined behavior, so don't
+        //even try to clean up or we can get stuck on shutdown.
+        try {
+          System.err.println("Halting due to Out Of Memory Error...");
+        } catch (Throwable err) {
+          //Again we done want to exit because of logging issues.
+        }
+        Runtime.getRuntime().halt(-1);
+      } else {
+        System.exit(-1);
+      }
+    } else {
+      LOG.error("Thread " + t + " threw an Exception.", e);
+    }
+  }
+}

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java

@@ -33,6 +33,7 @@ import org.apache.hadoop.util.ReflectionUtils;
 import org.apache.hadoop.util.ShutdownHookManager;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.YarnException;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.NodeHealthStatus;
@@ -279,6 +280,7 @@ public class NodeManager extends CompositeService implements
   }
 
   public static void main(String[] args) {
+    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
     StringUtils.startupShutdownMessage(NodeManager.class, args, LOG);
     NodeManager nodeManager = new NodeManager();
     nodeManager.initAndStartNodeManager(false);

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ContainerLocalizer.java

@@ -50,6 +50,7 @@ import org.apache.hadoop.security.Credentials;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
@@ -315,6 +316,7 @@ public class ContainerLocalizer {
   }
 
   public static void main(String[] argv) throws Throwable {
+    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
     // usage: $0 user appId locId host port app_log_dir user_dir [user_dir]*
     // let $x = $x/usercache for $local.dir
     // MKDIR $x/$user/appcache/$appid

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java

@@ -34,6 +34,7 @@ import org.apache.hadoop.util.ReflectionUtils;
 import org.apache.hadoop.util.ShutdownHookManager;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.YarnException;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.NodeId;
@@ -610,6 +611,7 @@ public class ResourceManager extends CompositeService implements Recoverable {
   }
   
   public static void main(String argv[]) {
+    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
     StringUtils.startupShutdownMessage(ResourceManager.class, argv, LOG);
     try {
       Configuration conf = new YarnConfiguration();

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

@@ -27,6 +27,7 @@ import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.util.ShutdownHookManager;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.YarnException;
+import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.service.CompositeService;
 
@@ -73,6 +74,7 @@ public class WebAppProxyServer extends CompositeService {
   }
 
   public static void main(String[] args) {
+    Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
     StringUtils.startupShutdownMessage(WebAppProxyServer.class, args, LOG);
     try {
       WebAppProxyServer proxy = new WebAppProxyServer();