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https://issues.apache.org/jira/browse/MAPREDUCE-6492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Junping Du updated MAPREDUCE-6492:
----------------------------------
Fix Version/s: 2.8.0
> AsyncDispatcher exit with NPE on
> TaskAttemptImpl#sendJHStartEventForAssignedFailTask
> ------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6492
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6492
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Critical
> Fix For: 2.8.0, 2.7.2, 2.6.4, 3.0.0-alpha1
>
> Attachments: 0002-MAPREDUCE-6492.patch, 0003-MAPREDUCE-6492.patch,
> MAPREDUCE-6492.patch
>
>
> For {{TaskAttemptImpl#DeallocateContainerTransition}}
> {{sendJHStartEventForAssignedFailTask}} is send for
> TaskAttemptStateInternal.UNASSIGNED also .
> Causing NPE on {{taskAttempt.container.getNodeHttpAddress()}}
> {noformat}
> 2015-09-28 18:01:48,656 FATAL [AsyncDispatcher event handler]
> org.apache.hadoop.yarn.event.AsyncDispatcher: Error in dispatcher thread
> java.lang.NullPointerException
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.sendJHStartEventForAssignedFailTask(TaskAttemptImpl.java:1494)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.access$2900(TaskAttemptImpl.java:147)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl$DeallocateContainerTransition.transition(TaskAttemptImpl.java:1700)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl$DeallocateContainerTransition.transition(TaskAttemptImpl.java:1686)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.access$3(StateMachineFactory.java:290)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:1190)
> at
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:146)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:1415)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:1407)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:183)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
> at java.lang.Thread.run(Thread.java:745)
> 2015-09-28 18:01:48,660 INFO [AsyncDispatcher ShutDown handler]
> org.apache.hadoop.yarn.event.AsyncDispatcher: Exiting, bbye..
> 2015-09-28 18:01:48,660 INFO [ContainerLauncher #6]
> org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl: Processing
> the event EventType: CONTAINER_REMOTE_CLEANUP for container
> container_e04_1443430524957_0006_01_000059 taskAttempt
> attempt_1443430524957_0006_m_000000_9
> {noformat}
> Log aggregation fail for mapreduce application.
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