[jira] [Created] (MAPREDUCE-6492) AsyncDispatcher exit with NPE on TaskAttemptImpl#sendJHStartEventForAssignedFailTask

["Bibin A Chundatt (JIRA)" <ji...@apache.org>]

Bibin A Chundatt created MAPREDUCE-6492:
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             Summary: 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


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}



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