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From "Nishan Shetty (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6049) AM JVM does not exit if MRClientService gracefull shutdown fails
Date Thu, 25 Sep 2014 03:34:33 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14147319#comment-14147319
] 

Nishan Shetty commented on MAPREDUCE-6049:
------------------------------------------

Hi [~devaraj.k]Sorry i could not attach logs since the cluster is deleted. I will try to reproduce
the same 

> AM JVM does not exit if MRClientService gracefull shutdown fails
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-6049
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6049
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, resourcemanager
>    Affects Versions: 2.5.0
>            Reporter: Nishan Shetty
>            Assignee: Rohith
>         Attachments: AM_ThreadDump.td, MAPREDUCE-6049.patch, MAPREDUCE-6049.patch
>
>
> Eventhough job got FAILED, AM process still not exiting
> ThreadDump of AM process is below
> {noformat}
> "Job Fail Wait Timeout Monitor #0" daemon prio=10 tid=0x0000000000aa9000 nid=0x41fa waiting
on condition [0x00007f0e0d1d0000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000c104c688> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1079)
> 	at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807)
> 	at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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