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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2995) MR AM crashes when a container-launch hangs on a faulty NM
Date Tue, 13 Sep 2011 10:22:09 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-2995:
-----------------------------------------------

    Status: Patch Available  (was: Open)

> MR AM crashes when a container-launch hangs on a faulty NM
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-2995
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2995
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2995-20110913.txt
>
>
> AM tries to launch containers on a faulty node which blocks several/all of the {{StartContainer}}
requests. Eventually, RM expires the container-allocations, informs the AM about container-expiry.
But AM crashes with an INTERNAL_ERROR as the event is unexpected.
> {code}
> 11/09/12 14:11:38 ERROR impl.TaskAttemptImpl: Can't handle this event at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: TA_CONTAINER_COMPLETED
at ASSIGNED
>         at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:297)
>         at org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:39)
>         at org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:439)
>         at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:903)
>         at org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl.handle(TaskAttemptImpl.java:127)
>         at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:543)
>         at org.apache.hadoop.mapreduce.v2.app.MRAppMaster$TaskAttemptEventDispatcher.handle(MRAppMaster.java:536)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:113)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:75)
>         at java.lang.Thread.run(Thread.java:619)
> {code}
> Found this on a big cluster where [~karams] was trying to get sort running.

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