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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2995) MR AM crashes when a container-launch hangs on a faulty NM
Date Tue, 13 Sep 2011 09:50:09 GMT
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


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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