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https://issues.apache.org/jira/browse/MAPREDUCE-6711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prabhu Joseph updated MAPREDUCE-6711:
-------------------------------------
    Assignee: Prabhu Joseph

> JobImpl fails to handle preemption events on state COMMITTING
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-6711
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6711
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Li Lu
>            Assignee: Prabhu Joseph
>
> When a MR app being preempted on COMMITTING state, we saw the following 
> exceptions in its log:
> {code}
> ERROR [AsyncDispatcher event handler] 
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl: Can't handle this event 
> at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: 
> JOB_TASK_ATTEMPT_COMPLETED at COMMITTING
>         at 
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:305)
>         at 
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>         at 
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>         at 
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:996)
>         at 
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:138)
>         at 
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1289)
>         at 
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1285)
>         at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:182)
>         at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>         at java.lang.Thread.run(Thread.java:744)
> {code}
> and 
> {code}
> ERROR [AsyncDispatcher event handler] 
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl: Can't handle this event 
> at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: 
> JOB_MAP_TASK_RESCHEDULED at COMMITTING
>         at 
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:305)
>         at 
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
>         at 
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
>         at 
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:996)
> at 
> org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:138)
>         at 
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1289)
>         at 
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:1285)
>         at 
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:182)
>         at 
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:108)
>         at java.lang.Thread.run(Thread.java:744)
> {code}
> Seems like we need to handle those preemption related events when the job is 
> being committed? 



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