[ 
https://issues.apache.org/jira/browse/YARN-5036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wangda Tan reassigned YARN-5036:
--------------------------------

    Assignee: Wangda Tan

> RM crashed with NPE while handling CONTAINER_EXPIRED event
> ----------------------------------------------------------
>
>                 Key: YARN-5036
>                 URL: https://issues.apache.org/jira/browse/YARN-5036
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler, resourcemanager
>    Affects Versions: 2.9.0
>            Reporter: Karam Singh
>            Assignee: Wangda Tan
>
> I was running some tpcds queries against branch-2, build and after some hours 
> RM crashed with following exception:
> 2016-04-30 08:40:34,332 [Ping Checker] INFO 
> org.apache.hadoop.yarn.util.AbstractLivelinessMonitor: 
> Expired:<container=container_1461941833306_0345_01_007806, increase=false> 
> Timed out after 600 secs
> 2016-04-30 08:40:34,333 [ResourceManager Event Processor] FATAL 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in 
> handling event type CONTAINER_EXPIRED to the scheduler
> java.lang.NullPointerException
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.completedContainer(LeafQueue.java:1327)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.completedContainerInternal(CapacityScheduler.java:1595)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.completedContainer(AbstractYarnScheduler.java:527)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1430)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:139)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:771)
>         at java.lang.Thread.run(Thread.java:745)
> 2016-04-30 08:40:34,333 [ResourceManager Event Processor] INFO 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Exiting, bbye..
> 2016-04-30 08:40:36,632 [Thread[Thread-185,5,main]] ERROR 
> org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
>  ExpiredTokenRemover received java.lang.InterruptedException:
>  sleep interrupted
> /cc [~leftnoteasy]



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