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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4152) NM crash when LogAggregationService#stopContainer called for absent container
Date Sat, 12 Sep 2015 15:11:45 GMT

    [ https://issues.apache.org/jira/browse/YARN-4152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742082#comment-14742082
] 

Bibin A Chundatt commented on YARN-4152:
----------------------------------------

LogAggregationService#stopContainer
{code}
    ContainerType containerType = context.getContainers().get(
        containerId).getContainerTokenIdentifier().getContainerType();
{code}

> NM crash when LogAggregationService#stopContainer called for absent container
> -----------------------------------------------------------------------------
>
>                 Key: YARN-4152
>                 URL: https://issues.apache.org/jira/browse/YARN-4152
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Critical
>
> NM crash during of log aggregation.
> Ran Pi job with 500 container and killed application in between
> *Logs*
> {code}
> 2015-09-12 18:44:25,597 WARN org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor:
Exit code from container container_e51_1442063466801_0001_01_000099 is : 143
> 2015-09-12 18:44:25,670 WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl:
Event EventType: KILL_CONTAINER sent to absent container container_e51_1442063466801_0001_01_000101
> 2015-09-12 18:44:25,670 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationImpl:
Removing container_e51_1442063466801_0001_01_000101 from application application_1442063466801_0001
> 2015-09-12 18:44:25,670 FATAL org.apache.hadoop.yarn.event.AsyncDispatcher: Error in
dispatcher thread
> java.lang.NullPointerException
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.stopContainer(LogAggregationService.java:422)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.handle(LogAggregationService.java:456)
>         at org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService.handle(LogAggregationService.java:68)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:183)
>         at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:109)
>         at java.lang.Thread.run(Thread.java:745)
> 2015-09-12 18:44:25,692 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
Got event CONTAINER_STOP for appId application_1442063466801_0001
> 2015-09-12 18:44:25,692 INFO org.apache.hadoop.yarn.event.AsyncDispatcher: Exiting, bbye..
> 2015-09-12 18:44:25,692 INFO org.apache.hadoop.yarn.server.nodemanager.NMAuditLogger:
USER=dsperf       OPERATION=Container Finished - Succeeded        TARGET=ContainerImpl   
RESULT=SUCCESS  APPID=application_1442063466801_0001    CONTAINERID=container_e51_1442063466801_0001_01_000100
> {code}
> *Analysis*
> Looks like for absent container also {{stopContainer}} is called 
> {code}
>       case CONTAINER_FINISHED:
>         LogHandlerContainerFinishedEvent containerFinishEvent =
>             (LogHandlerContainerFinishedEvent) event;
>         stopContainer(containerFinishEvent.getContainerId(),
>             containerFinishEvent.getExitCode());
>         break;
> {code}
> *Event EventType: KILL_CONTAINER sent to absent container container_e51_1442063466801_0001_01_000101*
> Should skip when {{null==context.getContainers().get(containerId)}} 



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