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From "tangshangwen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4539) CommonNodeLabelsManager throw NullPointerException when the fairScheduler init failed
Date Mon, 04 Jan 2016 18:23:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-4539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15081522#comment-15081522
] 

tangshangwen commented on YARN-4539:
------------------------------------

Yes, Thank you for your comment!!:D

> CommonNodeLabelsManager throw NullPointerException when the fairScheduler init failed
> -------------------------------------------------------------------------------------
>
>                 Key: YARN-4539
>                 URL: https://issues.apache.org/jira/browse/YARN-4539
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.7.1
>            Reporter: tangshangwen
>            Assignee: tangshangwen
>         Attachments: YARN-4539.1.patch
>
>
> When the scheduler initialization failed and RM stop compositeService cause the CommonNodeLabelsManager
throw NullPointerException.
> {noformat}
> 2016-01-04 22:19:52,190 INFO org.apache.hadoop.service.AbstractService: Service org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler
failed in state INITED; cause: java.io.IOException: Failed to initialize FairScheduler
> java.io.IOException: Failed to initialize FairScheduler
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.initScheduler(FairScheduler.java:1377)
> 	at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.serviceInit(FairScheduler.java:1394)
> 	at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> 	at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
> ....
> 2016-01-04 22:19:52,193 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping
ResourceManager metrics system...
> 2016-01-04 22:19:52,194 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: ResourceManager
metrics system stopped.
> 2016-01-04 22:19:52,194 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: ResourceManager
metrics system shutdown complete.
> 2016-01-04 22:19:52,194 INFO org.apache.hadoop.yarn.event.AsyncDispatcher: AsyncDispatcher
is draining to stop, igonring any new events.
> 2016-01-04 22:19:52,194 INFO org.apache.hadoop.service.AbstractService: Service org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager
failed in state STOPPED; cause: java.lang.NullPointerException
> java.lang.NullPointerException
> java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.stopDispatcher(CommonNodeLabelsManager.java:251)
> 	at org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager.serviceStop(CommonNodeLabelsManager.java:257)
> 	at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:221)
> 	at org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:52)
> 	at org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:80)
> {noformat}



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