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https://issues.apache.org/jira/browse/YARN-4539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15081301#comment-15081301
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tangshangwen commented on YARN-4539:
------------------------------------
I submitted a patch.
> 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
> {noformat}
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