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https://issues.apache.org/jira/browse/MAPREDUCE-3431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152947#comment-13152947
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Steve Loughran commented on MAPREDUCE-3431:
-------------------------------------------
stack
{code}
java.lang.NullPointerException
at
org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer.stop(DelegationTokenRenewer.java:88)
at
org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:95)
at
org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:85)
at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.stop(ResourceManager.java:470)
at
org.apache.hadoop.yarn.service.CompositeService$CompositeServiceShutdownHook.run(CompositeService.java:119)
{code}
> NPE in Resource Manager shutdown
> --------------------------------
>
> Key: MAPREDUCE-3431
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3431
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 0.23.0
> Environment: OS/X w/ java6
> Reporter: Steve Loughran
> Priority: Minor
>
> bringing up a resource manager failed; shutdown triggered an NPE
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