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https://issues.apache.org/jira/browse/YARN-9507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16825000#comment-16825000
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Tao Yang commented on YARN-9507:
--------------------------------
Thanks [~BilwaST] for fixing this NPE.
LGTM, +1 for the patch.
> NPE when u stop NM if NM Init failed
> ------------------------------------
>
> Key: YARN-9507
> URL: https://issues.apache.org/jira/browse/YARN-9507
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bilwa S T
> Assignee: Bilwa S T
> Priority: Major
> Attachments: YARN-9507-001.patch
>
>
> 2019-04-24 14:06:44,101 WARN org.apache.hadoop.service.AbstractService: When
> stopping the service NodeManager
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceStop(NodeManager.java:492)
> at org.apache.hadoop.service.AbstractService.stop(AbstractService.java:220)
> at
> org.apache.hadoop.service.ServiceOperations.stop(ServiceOperations.java:54)
> at
> org.apache.hadoop.service.ServiceOperations.stopQuietly(ServiceOperations.java:102)
> at org.apache.hadoop.service.AbstractService.init(AbstractService.java:172)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:947)
> at
> org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:1018)
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