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https://issues.apache.org/jira/browse/YARN-3536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509802#comment-14509802
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zhihai xu commented on YARN-3536:
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Is This issue similar as YARN-2834?
> ZK exception occur when updating AppAttempt status, then NPE thrown when RM
> do recover
> --------------------------------------------------------------------------------------
>
> Key: YARN-3536
> URL: https://issues.apache.org/jira/browse/YARN-3536
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler, resourcemanager
> Affects Versions: 2.4.1
> Reporter: gu-chi
>
> Here is a scenario that Application status is FAILED/FINISHED but AppAttempt
> status is null, this cause NPE when doing recover with
> yarn.resourcemanager.work-preserving-recovery.enabled set to true, RM should
> handle recovery gracefully
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