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From "zhihai xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3536) ZK exception occur when updating AppAttempt status, then NPE thrown when RM do recover
Date Thu, 23 Apr 2015 21:05:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-3536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509802#comment-14509802
] 

zhihai xu commented on YARN-3536:
---------------------------------

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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