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https://issues.apache.org/jira/browse/MAPREDUCE-5769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13935349#comment-13935349
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Jason Lowe commented on MAPREDUCE-5769:
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Sorry for the delay, finally getting back to this.
+1 lgtm. Committing this.
> Unregistration to RM should not be called if AM is crashed before registering
> with RM
> -------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5769
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5769
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Rohith
> Assignee: Rohith
> Attachments: MAPREDUCE-5769.1.patch, MAPREDUCE-5769.2.patch
>
>
> Got the scenario from YARN-1752, where unregistration of application master
> is called before registering with RM.
> There should be mechanism to identify isApplicationMasaterRegistered before
> calling unregistration (finishApplicationMaster).
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