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https://issues.apache.org/jira/browse/YARN-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942640#comment-13942640
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Jian He commented on YARN-1849:
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Hi Karthik, thanks for the patch !.
Patch looks good. Can you add a comment something like we are sending the
master container finished event so that RM knows the previous attempt has
exited and then can launch a new attempt. We missed that in the earlier patch.
Thanks!
> NPE in ResourceTrackerService#registerNodeManager for UAM
> ---------------------------------------------------------
>
> Key: YARN-1849
> URL: https://issues.apache.org/jira/browse/YARN-1849
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.4.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Priority: Blocker
> Attachments: yarn-1849-1.patch, yarn-1849-2.patch, yarn-1849-2.patch,
> yarn-1849-3.patch, yarn-1849-4.patch, yarn-1849-5.patch
>
>
> While running an UnmanagedAM on secure cluster, ran into an NPE on
> failover/restart. This is similar to YARN-1821.
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