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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4000) RM crashes with NPE if leaf queue becomes parent queue during restart
Date Wed, 14 Oct 2015 13:43:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-4000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14956963#comment-14956963
] 

Varun Saxena commented on YARN-4000:
------------------------------------

[~jianhe],
Discussed offline with Rohith. Diagnostic information is needed by him for another JIRA he
is working on.. So if YARN-4000 is good enough to go in, I guess I can simply rebase this
patch and let it go in. And we can close YARN-4111 as duplicate.

> RM crashes with NPE if leaf queue becomes parent queue during restart
> ---------------------------------------------------------------------
>
>                 Key: YARN-4000
>                 URL: https://issues.apache.org/jira/browse/YARN-4000
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler, resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Varun Saxena
>         Attachments: YARN-4000.01.patch, YARN-4000.02.patch, YARN-4000.03.patch, YARN-4000.04.patch,
YARN-4000.05.patch
>
>
> This is a similar situation to YARN-2308.  If an application is active in queue A and
then the RM restarts with a changed capacity scheduler configuration where queue A becomes
a parent queue to other subqueues then the RM will crash with a NullPointerException.



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