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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6408) NPE in handling NODE_UPDATE (while running SLS)
Date Wed, 29 Mar 2017 18:26:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15947650#comment-15947650

Sunil G commented on YARN-6408:

I will help to take a look.

It seems we got NPE from here {{getUser(userName).setUserResourceLimit(userLimitResource);}}.
It seems the user was removed was never added while computeUserLimit was executing from SLS.
Since {{computeUserLimit}} and {{removeUser}} has writeLock, i suspect that the user was not

I ll check the sls part a lil bit more and will share my feedback

> NPE in handling NODE_UPDATE (while running SLS)
> -----------------------------------------------
>                 Key: YARN-6408
>                 URL: https://issues.apache.org/jira/browse/YARN-6408
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Carlo Curino
>         Attachments: YARN-6408.v0.patch
> The UsersManager.computeUserLimit() throws an NPE during an SLS simulation.

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