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From "Bibin A Chundatt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7508) NPE in FiCaSchedulerApp when debug log enabled and try to commit outdated reserved proposal in async-scheduling mode
Date Fri, 17 Nov 2017 05:33:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16256506#comment-16256506
] 

Bibin A Chundatt commented on YARN-7508:
----------------------------------------

Thank you [~Tao Yang] for confirming the same.
I plan to commit this patch by end of tomorrow if no objections.

> NPE in FiCaSchedulerApp when debug log enabled and try to commit outdated reserved proposal
in async-scheduling mode
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-7508
>                 URL: https://issues.apache.org/jira/browse/YARN-7508
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 2.9.0, 3.0.0-alpha4
>            Reporter: Tao Yang
>            Assignee: Tao Yang
>         Attachments: YARN-7508.001.patch
>
>
> YARN-6678 have fixed the IllegalStateException problem but the debug log it added may
cause NPE when trying to print containerId of non-existed reserved container on this node.
Replace {{schedulerContainer.getSchedulerNode().getReservedContainer().getContainerId()}}
with {{schedulerContainer.getSchedulerNode().getReservedContainer()}} can fix this problem.



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