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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4281) 2.7 RM app page is broken
Date Sun, 03 Jan 2016 23:18:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-4281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15080569#comment-15080569
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Junping Du commented on YARN-4281:
----------------------------------

Hi [~lichangleo] and [~jlowe], does branch-2.6 has the same issue? If so, we may consider
to backport the fix to branch-2.6 also?

> 2.7 RM app page is broken
> -------------------------
>
>                 Key: YARN-4281
>                 URL: https://issues.apache.org/jira/browse/YARN-4281
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>            Priority: Blocker
>             Fix For: 2.7.2
>
>         Attachments: YARN-4281-branch-2.7-3.patch, YARN-4281-branch-2.7.2.patch, YARN-4281-branch-2.7.patch,
YARN-4281.2.7.modify.patch
>
>
> 2.7 RM app page is broken by the cherry pick of YARN-3248 on 23/Sep. It broke the work
around 2.7 patch of YARN-3544 to let it still use container report. Currently, our cluster's
2.7 RM app page is completely broken due to 500 error, which is caused by when user UGI is
null, completed app can not retrieve its container report, and in that code path, it doesn't
catch ContainerNotFoundException, but throw the exception, therefore cause the 500 error.
>  Running app is also broken because of the way it construct containerID by 
> {code} "ContainerId.newContainerId(
>               appAttemptReport.getApplicationAttemptId(), 1)" 
> {code}, 
> which will not include epoch number in ID, so it will also get ContainerNotFoundException
and throw 500 error.
> Propose to use the branch-2 version of YARN-3544, instead of the work around 2.7 patch
because branch 2 patch on 2.7 is no longer blocked.



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