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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2405) NPE in FairSchedulerAppsBlock (scheduler page)
Date Fri, 29 Aug 2014 02:00:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-2405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14114747#comment-14114747

Tsuyoshi OZAWA commented on YARN-2405:

I see. In this case, I think we can show the error message "Failed to render FairSchedulerPage:
" and it can be useful when we face the other problems. I think both approaches have pros
and cons.

> NPE in FairSchedulerAppsBlock (scheduler page)
> ----------------------------------------------
>                 Key: YARN-2405
>                 URL: https://issues.apache.org/jira/browse/YARN-2405
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Maysam Yabandeh
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-2405.1.patch, YARN-2405.2.patch, YARN-2405.3.patch, YARN-2405.4.patch
> FairSchedulerAppsBlock#render throws NPE at this line
> {code}
>       int fairShare = fsinfo.getAppFairShare(attemptId);
> {code}
> This causes the scheduler page now showing the app since it lack the definition of appsTableData
> {code}
>  Uncaught ReferenceError: appsTableData is not defined 
> {code}
> The problem is temporary meaning that it is usually resolved by itself either after a
retry or after a few hours.

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