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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2242) Improve exception information on AM launch crashes
Date Thu, 03 Jul 2014 04:59:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-2242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14051068#comment-14051068
] 

Li Lu commented on YARN-2242:
-----------------------------

Thanks [~djp]! 

> Improve exception information on AM launch crashes
> --------------------------------------------------
>
>                 Key: YARN-2242
>                 URL: https://issues.apache.org/jira/browse/YARN-2242
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Li Lu
>            Assignee: Li Lu
>         Attachments: YARN-2242-070114-1.patch, YARN-2242-070114.patch, YARN-2242-070115-1.patch,
YARN-2242-070115.patch
>
>
> Now on each time AM Container crashes during launch, both the console and the webpage
UI only report a ShellExitCodeExecption. This is not only unhelpful, but sometimes confusing.
With the help of log aggregator, container logs are actually aggregated, and can be very helpful
for debugging. One possible way to improve the whole process is to send a "pointer" to the
aggregated logs to the programmer when reporting exception information. 



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