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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2242) Improve exception information on AM launch crashes
Date Wed, 02 Jul 2014 22:07:25 GMT

     [ https://issues.apache.org/jira/browse/YARN-2242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Li Lu updated YARN-2242:
------------------------

    Attachment: YARN-2242-070115-1.patch

Better interface design for the private verification function on diagnostic information in
the unit test. Now this function only takes the diagnostic info in. 

> 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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