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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2242) Improve exception information on AM launch crashes
Date Tue, 08 Jul 2014 08:51:36 GMT

    [ https://issues.apache.org/jira/browse/YARN-2242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14054667#comment-14054667
] 

Steve Loughran commented on YARN-2242:
--------------------------------------

thinking about this, one thing I'd like for my client code -not for the user- is to get the
HDFS path to where the logs ended up. Knowing this would make it easy to copy that data elsewhere,
run analytics queries over it, etc. There's nothing in the Application Report that appears
to publish this path. Is this the case? If so I'll add a new JIRA

> 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
>             Fix For: 2.6.0
>
>         Attachments: YARN-2242-070114-1.patch, YARN-2242-070114.patch, YARN-2242-070115-1.patch,
YARN-2242-070115-2.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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