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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2013) The diagnostics is always the ExitCodeException stack when the container crashes
Date Wed, 07 May 2014 00:30:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-2013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13991404#comment-13991404
] 

Tsuyoshi OZAWA commented on YARN-2013:
--------------------------------------

Trying to launch Jenkins.

> The diagnostics is always the ExitCodeException stack when the container crashes
> --------------------------------------------------------------------------------
>
>                 Key: YARN-2013
>                 URL: https://issues.apache.org/jira/browse/YARN-2013
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Zhijie Shen
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-2013.1.patch
>
>
> When a container crashes, ExitCodeException will be thrown from Shell. Default/LinuxContainerExecutor
captures the exception, put the exception stack into the diagnostic. Therefore, the exception
stack is always the same. 
> {code}
>         String diagnostics = "Exception from container-launch: \n"
>             + StringUtils.stringifyException(e) + "\n" + shExec.getOutput();
>         container.handle(new ContainerDiagnosticsUpdateEvent(containerId,
>             diagnostics));
> {code}
> In addition, it seems that the exception always has a empty message as there's no message
from stderr. Hence the diagnostics is not of much use for users to analyze the reason of container
crash.



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