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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2013) The diagnostics is always the ExitCodeException stack when the container crashes
Date Fri, 11 Jul 2014 15:54:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-2013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14058923#comment-14058923
] 

Hadoop QA commented on YARN-2013:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12655226/YARN-2013.4.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4272//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4272//console

This message is automatically generated.

> 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: Sub-task
>          Components: nodemanager
>            Reporter: Zhijie Shen
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-2013.1.patch, YARN-2013.2.patch, YARN-2013.3-2.patch, YARN-2013.3.patch,
YARN-2013.4.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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