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From "Shane Kumpf (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8043) Add the exception message for failed launches running under LCE
Date Sat, 17 Mar 2018 21:53:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16403744#comment-16403744

Shane Kumpf commented on YARN-8043:

I believe the intent for the {{output}} and {{errorOutput}} fields in {{ContainerExecutionException}}
were meant to represent stdout/stderr for a shell command.The easy fix here is to add a {{getMessage}}
call to the diagnostics output and clearly display what "errorOutput" is. I'll put up a patch
that does that.

> Add the exception message for failed launches running under LCE
> ---------------------------------------------------------------
>                 Key: YARN-8043
>                 URL: https://issues.apache.org/jira/browse/YARN-8043
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Shane Kumpf
>            Priority: Major
> If a {{ContainerExecutionException}} is thrown during container launch under LCE information
is added to the diagnostics for the container regarding the failure. The diagnostic's output
includes the container id, exit code, "error output" and "shell output", with the expectation
that the relevant exception details are in the "error output". 
> {{ContainerExecutionException}} has several constructors, with the most commonly used
being the one that accepts a String. This form does not put the exception details into the
"error output". This makes it difficult for the user to troubleshoot the failure.

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