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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5736) YARN container executor config does not handle white space
Date Tue, 15 Nov 2016 21:03:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15668308#comment-15668308
] 

Daniel Templeton commented on YARN-5736:
----------------------------------------

+1  Checking in.

> YARN container executor config does not handle white space
> ----------------------------------------------------------
>
>                 Key: YARN-5736
>                 URL: https://issues.apache.org/jira/browse/YARN-5736
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>            Priority: Trivial
>              Labels: oct16-medium
>             Fix For: 3.0.0-alpha2
>
>         Attachments: YARN-5736.001.patch, YARN-5736.002.patch, YARN-5736.addendum.000.patch,
YARN_5736.000.patch
>
>
> The container executor configuration reader does not handle white spaces or malformed
key value pairs in the config file correctly or gracefully
> as an example the following key value line which is part of the configuration (note the
<< is used as a marker to show the extra trailing space):
> yarn.nodemanager.linux-container-executor.group=yarn <<
> is a valid line but when you run the check over the file:
> [root@test]#./container-executor --checksetup
> Can't get group information for yarn - Success.
> [root@test]#
> It fails to find the yarn group but it really tries to find the "yarn " group which fails.
There is no trimming anywhere while processing the lines. If a space would be added in before
or after the = sign a failure would also occur.
> Minor nit is the fact that a failure still is logged as a Success



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