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https://issues.apache.org/jira/browse/YARN-5736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Miklos Szegedi updated YARN-5736:
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Attachment: YARN-5736.addendum.000.patch
Adding addendum patch
> 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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