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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2017/08/09 20:10:00 UTC
[jira] [Commented] (YARN-5736) YARN container executor config does
not handle white space
[ https://issues.apache.org/jira/browse/YARN-5736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120578#comment-16120578 ]
Wangda Tan commented on YARN-5736:
----------------------------------
[~daniel@cloudera.com], [~miklos.szegedi@cloudera.com], [~shanekumpf@gmail.com],
I think this patch should be backport to branch-2 as well, is there any concern of doing this?
> 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_5736.000.patch, YARN-5736.001.patch, YARN-5736.002.patch, YARN-5736.addendum.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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