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Date: Tue, 15 Nov 2016 17:45:58 +0000 (UTC)
From: "Shane Kumpf (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13012207.1476406023000.282948.1479231958500@Atlassian.JIRA>
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References: <JIRA.13012207.1476406023000@Atlassian.JIRA> <JIRA.13012207.1476406023515@arcas>
Subject: [jira] [Reopened] (YARN-5736) YARN container executor config does
 not handle white space
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archived-at: Tue, 15 Nov 2016 17:46:00 -0000


     [ https://issues.apache.org/jira/browse/YARN-5736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shane Kumpf reopened YARN-5736:
-------------------------------

> 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_5736.000.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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