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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2720) Windows: Wildcard classpath variables not expanded against resources contained in archives
Date Tue, 21 Oct 2014 19:30:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14178897#comment-14178897
] 

Chris Nauroth commented on YARN-2720:
-------------------------------------

The Findbugs warnings are unrelated.  I'll commit this.

> Windows: Wildcard classpath variables not expanded against resources contained in archives
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-2720
>                 URL: https://issues.apache.org/jira/browse/YARN-2720
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Craig Welch
>            Assignee: Craig Welch
>         Attachments: YARN-2720.2.patch, YARN-2720.3.patch, YARN-2720.4.patch
>
>
> On windows there are limitations to the length of command lines and environment variables
which prevent placing all classpath resources into these elements.  Instead, a jar containing
only a classpath manifest is created to provide the classpath.  During this process wildcard
references are expanded by inspecting the filesystem.  Since archives are extracted to a different
location and linked into the final location after the classpath jar is created, resources
referred to via wildcards which exist in localized archives  (.zip, tar.gz) are not added
to the classpath manifest jar.  Since these entries are removed from the final classpath for
the container they are not on the container's classpath as they should be.



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