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From "Ravi Prakash (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3087) CLASSPATH not the same after MAPREDUCE-2880
Date Fri, 07 Oct 2011 21:02:32 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Ravi Prakash updated MAPREDUCE-3087:

    Attachment: MAPREDUCE-3087.patch

Arun. It was a blocker for me to do any dev work because all my jobs were failing

I don't know if we ever want to have something in the CLASSPATH which doesn't make sense to
the JVM, and /somepath/mr-apps.jar!/mrapp-generated-classpath doesn't make sense to the JVM
(so it will be ignored).

Please ignore the last patch. It was an attempt to include tests, but it seems pretty hard
1. If I include the real mr-app.jar (using pom.xml), then a circular dependency is created.
2. If I don't include the mr-app.jar, then I must checkin and include in the CLASSPATH some
jar containing a file mrapp-generated-classpath. This seemed too much effort for a simple
one line change.

I'm re-uploading the 1st patch with is a single line change.
> CLASSPATH not the same after MAPREDUCE-2880
> -------------------------------------------
>                 Key: MAPREDUCE-3087
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3087
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>             Fix For: 0.23.0
>         Attachments: MAPREDUCE-3087.patch, MAPREDUCE-3087.patch, MAPREDUCE-3087.patch,
notworking.classpath.uniq, working.classpath.uniq
> After MAPREDUCE-2880, my classpath was missing key jar files. 

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