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Posted to mapreduce-dev@hadoop.apache.org by "Hitesh Shah (Created) (JIRA)" <ji...@apache.org> on 2011/12/09 00:29:39 UTC

[jira] [Created] (MAPREDUCE-3523) Exclude mrapp-generated-classpath from published jars

Exclude mrapp-generated-classpath from published jars
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                 Key: MAPREDUCE-3523
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3523
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
    Affects Versions: 0.23.0
            Reporter: Hitesh Shah
            Priority: Critical
             Fix For: 0.23.1, 0.24.0


Downstream projects will be generating their own classpath file to allow yarn to launch containers correctly in a unit-test env which may potentially create a clash if 2 versions are present. 

The current code in MRApps assumes that the generated classpath is always present which may need to be addressed if this file is not present when deployed on a cluster. An option for a fix could be to pass the location of the classpath file via the MiniYarnCluster constructor and propagate that to MRApps via some form of configuration value.

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