[jira] [Commented] (MAPREDUCE-4091) tools testcases failing because of MAPREDUCE-4082

["Alejandro Abdelnur (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242749#comment-13242749 ] 

Alejandro Abdelnur commented on MAPREDUCE-4091:
-----------------------------------------------

The generated-classpath file has a meaning for running testcases in the current project. If downstream projects want to leverage that file, they have create it in their project (i.e. oozie-core creates one to be able to use MiniMR).

Having the generated-classpath file bundled in the JAR is pointless, and as MAPREDUCE-4082 stated, pollutes the classpath big time.

An alternate way to achieve not having the generated-classpath file in the JAR is to excluded it in the maven-jar-plugin.

                
> tools testcases failing because of MAPREDUCE-4082
> -------------------------------------------------
>
>                 Key: MAPREDUCE-4091
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4091
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: build, test
>    Affects Versions: 2.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>            Priority: Critical
>             Fix For: 2.0.0
>
>
> MAPREDUCE-4082 moved the generated-classpath file used by MRApp from the main classpath to the test classpath.
> The objective of MAPREDUCE-4082 was to remove the generated-classpath file from the hadoop-mapreduce-client-app JAR. I've thought that moving it to the test-classpath would do the trick.
> This is breaking tools testcases (most likely) because of different classloader being used by maven for main classpath and test classpath.

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