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https://issues.apache.org/jira/browse/MAPREDUCE-3415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152000#comment-13152000
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Ahmed Radwan commented on MAPREDUCE-3415:
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Thanks Tucu! I have tested the patch and it works great. +1
I have a comment regrading clean up of created jar files.
The files are now created in the temporary system directory, and the reliance
will be on the default system clean up (e.g. on reboot). I think this may cause
problems on test dedicated machines that will then require periodic cleanup of
the tmp dir. After few minutes of testing I have a dozen of jar files sitting
in my tmp dir. I think it may be better to create these jars in a maven
predefined directory, that can be cleaned up through maven at the end. What do
you think?
> improve MiniMRYarnCluster & DistributedShell JAR resolution
> ------------------------------------------------------------
>
> Key: MAPREDUCE-3415
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3415
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.24.0, 0.23.1
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Fix For: 0.24.0, 0.23.1
>
> Attachments: MAPREDUCE-3415.patch, MAPREDUCE-3415.patch,
> MAPREDUCE-3415.patch
>
>
> Current JAR resolution assumes the following:
> # The class used for JAR lookup is effectively in a JAR
> # A System property is set for testing with the location of the JAR
> The problem with #1 is that in some cases (when using the class in the same
> Maven module where the class is, the class is not in a JAR but in a directory
> 'target/test-classes').
> The problem with #2 is the JAR does not exists at the time of running the
> test (packaging comes after test and we are not doing integration testing yet
> thus won't work)
> In addition, this is required for streaming testcases, to have the JAR with
> streaming classes for testing.
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