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https://issues.apache.org/jira/browse/MAPREDUCE-408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731842#action_12731842
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Vinod K V commented on MAPREDUCE-408:
-------------------------------------
Patch looks good. +1.
Documenting what the patch does.
- Fixed FileSystem to be set in the mapper.
- Cleans up various signal file/directory related variables to be done at a
single place.
- Explicitly sets test.build.data for the child using mapred.child.java.opts
as test.build.data is not passed to child otherwise and in our test, child
needs access to files/dirs in this temporary dir.
> TestKillSubProcesses fails with assertion failure sometimes
> -----------------------------------------------------------
>
> Key: MAPREDUCE-408
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-408
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Amareshwari Sriramadasu
> Assignee: Ravi Gummadi
> Attachments: MR-408.patch, MR-408.v1.1.patch, MR-408.v1.patch
>
>
> org.apache.hadoop.mapred.TestKillSubProcesses.testJobKillFailAndSucceed fails
> sometimes with following error Message:
> {noformat}
> Unexpected: The subprocess at level 3 in the subtree is not alive before Job
> completion
> {noformat}
> Stacktrace
> {noformat}
> junit.framework.AssertionFailedError: Unexpected: The subprocess at level 3
> in the subtree is not alive before Job completion
> at
> org.apache.hadoop.mapred.TestKillSubProcesses.runJobAndSetProcessHandle(TestKillSubProcesses.java:221)
> at
> org.apache.hadoop.mapred.TestKillSubProcesses.runFailingJobAndValidate(TestKillSubProcesses.java:112)
> at
> org.apache.hadoop.mapred.TestKillSubProcesses.runTests(TestKillSubProcesses.java:327)
> at
> org.apache.hadoop.mapred.TestKillSubProcesses.testJobKillFailAndSucceed(TestKillSubProcesses.java:310)
> {noformat}
> one such failure at
> http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/495/testReport/org.apache.hadoop.mapred/TestKillSubProcesses/testJobKillFailAndSucceed/
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