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https://issues.apache.org/jira/browse/HADOOP-6041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721740#action_12721740
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Vinod K V commented on HADOOP-6041:
-----------------------------------
Just a while back, even I've encountered the same issue. Unfortunately I didn't
back up the logs. Will do so the next time.
> TestKillSubProcesses fails with assertion failure sometimes
> -----------------------------------------------------------
>
> Key: HADOOP-6041
> URL: https://issues.apache.org/jira/browse/HADOOP-6041
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Amareshwari Sriramadasu
>
> 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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