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https://issues.apache.org/jira/browse/MAPREDUCE-4980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16130711#comment-16130711
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Jason Lowe commented on MAPREDUCE-4980:
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bq. I'd need to see stack traces or something else to help diagnose further.
Doh, looks like I accidentally ran the tests with HADOOP_CONF_DIR set in the
environment. A lot of the tests were failing because the jobs running on the
miniclusters failed due to picking up those configs. I reran the unit tests
without any HADOOP* env vars, and it was a clean run except for one "didn't
cleanup" error in TestLocalMRNotification and a surefire timeout in
TestMapReduceJobControl#testJobControlWithKillJob. The latter is already
tracked by MAPREDUCE-6747. Sorry for the false alarm.
I'll see if I can get some time later today to try to reproduce the NNBench
issue again.
> Parallel test execution of hadoop-mapreduce-client-core
> -------------------------------------------------------
>
> Key: MAPREDUCE-4980
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4980
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: test
> Affects Versions: 3.0.0-alpha1
> Reporter: Tsuyoshi Ozawa
> Assignee: Andrey Klochkov
> Attachments: MAPREDUCE-4980.010.patch, MAPREDUCE-4980.011.patch,
> MAPREDUCE-4980.012.patch, MAPREDUCE-4980.1.patch, MAPREDUCE-4980--n3.patch,
> MAPREDUCE-4980--n4.patch, MAPREDUCE-4980--n5.patch, MAPREDUCE-4980--n6.patch,
> MAPREDUCE-4980--n7.patch, MAPREDUCE-4980--n7.patch, MAPREDUCE-4980--n8.patch,
> MAPREDUCE-4980.patch
>
>
> The maven surefire plugin supports parallel testing feature. By using it, the
> tests can be run more faster.
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