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https://issues.apache.org/jira/browse/MAPREDUCE-6625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348370#comment-15348370
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Jason Lowe commented on MAPREDUCE-6625:
---------------------------------------
Seems like this test could also be flaky in the other direction. The very
next assert is checking to make sure we didn't take too long to get the job,
where too long is just 100 milliseconds. If the unit tests run on a loaded
machine or the JVM otherwise pauses briefly for some reason this test could
fail that way as well.
> TestCLI#testGetJob fails occasionally
> -------------------------------------
>
> Key: MAPREDUCE-6625
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6625
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: test
> Reporter: Jason Lowe
> Assignee: Haibo Chen
> Attachments: mapreduce6625.001.patch
>
>
> Lately TestCLI has been failing sometimes in precommit builds:
> {noformat}
> Running org.apache.hadoop.mapreduce.tools.TestCLI
> Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.883 sec <<<
> FAILURE! - in org.apache.hadoop.mapreduce.tools.TestCLI
> testGetJob(org.apache.hadoop.mapreduce.tools.TestCLI) Time elapsed: 0.037
> sec <<< FAILURE!
> java.lang.AssertionError: null
> at org.junit.Assert.fail(Assert.java:86)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.junit.Assert.assertTrue(Assert.java:52)
> at
> org.apache.hadoop.mapreduce.tools.TestCLI.testGetJob(TestCLI.java:175)
> {noformat}
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