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https://issues.apache.org/jira/browse/MAPREDUCE-6658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211066#comment-15211066
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Eric Badger commented on MAPREDUCE-6658:
----------------------------------------
I believe that there is a race condition that causes this bug to appear and
disappear with the addition of [YARN-4686]. However, there is another race
condition (possibly the same one) that forces the test to fail in the cases
both with and without [YARN-4686]. Earlier today I was able to get the test to
fail with the patch and not without it. But now it fails whether the patch is
there or not and this happens to me on both of my machines (both unix and
linux). I haven't figured out where the race(s) is/are occurring yet, but I
believe that they will shed light onto why the tests are failing sporadically
for me.
> TestMRJobs fails
> ----------------
>
> Key: MAPREDUCE-6658
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6658
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: test
> Reporter: Akira AJISAKA
> Assignee: Eric Badger
>
> TestMRJobs#testJobWithChangePriority fails.
> {noformat}
> Running org.apache.hadoop.mapreduce.v2.TestMRJobs
> Tests run: 12, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 446.855 sec
> <<< FAILURE! - in org.apache.hadoop.mapreduce.v2.TestMRJobs
> testJobWithChangePriority(org.apache.hadoop.mapreduce.v2.TestMRJobs) Time
> elapsed: 21.477 sec <<< FAILURE!
> java.lang.AssertionError: expected:<DEFAULT> but was:<HIGH>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.mapreduce.v2.TestMRJobs.testJobWithChangePriority(TestMRJobs.java:276)
> {noformat}
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