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https://issues.apache.org/jira/browse/HADOOP-9230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582033#comment-13582033
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Karthik Kambatla commented on HADOOP-9230:
------------------------------------------
Thanks for the investigation, Tom. As tailoring the test just to make it pass
doesn't make sense, I think we should get rid of the test. Pinged [~mithun]
about 10 days ago to see if he has any additional insights on this.
I think it is safe to commit the patch.
> TestUniformSizeInputFormat fails intermittently
> -----------------------------------------------
>
> Key: HADOOP-9230
> URL: https://issues.apache.org/jira/browse/HADOOP-9230
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 2.0.2-alpha
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Labels: distcp
> Attachments: hadoop-9230.patch
>
>
> TestUniformSizeFileInputFormat fails intermittently. I ran the test 50 times
> and noticed 5 failures.
> Haven't noticed any particular pattern to which runs fail.
> A sample stack trace is as follows:
> {noformat}
> java.lang.AssertionError: expected:<1944> but was:<1820>
> at org.junit.Assert.fail(Assert.java:91)
> at org.junit.Assert.failNotEquals(Assert.java:645)
> at org.junit.Assert.assertEquals(Assert.java:126)
> at org.junit.Assert.assertEquals(Assert.java:470)
> at org.junit.Assert.assertEquals(Assert.java:454)
> at
> org.apache.hadoop.tools.mapred.TestUniformSizeInputFormat.checkAgainstLegacy(TestUniformSizeInputFormat.java:244)
> at
> org.apache.hadoop.tools.mapred.TestUniformSizeInputFormat.testGetSplits(TestUniformSizeInputFormat.java:126)
> at
> org.apache.hadoop.tools.mapred.TestUniformSizeInputFormat.testGetSplits(TestUniformSizeInputFormat.java:252)
> {noformat}
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