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https://issues.apache.org/jira/browse/HDFS-6101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932722#comment-13932722
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Arpit Agarwal commented on HDFS-6101:
-------------------------------------
Exception details:
{code}
testReplaceDatanodeOnFailure(org.apache.hadoop.hdfs.TestReplaceDatanodeOnFailure)
Time elapsed: 25.176 sec <<< FAILURE!java.lang.AssertionError: expected:<3>
but was:<2> at org.junit.Assert.fail(Assert.java:93)
at org.junit.Assert.failNotEquals(Assert.java:647) at
org.junit.Assert.assertEquals(Assert.java:128)
at org.junit.Assert.assertEquals(Assert.java:472) at
org.junit.Assert.assertEquals(Assert.java:456)
at
org.apache.hadoop.hdfs.TestReplaceDatanodeOnFailure$SlowWriter.checkReplication(TestReplaceDatanodeOnFailure.java:234)
at
org.apache.hadoop.hdfs.TestReplaceDatanodeOnFailure.testReplaceDatanodeOnFailure(TestReplaceDatanodeOnFailure.java:153)
{code}
> TestReplaceDatanodeOnFailure fails occasionally
> -----------------------------------------------
>
> Key: HDFS-6101
> URL: https://issues.apache.org/jira/browse/HDFS-6101
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Arpit Agarwal
> Attachments: TestReplaceDatanodeOnFailure.log
>
>
> Exception details in a comment below.
> The failure repros on both OS X and Linux if I run the test ~10 times in a
> loop.
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