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Date: Tue, 16 Dec 2014 16:25:14 +0000 (UTC)
From: "Steve Loughran (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12759434.1417704574000.34411.1418747114948@Atlassian.JIRA>
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 <JIRA.12759434.1417704574712@arcas>
Subject: [jira] [Commented] (HDFS-7471)
 TestDatanodeManager#testNumVersionsReportedCorrect occasionally fails
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    [ https://issues.apache.org/jira/browse/HDFS-7471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14248440#comment-14248440 ] 

Steve Loughran commented on HDFS-7471:
--------------------------------------

I think we may want to hold off 24h to see if someone thinks there is a race condition being picked up...I don't want to hide a problem

> TestDatanodeManager#testNumVersionsReportedCorrect occasionally fails
> ---------------------------------------------------------------------
>
>                 Key: HDFS-7471
>                 URL: https://issues.apache.org/jira/browse/HDFS-7471
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 3.0.0
>            Reporter: Ted Yu
>            Assignee: Binglin Chang
>         Attachments: HDFS-7471.001.patch
>
>
> From https://builds.apache.org/job/Hadoop-Hdfs-trunk/1957/ :
> {code}
> FAILED:  org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect
> Error Message:
> The map of version counts returned by DatanodeManager was not what it was expected to be on iteration 237 expected:<0> but was:<1>
> Stack Trace:
> java.lang.AssertionError: The map of version counts returned by DatanodeManager was not what it was expected to be on iteration 237 expected:<0> but was:<1>
>         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:555)
>         at org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect(TestDatanodeManager.java:150)
> {code}


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