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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7226) TestDNFencing.testQueueingWithAppend failed often in latest test
Date Fri, 07 Nov 2014 11:43:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201949#comment-14201949
] 

Hudson commented on HDFS-7226:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #736 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/736/])
HDFS-7226. Update CHANGES.txt to indicate fix in 2.6.0. (cnauroth: rev d026f3676278e24d7032dced5f14b52dec70b987)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> TestDNFencing.testQueueingWithAppend failed often in latest test
> ----------------------------------------------------------------
>
>                 Key: HDFS-7226
>                 URL: https://issues.apache.org/jira/browse/HDFS-7226
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.6.0
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>             Fix For: 2.6.0
>
>         Attachments: HDFS-7226.001.patch, HDFS-7226.002.patch, HDFS-7226.003.patch
>
>
> Using tool from HADOOP-11045, got the following report:
> {code}
> [yzhang@localhost jenkinsftf]$ ./determine-flaky-tests-hadoop.py -j PreCommit-HDFS-Build
-n 1 
> ****Recently FAILED builds in url: https://builds.apache.org//job/PreCommit-HDFS-Build
>     THERE ARE 9 builds (out of 9) that have failed tests in the past 1 days, as listed
below:
> ......
> Among 9 runs examined, all failed tests <#failedRuns: testName>:
>     7: org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing.testQueueingWithAppend
>     6: org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencingWithReplication.testFencingStress
>     3: org.apache.hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot.testOpenFilesWithMultipleSnapshots
>     1: org.apache.hadoop.hdfs.server.namenode.TestEditLog.testFailedOpen
>     1: org.apache.hadoop.hdfs.server.namenode.TestEditLog.testSyncBatching
> ......
> {code}
> TestDNFencingWithReplication.testFencingStress was reported as HDFS-7221. 
> Creating this jira for TestDNFencing.testQueueingWithAppend.
> Symptom:
> {code}
> Failed
> org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing.testQueueingWithAppend
> Failing for the past 1 build (Since Failed#8390 )
> Took 2.9 sec.
> Error Message
> expected:<18> but was:<12>
> Stacktrace
> java.lang.AssertionError: expected:<18> but was:<12>
> 	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.junit.Assert.assertEquals(Assert.java:542)
> 	at org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing.testQueueingWithAppend(TestDNFencing.java:448)
> {code}



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