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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-11189) TestDNFencing.testQueueingWithAppend failed often in latest test
Date Fri, 10 Oct 2014 18:18:35 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yongjun Zhang resolved HADOOP-11189.
------------------------------------
    Resolution: Duplicate

> TestDNFencing.testQueueingWithAppend failed often in latest test
> ----------------------------------------------------------------
>
>                 Key: HADOOP-11189
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11189
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ha
>            Reporter: Yongjun Zhang
>
> 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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