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https://issues.apache.org/jira/browse/HDFS-7525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Binglin Chang resolved HDFS-7525.
---------------------------------
Resolution: Duplicate
> TestDatanodeManager.testNumVersionsReportedCorrect fails occassionally in
> trunk
> -------------------------------------------------------------------------------
>
> Key: HDFS-7525
> URL: https://issues.apache.org/jira/browse/HDFS-7525
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode, test
> Reporter: Yongjun Zhang
>
> https://builds.apache.org/job/Hadoop-Hdfs-trunk/1974/testReport/
> {quote}
> Error Message
> The map of version counts returned by DatanodeManager was not what it was
> expected to be on iteration 484 expected:<0> but was:<1>
> Stacktrace
> java.lang.AssertionError: The map of version counts returned by
> DatanodeManager was not what it was expected to be on iteration 484
> 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)
> {quote}
> Found by tool proposed in HADOOP-11045:
> {quote}
> [yzhang@localhost jenkinsftf]$ ./determine-flaky-tests-hadoop.py -j
> Hadoop-Hdfs-trunk -n 5 | tee bt.log
> ****Recently FAILED builds in url:
> https://builds.apache.org//job/Hadoop-Hdfs-trunk
> THERE ARE 4 builds (out of 6) that have failed tests in the past 5 days,
> as listed below:
> ===>https://builds.apache.org/job/Hadoop-Hdfs-trunk/1974/testReport
> (2014-12-15 03:30:01)
> Failed test:
> org.apache.hadoop.hdfs.TestDecommission.testIncludeByRegistrationName
> Failed test:
> org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect
> Failed test:
> org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testUpdatePipeline
> ===>https://builds.apache.org/job/Hadoop-Hdfs-trunk/1972/testReport
> (2014-12-13 10:32:27)
> Failed test:
> org.apache.hadoop.hdfs.TestDecommission.testIncludeByRegistrationName
> ===>https://builds.apache.org/job/Hadoop-Hdfs-trunk/1971/testReport
> (2014-12-13 03:30:01)
> Failed test:
> org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testUpdatePipeline
> ===>https://builds.apache.org/job/Hadoop-Hdfs-trunk/1969/testReport
> (2014-12-11 03:30:01)
> Failed test:
> org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect
> Failed test:
> org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testUpdatePipeline
> Failed test:
> org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover.testFailoverRightBeforeCommitSynchronization
> Among 6 runs examined, all failed tests <#failedRuns: testName>:
> 3:
> org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testUpdatePipeline
> 2: org.apache.hadoop.hdfs.TestDecommission.testIncludeByRegistrationName
> 2:
> org.apache.hadoop.hdfs.server.blockmanagement.TestDatanodeManager.testNumVersionsReportedCorrect
> 1:
> org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover.testFailoverRightBeforeCommitSynchronization
> {quote}
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