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https://issues.apache.org/jira/browse/HDFS-15458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17208181#comment-17208181
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Ayush Saxena commented on HDFS-15458:
-------------------------------------
Merged PR to trunk.
Thanx [~ferhui] for the contribution, [~elgoiri] for the review and [~ahussein]
for the report!!!
> TestNameNodeRetryCacheMetrics fails intermittently
> --------------------------------------------------
>
> Key: HDFS-15458
> URL: https://issues.apache.org/jira/browse/HDFS-15458
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs, namenode
> Reporter: Ahmed Hussein
> Assignee: Hui Fei
> Priority: Major
> Labels: pull-request-available, test
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> {{TestNameNodeRetryCacheMetrics}} fails intermittently on trunk
> {code:bash}
> [ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 9.604
> s <<< FAILURE! - in
> org.apache.hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics
> [ERROR]
> testRetryCacheMetrics(org.apache.hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics)
> Time elapsed: 9.512 s <<< FAILURE!
> java.lang.AssertionError: CacheHit expected:<2> but was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:645)
> at
> org.apache.hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics.checkMetrics(TestNameNodeRetryCacheMetrics.java:103)
> at
> org.apache.hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics.testRetryCacheMetrics(TestNameNodeRetryCacheMetrics.java:95)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> {code}
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