[jira] [Created] (HDFS-14751) TestNameNodeMetadataConsistency#testGenerationStampInFuture fail in trunk

["Lisheng Sun (Jira)" <ji...@apache.org>]

Lisheng Sun created HDFS-14751:
----------------------------------

             Summary: TestNameNodeMetadataConsistency#testGenerationStampInFuture fail in trunk
                 Key: HDFS-14751
                 URL: https://issues.apache.org/jira/browse/HDFS-14751
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Lisheng Sun


{code:java}
[ERROR] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 21.693 s <<< FAILURE! - in org.apache.hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency
[ERROR] testGenerationStampInFuture(org.apache.hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency)  Time elapsed: 7.572 s  <<< ERROR!
java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
	at java.util.ArrayList$Itr.next(ArrayList.java:859)
	at com.google.common.collect.AbstractMapBasedMultimap$Itr.next(AbstractMapBasedMultimap.java:1153)
	at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1044)
	at org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile(DirectoryScanner.java:433)
	at org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils.runDirectoryScanner(DataNodeTestUtils.java:202)
	at org.apache.hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency.testGenerationStampInFuture(TestNameNodeMetadataConsistency.java:92)
	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}
Ref:[https://builds.apache.org/job/PreCommit-HDFS-Build/27567/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt]



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