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  1. Hadoop HDFS
  2. HDFS-14751

Synchronize on diffs in DirectoryScanner

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.3.0
    • Component/s: None
    • Labels:
      None

      Description

      [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)
      
      

      Ref:https://builds.apache.org/job/PreCommit-HDFS-Build/27567/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt

        Attachments

        1. HDFS-14751.001.patch
          1 kB
          Lisheng Sun
        2. HDFS-14751.002.patch
          8 kB
          Lisheng Sun
        3. HDFS-14751.003.patch
          2 kB
          Lisheng Sun
        4. HDFS-14751.004.patch
          2 kB
          Lisheng Sun

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            • Assignee:
              leosun08 Lisheng Sun
              Reporter:
              leosun08 Lisheng Sun

              Dates

              • Created:
                Updated:
                Resolved:

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