Toshihiko Uchida created HDFS-15864:
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Summary: TestFsDatasetImpl#testDnRestartWithHardLink fails
intermittently
Key: HDFS-15864
URL: https://issues.apache.org/jira/browse/HDFS-15864
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Toshihiko Uchida
This unit test failed in https://github.com/apache/hadoop/pull/2726 due to an
AssertionError.
{code}
[ERROR]
testDnRestartWithHardLink(org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl)
Time elapsed: 1.452 s <<< FAILURE!
java.lang.AssertionError
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertTrue(Assert.java:52)
at
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl.testDnRestartWithHardLink(TestFsDatasetImpl.java:1377)
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$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
{code}
The failure occurred at the following first assertion.
{code}
cluster.restartDataNode(0);
cluster.waitDatanodeFullyStarted(cluster.getDataNodes().get(0), 60000);
cluster.triggerBlockReports();
assertTrue(Files.exists(Paths.get(newReplicaInfo.getBlockURI())));
assertTrue(Files.exists(Paths.get(oldReplicaInfo.getBlockURI())));
{code}
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