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https://issues.apache.org/jira/browse/HDFS-16213?focusedWorklogId=647722&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-647722
 ]

ASF GitHub Bot logged work on HDFS-16213:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 08/Sep/21 04:37
            Start Date: 08/Sep/21 04:37
    Worklog Time Spent: 10m 
      Work Description: ferhui commented on pull request #3386:
URL: https://github.com/apache/hadoop/pull/3386#issuecomment-914905663


   @virajjasani Thanks for contribution. I didn't reproduce it by running some 
times.
   Could you please introduce to make 
TestFsDatasetImpl#testDnRestartWithHardLink fail by changing simple codes?
   I want to dig it


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 647722)
    Time Spent: 1.5h  (was: 1h 20m)

> Flaky test TestFsDatasetImpl#testDnRestartWithHardLink
> ------------------------------------------------------
>
>                 Key: HDFS-16213
>                 URL: https://issues.apache.org/jira/browse/HDFS-16213
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Viraj Jasani
>            Assignee: Viraj Jasani
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> Failure case: 
> [here|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3359/4/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt]
> {code:java}
> [ERROR] 
> testDnRestartWithHardLink(org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl)
>   Time elapsed: 7.768 s  <<< FAILURE![ERROR] 
> testDnRestartWithHardLink(org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl)
>   Time elapsed: 7.768 s  <<< FAILURE!java.lang.AssertionError at 
> org.junit.Assert.fail(Assert.java:87) at 
> org.junit.Assert.assertTrue(Assert.java:42) at 
> org.junit.Assert.assertTrue(Assert.java:53) at 
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl.testDnRestartWithHardLink(TestFsDatasetImpl.java:1344)
>  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$1.runReflectiveCall(FrameworkMethod.java:59)
>  at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>  at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
>  at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>  at 
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
>  at 
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266) at 
> java.lang.Thread.run(Thread.java:748)
> {code}



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