[
https://issues.apache.org/jira/browse/HDFS-16213?focusedWorklogId=647748&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-647748
]
ASF GitHub Bot logged work on HDFS-16213:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Sep/21 05:46
Start Date: 08/Sep/21 05:46
Worklog Time Spent: 10m
Work Description: virajjasani commented on pull request #3386:
URL: https://github.com/apache/hadoop/pull/3386#issuecomment-914935498
@ferhui did you run test code twice as part of same test? I can reproduce
this failure just by running
```
@Test
public void t1() throws Exception {
testDnRestartWithHardLink();
testDnRestartWithHardLink();
}
```
Ideally, based on how the test is written, the test code is supposed to be
idempotent but it is not because of the replica processing done by
`addReplicaThreadPool`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 647748)
Time Spent: 1h 40m (was: 1.5h)
> 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: 1h 40m
> 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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