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https://issues.apache.org/jira/browse/HADOOP-13713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15568876#comment-15568876
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Steve Loughran commented on HADOOP-13713:
-----------------------------------------
Initial failure at end of a parallel test run
{code}
Failed tests:
ITestS3AContractRootDir>AbstractContractRootDirectoryTest.testRmEmptyRootDirNonRecursive:97->Assert.fail:88
Deletion of child entries failed, still have2
s3a://stevel-ireland/fork-7
s3a://stevel-ireland/fork-8
{code}
immediate rerun of test only, with the parallell test profile still enabled
{code}
mvn -T 1C integration-test -Dtest=moo -Dparallel-tests -DtestsThreadCount=8
-Dit.test=ITestS3AContractRootDir
{code}
outcome
{code}
testRmEmptyRootDirNonRecursive(org.apache.hadoop.fs.contract.s3a.ITestS3AContractRootDir)
Time elapsed: 0.863 sec <<< FAILURE!
java.lang.AssertionError: Deletion of child entries failed, still have1
s3a://stevel-ireland/fork-1
at org.junit.Assert.fail(Assert.java:88)
at
org.apache.hadoop.fs.contract.AbstractContractRootDirectoryTest.testRmEmptyRootDirNonRecursive(AbstractContractRootDirectoryTest.java:97)
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:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
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.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
at
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}
Next rerun: all well
> ITestS3AContractRootDir.testRmEmptyRootDirNonRecursive failing intermittently
> -----------------------------------------------------------------------------
>
> Key: HADOOP-13713
> URL: https://issues.apache.org/jira/browse/HADOOP-13713
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.8.0
> Environment: s3 ireland
> Reporter: Steve Loughran
> Assignee: Steve Loughran
>
> intermittent failure of
> {{ITestS3AContractRootDir.testRmEmptyRootDirNonRecursive}} surfacing in
> HADOOP-12774 test run.
> This is a test which came in with HADOOP-12977, one test which deletes all
> children of the root dir, then verifies that they are gone. Although it
> tested happily during development, the sightings of two transient failures
> before it worked implied that it's either got some race condition with
> previous tests and/or maven build, or we are seeing listing inconsistency.
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