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https://issues.apache.org/jira/browse/HADOOP-17797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17379916#comment-17379916
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Steve Loughran commented on HADOOP-17797:
-----------------------------------------
Test came from HADOOP-17475; but its the "before" iterator which is being
stressed. Old, stable, code.
{code}
[INFO] Running org.apache.hadoop.fs.azurebfs.ITestAbfsListStatusRemoteIterator
[ERROR] Tests run: 9, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 63.582
s <<< FAILURE! - in
org.apache.hadoop.fs.azurebfs.ITestAbfsListStatusRemoteIterator
[ERROR]
testWithAbfsIteratorDisabledWithoutHasNext(org.apache.hadoop.fs.azurebfs.ITestAbfsListStatusRemoteIterator)
Time elapsed: 61.045 s <<< FAILURE!
org.junit.ComparisonFailure: [After removing every iterm found from the
iterator, there should be no more elements in the fileNames] expected:<[0]> but
was:<[1]>
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
org.apache.hadoop.fs.azurebfs.ITestAbfsListStatusRemoteIterator.testWithAbfsIteratorDisabledWithoutHasNext(ITestAbfsListStatusRemoteIterator.java:184)
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.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
[INFO] Running org.apache.hadoop.fs.azurebfs.ITestSh
{code}
> transient faiure of
> ITestAbfsListStatusRemoteIterator.testWithAbfsIteratorDisabledWithoutHasNext
> ------------------------------------------------------------------------------------------------
>
> Key: HADOOP-17797
> URL: https://issues.apache.org/jira/browse/HADOOP-17797
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Priority: Minor
>
> assert failure of
> {{ITestAbfsListStatusRemoteIterator.estWithAbfsIteratorDisabledWithoutHasNext}}
> on a (probably) overloaded parallel test run.
> Did not occur standalone.
> Before identifying/fixing causes, the test case could be improved for more
> informative error reporting
> * report when the fileNames.remove(pathStr) call returned false: the listing
> had found an unexpected value
> * tune the assert which did fail to include the unknown element.
> This may just be a bug from duplicate filenames, in which case the patch in
> progress for that should make it "go away"
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