[jira] [Commented] (HADOOP-18531) assertion failure in ITestS3APrefetchingInputStream

["Steve Loughran (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-18531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17635449#comment-17635449 ] 

Steve Loughran commented on HADOOP-18531:
-----------------------------------------

full stack

{code}
[INFO] Running org.apache.hadoop.fs.s3a.performance.ITestS3AOpenCost
[ERROR] Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 49.412 s <<< FAILURE! - in org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream
[ERROR] testReadLargeFileFullyLazySeek(org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream)  Time elapsed: 13.325 s  <<< FAILURE!
java.lang.AssertionError: 
[Maxiumum named action_executor_acquired.max] 
Expecting:
 <0L>
to be greater than:
 <0L> 
        at org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream.testReadLargeFileFullyLazySeek(ITestS3APrefetchingInputStream.java:177)
        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:299)
        at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(Fail

{code}


> assertion failure in ITestS3APrefetchingInputStream
> ---------------------------------------------------
>
>                 Key: HADOOP-18531
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18531
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3, test
>    Affects Versions: 3.4.0
>            Reporter: Steve Loughran
>            Priority: Major
>
> assert failure in {{ITestS3APrefetchingInputStream.testReadLargeFileFullyLazySeek}}; looks like the executor was acquired faster than the test expected.
> {code}
> java.lang.AssertionError: 
> [Maxiumum named action_executor_acquired.max] 
> Expecting:
>  <0L>
> to be greater than:
>  <0L> 
> {code}
> proposed: cut that assert as it doesn't seem needed



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