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From Stephan Ewen <se...@apache.org>
Subject Re: Failing tests
Date Sun, 12 Jul 2015 13:19:17 GMT
I think the tests there are known to be a bi flaky.

I agree that this should be a priority to fix. We don't get good
contributor culture, if 4 out of 5 pull request are marked as erroneous for
reasons beyond the actual contribution.

On Sat, Jul 11, 2015 at 1:31 AM, Matthias J. Sax <
mjsax@informatik.hu-berlin.de> wrote:

> Hi,
>
> I hit two failing tests recently. The first once
> (flink-streaming-examples), failed a single time (see
> https://travis-ci.org/mjsax/flink/jobs/70396872)
>
> > Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 17.057
> sec <<< FAILURE! - in
> org.apache.flink.streaming.test.exampleJavaPrograms.iteration.IterateExampleITCase
> >
> >
> testJobWithoutObjectReuse(org.apache.flink.streaming.test.exampleJavaPrograms.iteration.IterateExampleITCase)
> Time elapsed: 16.34 sec <<< FAILURE!
> >
> > java.lang.AssertionError: Different number of lines in expected and
> obtained result. expected:<18> but was:<0>
> >
> > at org.junit.Assert.fail(Assert.java:88)
> >
> > at org.junit.Assert.failNotEquals(Assert.java:743)
> >
> > at org.junit.Assert.assertEquals(Assert.java:118)
> >
> > at org.junit.Assert.assertEquals(Assert.java:555)
> >
> > at
> org.apache.flink.test.util.TestBaseUtils.compareResultsByLinesInMemory(TestBaseUtils.java:272)
> >
> > at
> org.apache.flink.test.util.TestBaseUtils.compareResultsByLinesInMemory(TestBaseUtils.java:258)
> >
> > at
> org.apache.flink.streaming.test.exampleJavaPrograms.iteration.IterateExampleITCase.postSubmit(IterateExampleITCase.java:38)
> >
> > Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.827
> sec - in
> org.apache.flink.streaming.test.exampleScalaPrograms.join.WindowJoinITCase
> >
> > Results :
> >
> > Failed tests:
> >
> >
> IterateExampleITCase>StreamingProgramTestBase.testJobWithoutObjectReuse:109->postSubmit:38->TestBaseUtils.compareResultsByLinesInMemory:258->TestBaseUtils.compareResultsByLinesInMemory:272
> Different number of lines in expected and obtained result. expected:<18>
> but was:<0>
>
>
> The second one (flink-tests), failed multiple times:
>   - https://travis-ci.org/apache/flink/builds/70397048
>   - https://travis-ci.org/mjsax/flink/jobs/70432777
>   - https://travis-ci.org/mjsax/flink/jobs/70432616
>   - https://travis-ci.org/mjsax/flink/jobs/70386808
>
> > Failed tests:
> >
> >
> ProcessFailureStreamingRecoveryITCase>AbstractProcessFailureRecoveryTest.testTaskManagerProcessFailure:198
> The program encountered a ProgramInvocationException : The program
> execution failed: Job execution failed.
>
>
> Any ideas about the one or the other?
>
>
> -Matthias
>
>

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