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Message-ID: <55894539.50301@informatik.hu-berlin.de>
Date: Tue, 23 Jun 2015 13:38:33 +0200
From: "Matthias J. Sax" <mjsax@informatik.hu-berlin.de>
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To: dev@flink.apache.org
Subject: Re: Assertion Error in flink-test
References: <55891323.4070001@informatik.hu-berlin.de>
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Shall I provide a PR to fix this test using .collect()? JIRA?

-Matthias

On 06/23/2015 12:22 PM, Stephan Ewen wrote:
> Hi!
>=20
> On Travis, there seems to be the weird issue that the file writing in t=
he
> tests is not completely reliable. Sometimes the test results are read f=
rom
> incomplete/stale files.
>=20
> I lazily try to migrate failed tests to using "collect()". This seems
> reliable on Travis.
>=20
> Cheers,
> Stephan
>=20
>=20
> On Tue, Jun 23, 2015 at 10:04 AM, Matthias J. Sax <
> mjsax@informatik.hu-berlin.de> wrote:
>=20
>> Hi,
>>
>> a recent build failed for me, due to an AssertionError:
>>
>>> Tests run: 6, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.479=

>> sec <<< FAILURE! - in org.apache.flink.test.javaApiOperators.SumMinMax=
ITCase
>>> testGroupedAggregate[Execution mode =3D
>> CLUSTER](org.apache.flink.test.javaApiOperators.SumMinMaxITCase) Time
>> elapsed: 0.983 sec <<< FAILURE!
>>> java.lang.AssertionError: Different number of lines in expected and
>> obtained result. expected:<6> but was:<3>
>>> 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:270)
>>> at
>> org.apache.flink.test.util.TestBaseUtils.compareResultsByLinesInMemory=
(TestBaseUtils.java:256)
>>> at
>> org.apache.flink.test.javaApiOperators.SumMinMaxITCase.after(SumMinMax=
ITCase.java:56)
>>
>> Please see: https://travis-ci.org/mjsax/flink/jobs/67853420
>>
>> Is this a knows issue? I never encountered this error before.
>>
>>
>> -Matthias
>>
>>
>=20


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