Re: Assertion Error in flink-test

Posted by Matthias J. Sax on Jun 23, 2015; 11:38am
URL: http://deprecated-apache-flink-mailing-list-archive.368.s1.nabble.com/Assertion-Error-in-flink-test-tp6620p6629.html

Shall I provide a PR to fix this test using .collect()? JIRA?

-Matthias

On 06/23/2015 12:22 PM, Stephan Ewen wrote:

> Hi!
>
> On Travis, there seems to be the weird issue that the file writing in the
> tests is not completely reliable. Sometimes the test results are read from
> incomplete/stale files.
>
> I lazily try to migrate failed tests to using "collect()". This seems
> reliable on Travis.
>
> Cheers,
> Stephan
>
>
> On Tue, Jun 23, 2015 at 10:04 AM, Matthias J. Sax <
> [hidden email]> wrote:
>
>> 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.SumMinMaxITCase
>>> testGroupedAggregate[Execution mode =
>> 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(SumMinMaxITCase.java:56)
>>
>> Please see: https://travis-ci.org/mjsax/flink/jobs/67853420
>>
>> Is this a knows issue? I never encountered this error before.
>>
>>
>> -Matthias
>>
>>
>