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 < mj...@informatik.hu-berlin.de> 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 > >
