[jira] [Created] (FLINK-2839) Failing test: OperatorStatsAccumulatorTest.testAccumulatorAllStatistics

[Shang Yuanchun (Jira)]

Gabor Gevay created FLINK-2839:
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             Summary: Failing test: OperatorStatsAccumulatorTest.testAccumulatorAllStatistics
                 Key: FLINK-2839
                 URL: https://issues.apache.org/jira/browse/FLINK-2839
             Project: Flink
          Issue Type: Bug
          Components: flink-contrib
            Reporter: Gabor Gevay
            Priority: Minor


I saw this test failure:

{code}
Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 7.633 sec <<< FAILURE! - in org.apache.flink.contrib.operatorstatistics.OperatorStatsAccumulatorTest
testAccumulatorAllStatistics(org.apache.flink.contrib.operatorstatistics.OperatorStatsAccumulatorTest)  Time elapsed: 1.5 sec  <<< FAILURE!
java.lang.AssertionError: The total number of heavy hitters should be between 0 and 5.
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.apache.flink.contrib.operatorstatistics.OperatorStatsAccumulatorTest.testAccumulatorAllStatistics(OperatorStatsAccumulatorTest.java:151)
{code}

Full log [here|https://s3.amazonaws.com/archive.travis-ci.org/jobs/84469788/log.txt].

Maybe the test should set a constant seed to the {{Random}} object.



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