[FLINK-2839] Failing test: OperatorStatsAccumulatorTest.testAccumulatorAllStatistics

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Invalid
• Fix Version/s: 1.2.0
• Component/s: flink-contrib
• Labels: test-stability
• Assignee: Unassigned
• Reporter: Gábor Gévay
• Created: 09/Oct/15 11:33
• Updated: 14/Nov/16 13:26
• Resolved: 14/Nov/16 13:26

Description

I saw this test failure:

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)

Full log here.

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