[FLINK-5100] Test testZooKeeperReelection is instable

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Cannot Reproduce
• Component/s: Runtime / Coordination
• Labels: test-stability
• Assignee: Unassigned
• Reporter: Stefan Richter
• Created: 18/Nov/16 17:27
• Updated: 06/Mar/18 10:48
• Resolved: 06/Mar/18 10:48

Description

I observed this test failing (very rarely) on Travis:

testZooKeeperReelection(org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionTest) Time elapsed: 303.321 sec <<< FAILURE!
java.lang.AssertionError: null
at org.junit.Assert.fail(Assert.java:86)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertFalse(Assert.java:64)
at org.junit.Assert.assertFalse(Assert.java:74)
at org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionTest.testZooKeeperReelection(ZooKeeperLeaderElectionTest.java:197)

Results :

Failed tests:
ZooKeeperLeaderElectionTest.testZooKeeperReelection:197 null