[jira] [Created] (FLINK-5100) Test testZooKeeperReelection is instable

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-5100:
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             Summary: Test testZooKeeperReelection is instable
                 Key: FLINK-5100
                 URL: https://issues.apache.org/jira/browse/FLINK-5100
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
            Reporter: Stefan Richter


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



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