[HADOOP-10668] TestZKFailoverControllerStress#testExpireBackAndForth occasionally fails

• Type: Test
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.7.0, 2.6.3, 3.0.0-alpha1
• Component/s: test
• Labels: test
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Ming Ma
• Reporter: Ted Yu
• Created: 06/Jun/14 18:59
• Updated: 30/Aug/16 01:32
• Resolved: 19/Jan/15 19:36

Description

From https://builds.apache.org/job/PreCommit-HADOOP-Build/4018//testReport/org.apache.hadoop.ha/TestZKFailoverControllerStress/testExpireBackAndForth/ :

org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
	at org.apache.zookeeper.server.DataTree.getData(DataTree.java:648)
	at org.apache.zookeeper.server.ZKDatabase.getData(ZKDatabase.java:371)
	at org.apache.hadoop.ha.MiniZKFCCluster.expireActiveLockHolder(MiniZKFCCluster.java:199)
	at org.apache.hadoop.ha.MiniZKFCCluster.expireAndVerifyFailover(MiniZKFCCluster.java:234)
	at org.apache.hadoop.ha.TestZKFailoverControllerStress.testExpireBackAndForth(TestZKFailoverControllerStress.java:84)

Issue Links

• relates to: HADOOP-9555 HA functionality that uses ZooKeeper may experience inadvertent TCP RST and miss session expiration event due to bug in client connection management