ZK server hang on leader election
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Key: ZOOKEEPER-988
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-988
Project: ZooKeeper
Issue Type: Bug
Components: leaderElection
Affects Versions: 3.3.2
Reporter: Xiaowei Jiang
org.apache.zookeeper.server.quorum.QuorumCnxManager$SendWorker.run thread
exited unexpected, so the server hang on leader election.
QuorumPeer:/0.0.0.0:2181:
[1] sun.misc.Unsafe.park (native method)
[2] java.util.concurrent.locks.LockSupport.parkNanos (LockSupport.java:198)
[3]
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos
(AbstractQueuedSynchronizer.java:1,963)
[4] java.util.concurrent.LinkedBlockingQueue.poll
(LinkedBlockingQueue.java:395)
[5] org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader
(FastLeaderElection.java:677)
[6] org.apache.zookeeper.server.quorum.QuorumPeer.run (QuorumPeer.java:621)
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