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From Ben Sherman <bensher...@gmail.com>
Subject Re: erratic node networking issues ?
Date Mon, 17 Jul 2017 22:19:00 GMT
pong!

Can you describe what behavior you're seeing and what you expect to see?

On Mon, Jul 17, 2017 at 1:30 AM, mostolog@gmail.com <mostolog@gmail.com>
wrote:

> ping!
>
>
>
> On 14/07/17 13:51, mostolog@gmail.com wrote:
>
>>
>> Hi
>>
>> One of our ensemble nodes is showing an erratic behavior:
>>
>>     Jul 13 20:16:00 host12 zookeeper[26293]: [2017-07-13 20:16:00,500]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:16:00 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(
>> QuorumCnxManager.java:421)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.process(FastLeaderElection.java:486)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.run(FastLeaderElection.java:465)
>>     Jul 13 20:16:00 host12 zookeeper[26293]: #011at
>>     java.lang.Thread.run(Thread.java:748)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: [2017-07-13 20:17:00,513]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:17:00 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(
>> QuorumCnxManager.java:421)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.process(FastLeaderElection.java:486)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.run(FastLeaderElection.java:465)
>>     Jul 13 20:17:00 host12 zookeeper[26293]: #011at
>>     java.lang.Thread.run(Thread.java:748)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: [2017-07-13 20:17:26,649]
>>     WARN Connection broken for id 12, my id = 11, error =
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: java.net.SocketException:
>>     Connection timed out (Read failed)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.net.SocketInputStream.socketRead0(Native Method)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.net.SocketInputStream.read(SocketInputStream.java:171)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.net.SocketInputStream.read(SocketInputStream.java:141)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.net.SocketInputStream.read(SocketInputStream.java:224)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.io.DataInputStream.readInt(DataInputStream.java:387)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWork
>> er.run(QuorumCnxManager.java:904)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: [2017-07-13 20:17:26,649]
>>     WARN Interrupting SendWorker
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: [2017-07-13 20:17:26,650]
>>     WARN Interrupted while waiting for message on queue
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:17:26 host12 zookeeper[26293]:
>>     java.lang.InterruptedException
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.util.concurrent.locks.AbstractQueuedSynchronizer$Condit
>> ionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2014)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.util.concurrent.locks.AbstractQueuedSynchronizer$Condit
>> ionObject.awaitNanos(AbstractQueuedSynchronizer.java:2088)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQu
>> eue.java:418)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.pollSend
>> Queue(QuorumCnxManager.java:986)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.access$
>> 500(QuorumCnxManager.java:65)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager$SendWork
>> er.run(QuorumCnxManager.java:824)
>>     Jul 13 20:17:26 host12 zookeeper[26293]: [2017-07-13 20:17:26,654]
>>     WARN Send worker leaving thread  id 12 my id = 11
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: [2017-07-13 20:18:00,501]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:18:00 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(
>> QuorumCnxManager.java:421)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.process(FastLeaderElection.java:486)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.run(FastLeaderElection.java:465)
>>     Jul 13 20:18:00 host12 zookeeper[26293]: #011at
>>     java.lang.Thread.run(Thread.java:748)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: [2017-07-13 20:18:05,540]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:18:05 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(
>> QuorumCnxManager.java:421)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.process(FastLeaderElection.java:486)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection$Messen
>> ger$WorkerSender.run(FastLeaderElection.java:465)
>>     Jul 13 20:18:05 host12 zookeeper[26293]: #011at
>>     java.lang.Thread.run(Thread.java:748)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: [2017-07-13 20:19:10,548]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:19:10 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:19:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: [2017-07-13 20:19:15,554]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:19:15 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:19:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: [2017-07-13 20:20:20,561]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:20:20 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:20:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: [2017-07-13 20:20:25,565]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:20:25 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:20:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: [2017-07-13 20:21:30,569]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:21:30 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:21:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: [2017-07-13 20:21:35,572]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:21:35 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:21:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: [2017-07-13 20:22:40,575]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:22:40 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:22:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: [2017-07-13 20:22:45,584]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:22:45 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:22:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: [2017-07-13 20:23:50,591]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:23:50 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:23:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: [2017-07-13 20:23:55,596]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:23:55 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:23:55 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: [2017-07-13 20:25:00,600]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:25:00 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:25:00 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: [2017-07-13 20:25:05,604]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:25:05 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:25:05 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: [2017-07-13 20:26:10,612]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:26:10 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:26:10 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: [2017-07-13 20:26:15,625]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:26:15 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:26:15 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: [2017-07-13 20:27:20,632]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:27:20 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:27:20 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: [2017-07-13 20:27:25,635]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:27:25 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:27:25 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: [2017-07-13 20:28:30,640]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:28:30 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:28:30 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: [2017-07-13 20:28:35,645]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:28:35 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:28:35 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: [2017-07-13 20:29:40,649]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:29:40 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:29:40 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: [2017-07-13 20:29:45,652]
>>     WARN Cannot open channel to 13 at election address /10.0.0.13:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:29:45 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:29:45 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: [2017-07-13 20:30:50,657]
>>     WARN Cannot open channel to 12 at election address /10.0.0.12:3888
>>     (org.apache.zookeeper.server.quorum.QuorumCnxManager)
>>     Jul 13 20:30:50 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:443)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectO
>> ne(QuorumCnxManager.java:486)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumCnxManager.connectA
>> ll(QuorumCnxManager.java:514)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.FastLeaderElection.lookFo
>> rLeader(FastLeaderElection.java:919)
>>     Jul 13 20:30:50 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1109)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: [2017-07-13 20:30:54,880]
>>     WARN Unexpected exception, tries=0, remaining init limit=6000,
>>     connecting to /10.0.0.12:2888
>>     (org.apache.zookeeper.server.quorum.Learner)
>>     Jul 13 20:30:54 host12 zookeeper[26293]:
>>     java.net.SocketTimeoutException: connect timed out
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     java.net.PlainSocketImpl.socketConnect(Native Method)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>> etImpl.java:350)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>> ainSocketImpl.java:206)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>> Impl.java:188)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     java.net.Socket.connect(Socket.java:589)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.Learner.sockConnect(Learn
>> er.java:227)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.Learner.connectToLeader(
>> Learner.java:256)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.Follower.followLeader(Fol
>> lower.java:76)
>>     Jul 13 20:30:54 host12 zookeeper[26293]: #011at
>>     org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer
>> .java:1133)
>>     Jul 13 21:00:00 host12 zookeeper[26293]: [2017-07-13 21:00:00,522]
>>     WARN Got zxid 0x200007d99 expected 0x1
>>     (org.apache.zookeeper.server.quorum.Learner)
>>     Jul 14 05:50:05 host12 zookeeper[26293]: [2017-07-14 05:50:05,509]
>>     WARN Unable to read additional data from client sessionid
>>     0xc00bee319ed0001, likely client has closed socket
>>     (org.apache.zookeeper.server.NIOServerCnxn)
>>
>> As we are using docker, I was wondering if theres someone else having the
>> same issues, or if there's a timeout setting (or anything else) we could
>> set to improve our zookeeper ensemble stability.
>>
>> Thanks
>>
>>
>>
>

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