Re: erratic node networking issues ?

[email protected] Wed, 19 Jul 2017 00:30:07 -0700

yes...as you can see, I used the same "host12" hostname :)



On 18/07/17 20:26, Abraham Fine wrote:

Is this the same cluster that is experiencing the issue described in the
thread "intermitent failures led to node restart"? If so, I would be
surprised if this is not the same issue being experienced at different
times (one before a node joins the quorum and one after).

Abe

On Tue, Jul 18, 2017, at 01:25, [email protected] wrote:

The node not going up and down so frequently?


On 18/07/17 00:19, Ben Sherman wrote:

pong!

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

On Mon, Jul 17, 2017 at 1:30 AM, [email protected] <[email protected]>
wrote:

ping!



On 14/07/17 13:51, [email protected] 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

Re: erratic node networking issues ?

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