【发布时间】：2016-04-06 22:27:27
【问题描述】：
我有三个znode：Apache Zookeeper，3.4.8 JAVA 1.8_77 RedHat 6.7、Selinux 禁用、防火墙禁用、IPV6 禁用
主持人：
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.0.133 v175
192.168.0.134 v176
192.168.0.125 V177
配置：
tickTime=2000
dataDir=/home/znode/datadir
clientPort=2181
initLimit=5
syncLimit=2
server.1=v175:2888:3888
server.2=v176:2888:3888
server.3=v177:2888:3888
错误：
essage format version), 2 (n.leader), 0x0 (n.zxid), 0x100f (n.round), LOOKING (n.state), 1 (n.sid), 0x0 (n.peerEpoch) LEADING (my state)
2016-04-05 16:26:00,270 [myid:3] - INFO [WorkerReceiver[myid=3]:FastLeaderElection@600] - Notification: 1 (message format version), 2 (n.leader), 0x0 (n.zxid), 0x100f (n.round), LOOKING (n.state), 1 (n.sid), 0x0 (n.peerEpoch) LEADING (my state)
2016-04-05 16:26:03,099 [myid:3] - WARN [QuorumPeer[myid=3]/0.0.0.0:2181:QuorumPeer@862] - Unexpected exception
java.lang.InterruptedException: Timeout while waiting for epoch from quorum
at org.apache.zookeeper.server.quorum.Leader.getEpochToPropose(Leader.java:881)
at org.apache.zookeeper.server.quorum.Leader.lead(Leader.java:380)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:859)
2016-04-05 16:26:03,100 [myid:3] - INFO [QuorumPeer[myid=3]/0.0.0.0:2181:Leader@496] - Shutting down
2016-04-05 16:26:03,100 [myid:3] - INFO [QuorumPeer[myid=3]/0.0.0.0:2181:Leader@502] - Shutdown called
java.lang.Exception: shutdown Leader! reason: Forcing shutdown
at org.apache.zookeeper.server.quorum.Leader.shutdown(Leader.java:502)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:865)
2016-04-05 16:26:03,100 [myid:3] - INFO [QuorumPeer[myid=3]/0.0.0.0:2181:QuorumPeer@774] - LOOKING
2016-04-05 16:26:03,100 [myid:3] - INFO [LearnerCnxAcceptor-V177/192.168.0.125:2888:Leader$LearnerCnxAcceptor@325] - exception while shutting down acceptor: java.net.SocketException: Socket closed
2016-04-05 16:26:03,100 [myid:3] - INFO [QuorumPeer[myid=3]/0.0.0.0:2181:FastLeaderElection@818] - New election. My id = 3, proposed zxid=0x0
2016-04-05 16:26:03,102 [myid:3] - WARN [WorkerSender[myid=3]:QuorumCnxManager@400] - Cannot open channel to 2 at election address v176/192.168.0.134:3888
java.net.NoRouteToHostException: No route to host
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:381)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:354)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:452)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:433)
at java.lang.Thread.run(Thread.java:745)
2016-04-05 16:26:03,103 [myid:3] - INFO [WorkerSender[myid=3]:QuorumPeer$QuorumServer@149] - Resolved hostname: v176 to address: v176/192.168.0.134
2016-04-05 16:26:03,102 [myid:3] - INFO [WorkerReceiver[myid=3]:FastLeaderElection@600] - Notification: 1 (message format version), 3 (n.leader), 0x0 (n.zxid), 0x100f (n.round), LOOKING (n.state), 1 (n.sid), 0x0 (n.peerEpoch) LOOKING (my state)
服务器无法相互通信。救命！
【问题讨论】：
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在我的集群中，我不得不取消 /etc/hosts 的第一行，因为他将我的节点与其 localhost 地址相关联
标签： java redhat apache-zookeeper