2017-11-30 17:56:24,776 [main-SendThread(zookeeper.host:2181)] WARN org.apache.zookeeper.ClientCnxnSendThread (ClientCnxn.java:1102) - Session 0x15f4c7937b4004b for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
at org.apache.zookeeper.ClientCnxn
SendThread.run(ClientCnxn.java:1081)

关闭消费者,等session过期再重启。

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