异常信息

java.net.ConnectException: Connection refused: no further information

java.nio.channels.ClosedChannelException

19:21:14,288  INFO ClientCnxn:1032 - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
19:21:16,637  WARN ClientCnxn:1162 - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused: no further information
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
19:21:16,640 DEBUG ClientCnxnSocketNIO:203 - Ignoring exception during shutdown input
java.nio.channels.ClosedChannelException
	at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:780)
	at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:399)
	at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:200)
	at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1246)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1170)
19:21:16,640 DEBUG ClientCnxnSocketNIO:210 - Ignoring exception during shutdown output
java.nio.channels.ClosedChannelException
	at sun.nio.ch.SocketChannelImpl.shutdownOutput(SocketChannelImpl.java:797)
	at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:407)
	at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:207)
	at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1246)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1170)