WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, cl
osing 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:567)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
2015-08-09 19:50:02,232 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server Slave1.hadoop
/10.37.44.122:2181. Will not attempt to authenticate using SASL (Unable to locate a login configuration)
2015-08-09 19:50:02,237 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, cl
osing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)