2016-09-27 19:25:49,920 [myid:3] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /172.31.7.244:42810
2016-09-27 19:25:49,921 [myid:3] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@854] - Connection request from old client /172.31.7.244:42810; will be dropped if server is in r-o mode
2016-09-27 19:25:49,921 [myid:3] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@900] - Client attempting to establish new session at /172.31.7.244:42810
2016-09-27 19:25:49,925 [myid:3] - INFO  [CommitProcessor:3:ZooKeeperServer@645] - Established session 0x3575620e5970001 with negotiated timeout 10000 for client /172.31.7.244:42810
2016-09-27 19:25:50,979 [myid:3] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] - caught end of stream exception
EndOfStreamException: Unable to read additional data from client sessionid 0x3575620e5970001, likely client has closed socket
        at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:230)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:203)
        at java.lang.Thread.run(Thread.java:745)
2016-09-27 19:25:50,980 [myid:3] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed socket connection for client /172.31.7.244:42810 which had sessionid 0x3575620e5970001