dubbo注册中心zookeeper出现异常

linux下，zookeeper安装并启动起来了

DEMO时，JAVA控制台出现：

INFO 2014-03-06 09:48:41,276 (ClientCnxn.java:966) - Opening socket connection to server 10.70.42.99/10.70.42.99:2181. Will not attempt to authenticate using SASL (无法定位登录配置)
 WARN 2014-03-06 09:49:02,320 (ClientCnxn.java:1089) - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection timed out: no further information
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)

zookeeper控制台日志

2014-03-05 17:59:32,173 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1001] - Closed socket connection for client /10.70.41.42:44726 (no session established for client)
2014-03-06 09:59:54,754 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /127.0.0.1:39106
2014-03-06 09:59:54,783 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@839] - Client attempting to establish new session at /127.0.0.1:39106
2014-03-06 09:59:54,835 [myid:] - INFO  [SyncThread:0:ZooKeeperServer@595] - Established session 0x14491611e2f0002 with negotiated timeout 30000 for client /127.0.0.1:39106
2014-03-06 10:00:47,193 [myid:] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@349] - caught end of stream exception
EndOfStreamException: Unable to read additional data from client sessionid 0x14491611e2f0002, likely client has closed socket
        at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:220)
        at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
        at java.lang.Thread.run(Thread.java:736)
2014-03-06 10:00:47,195 [myid:] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1001] - Closed socket connection for client /127.0.0.1:39106 which had sessionid 0x14491611e2f0002
2014-03-06 10:01:16,015 [myid:] - INFO  [SessionTracker:ZooKeeperServer@325] - Expiring session 0x14491611e2f0002, timeout of 30000ms exceeded
2014-03-06 10:01:16,016 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@476] - Processed session termination for sessionid: 0x14491611e2f0002

JVM采用了socket代理，不知道跟代理有没有关系，安装不是以ROOT用户的

暂时没解决，记录下来先