java.net.ConnectException: Connection refused
java.net.ConnectException: Connection refused
  at java.net.PlainSocketImpl.socketConnect(Native Method)
  at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
  at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
  at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
  at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
  at java.net.Socket.connect(Socket.java:519)
  at java.net.Socket.connect(Socket.java:469)
  at java.net.Socket.<init>(Socket.java:366)
  at java.net.Socket.<init>(Socket.java:180)
  at ism.config.FtpClient.<init>(FtpClient.java:35)
  at ism.config.IsmConfigManagerImpl.checkFTP(IsmConfigManagerImpl.java:337)
  at ism.config.IsmConfigManagerImpl.insertNode(IsmConfigManagerImpl.java:277)
  at ism.config.IsmConfigManagerImpl.insertNode(IsmConfigManagerImpl.java:1136)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
  at sun.rmi.transport.Transport$1.run(Transport.java:159)
  at java.security.AccessController.doPrivileged(Native Method)
  at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
  at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)


备注：监听端口状态为
 command： netstat -an|grep 22120
 *.22120 *.* 0 0 128000 0 LISTEN
 *.22120 *.* 0 0 128000 0 LISTEN

求思路~~~

   



------解决方案--------------------
看上去是网络连接问题，但是具体为什么，不知道~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`