各位好
我在android里启动了一个ServerSocket监听10000端口，又在本地的另一非Android工程中，想启动client来给Server发消息。
但是报出了以下错误：
（使用127.0.0.1 port:10000）
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:529)
at java.net.Socket.connect(Socket.java:478)
at java.net.Socket.<init>(Socket.java:375)
at java.net.Socket.<init>(Socket.java:189)
at com.socket.SocketClient.<init>(SocketClient.java:11)
at com.socket.SocketClient.main(SocketClient.java:39)
Exception in thread "main" java.lang.NullPointerException
at com.socket.SocketClient.sendMsg(SocketClient.java:21)
at com.socket.SocketClient.main(SocketClient.java:40)
（使用10.0.2.2 port:10000）
java.net.NoRouteToHostException: No route to host
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:529)
at java.net.Socket.connect(Socket.java:478)
at java.net.Socket.<init>(Socket.java:375)
at java.net.Socket.<init>(Socket.java:189)
at com.socket.SocketClient.<init>(SocketClient.java:11)
at com.socket.SocketClient.main(SocketClient.java:39)
Exception in thread "main" java.lang.NullPointerException
at com.socket.SocketClient.sendMsg(SocketClient.java:21)
at com.socket.SocketClient.main(SocketClient.java:40)
求大大帮忙分析下原因是什么呢？
先谢谢了
------解决方案--------------------
权限？
------解决方案--------------------
好像android模拟器的IP是10.0.0.2，不是127.0.0.1
------解决方案--------------------
不管你作为localhost还是server，IP地址改变了？不要想得太复杂了，其实就是两个IP地址通讯，不管哪一方是服务器都一样