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我可以用同一台机器上的客户机代码连接到RMI服务器。但是当我通过互联网从另一台机器访问它时,我会在几分钟后收到超时异常。来自远程机器的RMI超时
我检查了端口并正在监听。
java.rmi.ConnectException: Connection refused to host: 11.11.11.11; nested exception is:
java.net.ConnectException: Connection timed out
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:110)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:178)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:132)
at $Proxy0.echoString(Unknown Source)
at client.UseMon.main(UseMon.java:42)
Caused by: java.net.ConnectException: Connection timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
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 sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
... 7 more
我现在应该检查什么。
谢谢。
您的网络中是否有防火墙可能阻止您访问某些端口?你可以ping你的远程机器并检查它是否可以从你的计算机上访问?你可以telnet和检查有问题的端口是否打开? – 2011-05-21 13:08:02
否我可以连接到端口thro telnet – itsraja 2011-05-21 13:43:31
如果您的机器或服务器的防火墙处于活动状态,可能会阻止您到达服务器。检查你的设置,你的机器上还是服务器上运行着防火墙?您的远程应用程序的端口是否关闭? – 2011-05-21 13:50:39