[英]Java sockets - java.net.ConnectException: Connection refused: connect
I've created a simple chat program which communicates using sockets. 我创建了一个简单的聊天程序,它使用套接字进行通信。 Everything works fine when I'm running it on localhost. 当我在localhost上运行时,一切正常。 However, the problems occur when I try to link the client and server programs using my IP. 但是,当我尝试使用我的IP链接客户端和服务器程序时,会出现问题。
http://www.canyouseeme.org/ can connect to my server on port 9999 so I know that the server is fine and the port is open . http://www.canyouseeme.org/可以通过端口9999连接到我的服务器,所以我知道服务器很好,端口是打开的 。 However, my client can't connect. 但是,我的客户端无法连接。
The error log... 错误日志......
java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at Client.connect(Client.java:129)
at Client.main(Client.java:47)
Does anybody have any idea what might be causing this? 有没有人知道可能导致这种情况的原因是什么? Thanks in advance. 提前致谢。
Edit: Links to the full source code: 编辑:完整源代码的链接:
Have a look at the answers to: java.net.ConnectException: Connection refused 看看答案: java.net.ConnectException:连接被拒绝
My first suspicion however would be a firewall issue..... 然而,我的第一个怀疑是防火墙问题......
Is your client on same LAN as your server? 您的客户端是否与服务器位于同一LAN上? I think you should re-check IP address / host name and port number to which your client is connecting. 我认为您应该重新检查客户端连接的IP地址/主机名和端口号。
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