我正在尝试连接到 glassfish 服务器,但每次运行预先编写的程序时都会出现此错误。我已经正确安装了 netbeans 和 glassfish 3 并设置了服务器,所以我没有想法。错误如下。非常感谢!
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
Can't join the chat roomjava.net.ConnectException: Connection refused: connect
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at java.net.Socket.<init>(Socket.java:425)
at java.net.Socket.<init>(Socket.java:241)
at guiclient.ChatRoom.<init>(ChatRoom.java:30)
at guiclient.GuiChatClientMain.main(GuiChatClientMain.java:17)