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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)
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可能是您的连接端口被占用的问题。尝试更改连接端口号并重新连接。在目录 \glassfish-3.0\glassfish\domains\domain1\config 中找到 Domain.xml 文件,并将端口号 8080 更改为以下行中的任何其他端口,例如 9999 -

<network-listener name="http-listener-1" port="8080" thread-pool="http-thread-pool" transport="tcp" protocol="http-listener-1"/>

关闭文件并重新启动 glassfish 服务器并重新运行您的程序。

于 2014-07-05T11:32:38.440 回答