java.net.SocketException: Unrecognized Windows Sockets error: 0: JVM_Bind

Question

I am getting this error when I am trying to run my project in eclipse:

Server started. Listening to the port 4444
    java.net.SocketException: Unrecognized Windows Sockets error: 0: JVM_Bind
    at java.net.PlainSocketImpl.socketBind(Native Method)
    at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
    at java.net.ServerSocket.bind(ServerSocket.java:319)
    at java.net.ServerSocket.<init>(ServerSocket.java:185)
    at java.net.ServerSocket.<init>(ServerSocket.java:97)
    at MainServer.<init>(MainServer.java:30)
    at MainServer.main(MainServer.java:86)

please suggest me some ways to clear this error.

tommybee · Accepted Answer · 2018-04-11 06:15:02Z

1

It means that the target port number is already occupied by another application server. First, You have to check any previous server application running in your eclipse if so, terminate them all.

then you will have a list what port is used or not by command if you are sure to find no server running :

netstat -an|grep port-number (*NIX)

or

netstat -an|findStr port-number (Windows).

For example in windows, you will see the port 47001 listening now.

answered Apr 11, 2018 at 6:15

tommybee

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