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  1. #1
    gisler is offline Member
    Join Date
    Apr 2009
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    Default serversocket listen connection


    I have been building my whole client/server program on one machine using localhost for the client.

    However i have now tried to connect the client to the server across a local network.

    i am not sure how i set my server to listen on my default connection.
    this is my server code
    Java Code:
    public class MultiServer implements Runnable {
        public static final int PORT = 8080;        //set the port
        ServerSocket server = null;      //create a server socket variable
        Socket socket = null;       //create a new socket variable
        public void startConnection() throws IOException {
            server = new ServerSocket(PORT);//creates a new server socket called server
            JOptionPane.showMessageDialog(null, "server started"); //displays a message that the server has been started
            Thread thisThread = new Thread(this); //creates a new thread
            thisThread.start();   //starts the new thread
        public void run() {
            try {
                while (true) {
                    socket = server.accept(); //listens and accepts clients
                    try {
                        new ServerThread(socket, false);  //start serverThread
                        } catch (IOException ex) //catch IOexception if serverthread has errors
                        System.err.println("IOException: " + ex);  //display error
                        socket.close();   //close connection
            } catch (IOException ex) {   //catch IOexception if client cant connec to server
                Logger.getLogger(MultiServer.class.getName()).log(Level.SEVERE, null, ex);
            } finally {
                try {
                    server.close();      //close server
                } catch (IOException ex) {
                    Logger.getLogger(MultiServer.class.getName()).log(Level.SEVERE, null, ex);
    // end of MultiServer class

  2. #2
    Steve11235's Avatar
    Steve11235 is offline Senior Member
    Join Date
    Dec 2008
    Rep Power


    By default, your ServerSocket will listen on ALL IP addresses defined for the host. You can specify an address using the three parameter constructor or by using bind() method.

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