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0

I'm running a multithreaded server that handles the connection of multiple clients. The server-client interaction works without issue when the clients connect using the 'localhost' address. But when using the IP-address of the server the software stops responding after creating the Socket on the client side even if the client is running on the host computer.

CLIENT SIDE:

System.out.println("Connecting to server " + ip + ":" + port + " ... ");

    if(socket == null || socket.isClosed()) {

        try {

            System.out.println("Socket is closed. Creating new socket.");

            socket = new Socket(InetAddress.getByName(ip), port); // This is the point where the client gets stuck when using an IP-address. Using "localhost" works fine.

            System.out.println("Created new socket");

            try {

                System.out.println("Attempting to create new streams");

                oos = new ObjectOutputStream(socket.getOutputStream());

                ois = new ObjectInputStream(socket.getInputStream());

                System.out.println("Created new streams");

            } catch (IOException e) {

                e.printStackTrace();

                System.out.print("Could not connect socket streams");

                disconnect();

                return false;

            }

            System.out.print("Successfully connected to server...");

            start();

            return true;

        } catch (Exception e) {

            System.out.print("Cannot connect to server");

            e.printStackTrace();

            return false;

        }

    }

SERVER SIDE:

    public Server(int port, ServerController controller) throws IOException {



    this.controller = controller;

    try {

        serversocket = new ServerSocket(port);

        server.start();

    } catch (IllegalArgumentException e) {}



    this.port = serversocket.getLocalPort();

}



public void run() {

    System.out.println("MessengerServer running, port " + serversocket.getLocalPort());

    while(!serversocket.isClosed()) {

        try  {

            Socket socket = serversocket.accept();

            tempClient = new ClientHandler(socket, controller);

            clients.add(tempClient);

        } catch(IOException e) { 

        }

    }

}

networking java

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asked yesterday

JoelJoel

1

migrated from superuser.com yesterday

This question came from our site for computer enthusiasts and power users.

add a comment | 

0

I'm running a multithreaded server that handles the connection of multiple clients. The server-client interaction works without issue when the clients connect using the 'localhost' address. But when using the IP-address of the server the software stops responding after creating the Socket on the client side even if the client is running on the host computer.

CLIENT SIDE:

System.out.println("Connecting to server " + ip + ":" + port + " ... ");

    if(socket == null || socket.isClosed()) {

        try {

            System.out.println("Socket is closed. Creating new socket.");

            socket = new Socket(InetAddress.getByName(ip), port); // This is the point where the client gets stuck when using an IP-address. Using "localhost" works fine.

            System.out.println("Created new socket");

            try {

                System.out.println("Attempting to create new streams");

                oos = new ObjectOutputStream(socket.getOutputStream());

                ois = new ObjectInputStream(socket.getInputStream());

                System.out.println("Created new streams");

            } catch (IOException e) {

                e.printStackTrace();

                System.out.print("Could not connect socket streams");

                disconnect();

                return false;

            }

            System.out.print("Successfully connected to server...");

            start();

            return true;

        } catch (Exception e) {

            System.out.print("Cannot connect to server");

            e.printStackTrace();

            return false;

        }

    }

SERVER SIDE:

    public Server(int port, ServerController controller) throws IOException {



    this.controller = controller;

    try {

        serversocket = new ServerSocket(port);

        server.start();

    } catch (IllegalArgumentException e) {}



    this.port = serversocket.getLocalPort();

}



public void run() {

    System.out.println("MessengerServer running, port " + serversocket.getLocalPort());

    while(!serversocket.isClosed()) {

        try  {

            Socket socket = serversocket.accept();

            tempClient = new ClientHandler(socket, controller);

            clients.add(tempClient);

        } catch(IOException e) { 

        }

    }

}

networking java

share|improve this question

asked yesterday

JoelJoel

1

migrated from superuser.com yesterday

This question came from our site for computer enthusiasts and power users.

add a comment | 

I'm running a multithreaded server that handles the connection of multiple clients. The server-client interaction works without issue when the clients connect using the 'localhost' address. But when using the IP-address of the server the software stops responding after creating the Socket on the client side even if the client is running on the host computer.

CLIENT SIDE:

System.out.println("Connecting to server " + ip + ":" + port + " ... ");

    if(socket == null || socket.isClosed()) {

        try {

            System.out.println("Socket is closed. Creating new socket.");

            socket = new Socket(InetAddress.getByName(ip), port); // This is the point where the client gets stuck when using an IP-address. Using "localhost" works fine.

            System.out.println("Created new socket");

            try {

                System.out.println("Attempting to create new streams");

                oos = new ObjectOutputStream(socket.getOutputStream());

                ois = new ObjectInputStream(socket.getInputStream());

                System.out.println("Created new streams");

            } catch (IOException e) {

                e.printStackTrace();

                System.out.print("Could not connect socket streams");

                disconnect();

                return false;

            }

            System.out.print("Successfully connected to server...");

            start();

            return true;

        } catch (Exception e) {

            System.out.print("Cannot connect to server");

            e.printStackTrace();

            return false;

        }

    }

SERVER SIDE:

    public Server(int port, ServerController controller) throws IOException {



    this.controller = controller;

    try {

        serversocket = new ServerSocket(port);

        server.start();

    } catch (IllegalArgumentException e) {}



    this.port = serversocket.getLocalPort();

}



public void run() {

    System.out.println("MessengerServer running, port " + serversocket.getLocalPort());

    while(!serversocket.isClosed()) {

        try  {

            Socket socket = serversocket.accept();

            tempClient = new ClientHandler(socket, controller);

            clients.add(tempClient);

        } catch(IOException e) { 

        }

    }

}

networking java

share|improve this question

asked yesterday

JoelJoel

1

System.out.println("Connecting to server " + ip + ":" + port + " ... ");

    if(socket == null || socket.isClosed()) {

        try {

            System.out.println("Socket is closed. Creating new socket.");

            socket = new Socket(InetAddress.getByName(ip), port); // This is the point where the client gets stuck when using an IP-address. Using "localhost" works fine.

            System.out.println("Created new socket");

            try {

                System.out.println("Attempting to create new streams");

                oos = new ObjectOutputStream(socket.getOutputStream());

                ois = new ObjectInputStream(socket.getInputStream());

                System.out.println("Created new streams");

            } catch (IOException e) {

                e.printStackTrace();

                System.out.print("Could not connect socket streams");

                disconnect();

                return false;

            }

            System.out.print("Successfully connected to server...");

            start();

            return true;

        } catch (Exception e) {

            System.out.print("Cannot connect to server");

            e.printStackTrace();

            return false;

        }

    }

    public Server(int port, ServerController controller) throws IOException {



    this.controller = controller;

    try {

        serversocket = new ServerSocket(port);

        server.start();

    } catch (IllegalArgumentException e) {}



    this.port = serversocket.getLocalPort();

}



public void run() {

    System.out.println("MessengerServer running, port " + serversocket.getLocalPort());

    while(!serversocket.isClosed()) {

        try  {

            Socket socket = serversocket.accept();

            tempClient = new ClientHandler(socket, controller);

            clients.add(tempClient);

        } catch(IOException e) { 

        }

    }

}

share|improve this question

asked yesterday

JoelJoel

1

share|improve this question

asked yesterday

JoelJoel

1

asked yesterday

JoelJoel

1

asked yesterday

JoelJoel

1