Socket Problem mit Server

[LOALER]

Ich habe vor kurzem mit Netzwerkprogrammierung angefangen und bin nun auf das Problem gestoßen, dass entweder mein PrintWriter nicht mehr sendet oder mein Scanner nichts mehr empfängt.
ChatClient.java

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.SocketException;
import java.util.Scanner;

import javax.swing.JFrame;
import javax.swing.JTextPane;

import javax.swing.JTextField;
import javax.swing.JButton;

public class ChatClient {

    JFrame frame;
    private JTextField textField;
    private JTextPane textPane;
    private Socket server;
    private PrintWriter out;

    public ChatClient(Socket socket, PrintWriter pwout) {
        out = pwout;
        server = socket;
        initialize();
    }

    private void initialize() {
        frame = new JFrame();
        frame.setBounds(100, 100, 450, 300);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().setLayout(null);
       
        textPane = new JTextPane();
        textPane.setEditable(false);
        textPane.setBounds(10, 10, 415, 200);
        frame.getContentPane().add(textPane);
       
        textField = new JTextField();
        textField.setBounds(10, 230, 325, 20);
        frame.getContentPane().add(textField);
        textField.setColumns(10);
       
        JButton btnNewButton = new JButton("Send");
        btnNewButton.setBounds(340, 225, 90, 25);
        btnNewButton.addActionListener(new LoginListener());
        frame.getContentPane().add(btnNewButton);
    }
    public class LoginListener implements ActionListener {                      // Listener ruft die Methode stein() auf.
        public void actionPerformed(ActionEvent ev) {      
            String message = textField.getText();
            //out.println(2);
            System.out.println(message);
            out.println(message);
        }
      }
}

ClientThread.java

import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Scanner;

public class ClientThread implements Runnable {
   
    Socket client;
    String name;
    PrintWriter out;
    Scanner in;
   
    public ClientThread(Socket s, String user, Scanner sin, PrintWriter pwout){
        System.out.println("2");
        client = s;
        name = user;
        in  = sin;
        out = pwout;
    }
    public void sendMessage(String message){
        out.println(message);
    }
    @Override
    public void run() {
        while(client.isConnected()){
            if(in.hasNext()){
                String message = in.next();
                System.out.println("Broadcasting message: "+message);
                Server.broadcast(name, message);
            }
        }
        Server.clients.remove(this);
    }
    public boolean isConnected(){
        return client.isConnected();
    }
    public String getName(){
        return name;
    }

}

 

[dayaftereh]

Wo holst du dir den Input und OutputStream von deinem Client Socket ? Ist dein Server gleichzeitig dein Client ? Normal willst du doch dein Chat mit zwei unabhängigen Applikation haben ?