AS3 And Java Server

programming
1

Hello,
I’m learning Flash AS3 XMLSocket’s and trying create Chat client with AS3 and Java ( For server ).
My Chat client can send message to server but can’t receive back message from server to Chat client.
Maybe anyone can help ?
Chat Client source:

 
errorIndicator_mc.visible = false;
var xmlSocket:XMLSocket = new XMLSocket();
xmlSocket.addEventListener(DataEvent.DATA, onIncomingData);
xmlSocket.addEventListener(Event.CONNECT , onConnected);
connect_btn.addEventListener(MouseEvent.CLICK, onConnectClicked);
send_btn.addEventListener(MouseEvent.CLICK, onSendClicked);

function onConnectClicked(msg:Event)
{
 errorIndicator_mc.visible = false;
 
 if(username_txt.text.length <= 0)
 {
  errorIndicator_mc.visible = true;
  return;
 }
 
 xmlSocket.connect("127.0.0.1", 8080);  
}
function onConnected(msg:Event)
{
 connect_btn.enabled = false;
 xmlSocket.send(username_txt.text + "~has connected");
}
function onSendClicked(msg:Event)
{
 if(sendChat_txt.text.length > 0)
  xmlSocket.send(username_txt.text + "~" + sendChat_txt.text);
  
 sendChat_txt.text = "";
}
function onIncomingData(event:DataEvent):void
{
 incomingChat_txt.htmlText += event.data;
}

And Java Server source:

 
import java.io.*; 
import java.net.*; 
 
class SimpleServer 
{ 
    private static SimpleServer server; 
    ServerSocket socket; 
    Socket incoming; 
    BufferedReader readerIn; 
    PrintStream printOut; 
 
    public static void main(String[] args) 
    { 
        int port = 8080; 
 
        try 
        { 
            port = Integer.parseInt(args[0]); 
        } 
        catch (ArrayIndexOutOfBoundsException e) 
        { 
            // Catch exception and keep going. 
        } 
 
        server = new SimpleServer(port); 
    } 
 
    private SimpleServer(int port) 
    { 
        System.out.println(">> Starting SimpleServer"); 
        try 
        { 
            socket = new ServerSocket(port); 
            incoming = socket.accept(); 
            readerIn = new BufferedReader(new InputStreamReader(incoming.getInputStream())); 
            printOut = new PrintStream(incoming.getOutputStream()); 
            printOut.println("Enter EXIT to exit.\r"); 
            out("Enter EXIT to exit.\r"); 
            boolean done = false; 
            while (!done) 
            { 
                String str = readerIn.readLine(); 
                if (str == null) 
                { 
                    done = true; 
                } 
                else 
                { 
                    out("Echo: " + str + "\r"); 
                    if(str.trim().equals("EXIT")) 
                    { 
                        done = true; 
                    } 
                } 
                incoming.close(); 
            } 
        } 
        catch (Exception e) 
        { 
            System.out.println(e); 
        } 
    } 
 
    private void out(String str) 
    { 
        printOut.println(str); 
        System.out.println(str); 
    } 
}

Thanks!