l'envoi et la reception d'un message dans eclipse HELIOS et java ME platform SDK

Salut
Est ce que quelqu'un peut m'aider s'il vous plait????
J’ai un programme en java qui est supposer faire l’envoi et la réception d’un message il s’exécute dans eclipse mais il ne fait ni l’envoi ni la réception et le grand problème il ne s’exécute pas dans java ME Platform SDK.
Voila le programme:
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import javax.microedition.io.*;
import javax.wireless.messaging.*;

public class sms extends MIDlet
implements CommandListener {
private Display display;
private TextField textMesg;
private TextField dest;
private Command doneCommand;
private Command send1Command;
private Command send2Command;
private String serverPort;
private boolean done;
private MessageConnection sconn;

public sms () throws Exception {
display = Display.getDisplay(this);

doneCommand = new Command("DONE",
Command.SCREEN, 1);
send1Command = new Command("SEND1",
Command.SCREEN, 1);
send2Command = new Command("SEND2",
Command.SCREEN, 1);

serverPort = getAppProperty("serverPort");
}

public void startApp() {
try {
displayBlankForm ();
sconn = (MessageConnection)
Connector.open("sms://:" + serverPort);
done = false;
new Thread(new SMSServer()).start();
} catch (Exception e) {
System.out.print("Error in start");
e.printStackTrace();
}
}

public void pauseApp() {
done = true;
try {
sconn.close();
} catch (Exception e) {
System.out.print("Error in pause");
e.printStackTrace();
}
}

public void destroyApp(boolean unconditional) {
done = true;
try {
sconn.close();
} catch (Exception e) {
System.out.print("Error in pause");
e.printStackTrace();
}
}

// There are some potentially blocking I/O
// operations in this callback function.
// In real world applications, you probably
// want to move them to a separate thread.

public void commandAction(Command command,
Displayable screen) {
if (command == doneCommand) {
destroyApp(false);
notifyDestroyed();
} else if (command == send1Command) {
try {
String addr = "sms://+" + dest.getString();
MessageConnection conn =
(MessageConnection) Connector.open(addr);
TextMessage msg =
(TextMessage) conn.newMessage(
MessageConnection.TEXT_MESSAGE);
msg.setPayloadText( textMesg.getString() );
conn.send(msg);
conn.close();
displayBlankForm ();
} catch (Exception e) {
System.out.println("Error in sending");
e.printStackTrace ();
}
} else if (command == send2Command) {
try {
String addr = "sms://+" + dest.getString();
TextMessage msg =
(TextMessage) sconn.newMessage(
MessageConnection.TEXT_MESSAGE);
msg.setAddress ( addr );
msg.setPayloadText( textMesg.getString() );
sconn.send(msg);
displayBlankForm ();
} catch (Exception e) {
System.out.println("Error in sending");
e.printStackTrace ();
}
}
}

private void displayBlankForm () throws Exception {
Form form = new Form ("WMATester");
textMesg = new TextField("Message", "",
100, TextField.ANY);
dest = new TextField("Phone No.", "",
20, TextField.ANY);
form.append( dest );
form.append( textMesg );
form.addCommand(doneCommand);
form.addCommand(send1Command);
form.addCommand(send2Command);
form.setCommandListener(
(CommandListener) this);
display.setCurrent(form);
}

class SMSServer implements Runnable {
public void run () {
try {
while (!done) {
Message msg = sconn.receive();
if (msg instanceof TextMessage) {
TextMessage tmsg = (TextMessage) msg;
String msgText = tmsg.getPayloadText();

// Construct the return message
TextMessage rmsg =
(TextMessage) sconn.newMessage(
MessageConnection.TEXT_MESSAGE);
rmsg.setAddress ( tmsg.getAddress() );
rmsg.setPayloadText( "Message " +
msgText +
" is received" );
sconn.send(rmsg);

Alert alert = new Alert ("Received", msgText,
null, AlertType.ERROR);
alert.setTimeout(Alert.FOREVER);
display.setCurrent( alert );
} else {
throw new Exception("Received is not a text mesg");
}
}
} catch (Exception e) {
System.out.println("Error in server receiving");
e.printStackTrace ();
}
}
}
}