J2ME program on mobile

[linkjames]

Hello friends i needed help with J2me programming.
I have this hello world program which runs fine in emulator but when i create jar file and try to run on my mobile i get "Application Error".I use netbeans 6.7 and java ME SDK 3.0 with CLDC 1.1 and MIDP 2.0 and my phone is sony ericsson W700i.Can you guys please help???

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class hello extends MIDlet implements CommandListener{
private Form form;
private Command exit;

public hello(){
form=new Form("Hello world midlet");
form.append("howdy");
exit=new Command("EXIT",Command.EXIT,1);
form.addCommand(exit);
form.setCommandListener(this);
}

public void startApp() {
Display.getDisplay(this).setCurrent(form);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command cmd,Displayable displayable)
{
if(cmd==exit)
{
destroyApp(true);
notifyDestroyed();
}
}
}

[DevelopmentTeam]

you should also check the properties in the jad file.

[linkjames]

thanks for the reply.....but what exactly should i check in JAD file