Please help! I get the message ALERT: Error verifying class MyCnavas

Question

Hello, I'm Trying to work on a gaming project in j2me. For which first of all, I'm trying to create a menu using the low level API. I tried the following program to see if my idea works. I tried to add in the menu items by calling g.drawString inside a for loop in the paint method. Then I've used the drawRect to draw a highlighting rectangle around the first menu item. It compiles and preverifies successfully, after which it gives me the error while running:
ALERT: Error verifying class MyCnavas
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
class MyCanvas extends Canvas
     private static final int DOWN = -2;
     private static final int UP = -1;
     Graphics g;
     int itemposition = 0;
     public MyCanvas()
          super();
          repaint();
     public void paint(Graphics g)
          this.g = g;
          int pos=0;
          for ( int i =1; i<3;i++)
               pos = i*20;
               g.drawString("Option".concat(String.valueOf(i)), 20,pos, Graphics.TOP|Graphics.LEFT);
          g.drawRect(15,pos-5, getWidth()- 50, pos+5);
     public void keyPressed( int keycode)
          System.out.println(keycode);
          //if ( keycode == UP)
public class MyMIDlet extends MIDlet
     MyCanvas can;
     Display display;
     public MyMIDlet()
          can = new MyCanvas();
     public void startApp()
          display = Display.getDisplay(this);
          display.setCurrent(can);
     public void pauseApp()
     public void destroyApp( boolean unconditional)
}Any help on this issue will be greatly helpful
Regards
Rahul

Answer 1

No, I am using the default emulator provided by the sun midp 2.0 specification. I am executing the program on the command prompt. I am not using the wireless tollkit provided by sun.
I already tried removing those declarations of UP and DOWN, which are quite unnecessary I understand. and I tried removing the repaint call in the constructor. It still gives me the same problem.
I am not able to figure out what the problem could be. ANy help on this would be appreciated
Rahul