Не запускается java-приложение на Symbian 9.1

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Ticker;
import java.io.IOException;
 
public class SlideShow extends MIDlet implements CommandListener {
    
    private Display display;
    private Form form;
    private Image image;
    private Command next;
    private Command back;
    private int slideNum = 1;
    private int maxSlideNum = 2;
    
    public void pauseApp() {}
    
    public void destroyApp(boolean unconditional) {
        notifyDestroyed();
    }
    
    public void startApp() {
        display = Display.getDisplay(this);
        form = new Form(null);
        form.setCommandListener(this);
        next = new Command("Next", Command.OK, 1);
        form.addCommand(next);
        back = new Command("Back", Command.BACK, 1);
        form.addCommand(back);
        Ticker t = new Ticker("My Photoalbum");
        form.setTicker(t);
        setImage("/1.png");
        display.setCurrent(form);
    }
    
    public void commandAction(Command c, Displayable d) {
        if (c == next && slideNum < maxSlideNum)
            slideNum++;
        if (c == back && slideNum > 1)
            slideNum--;
        form.delete(0);
        setImage("/" + Integer.toString(slideNum) + ".png");
    }
    
    public void setImage(String path) {
        try {
            image = Image.createImage(path);
        } catch (IOException ioe) {
            System.out.println(ioe.getMessage());
        }
        form.append(image);
    }
}

package ru.cyberforum;
 
import java.io.IOException;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Ticker;
import javax.microedition.midlet.MIDlet;
 
/**
 *
 * @author ВитаминКО
 */
public class SlideShow extends MIDlet implements CommandListener  {
    private final Display display;
    private final Form form;
    private final Command next;
    private final Command back;
    private int slideNum = 1;
    private final int maxSlideNum = 2;
    private Image image;
 
    public SlideShow(){
        display = Display.getDisplay(this);
        form = new Form(null);
        form.setCommandListener(this);
        next = new Command("Next", Command.OK, 1);
        form.addCommand(next);
        back = new Command("Back", Command.BACK, 1);
        form.addCommand(back);
        Ticker t = new Ticker("My Photoalbum");
        form.setTicker(t);
        setImage("/" + slideNum + ".png");
    }
    
    protected void destroyApp(boolean unconditional) {
    }
 
    protected void pauseApp() {
    }
 
    protected void startApp() {
        display.setCurrent(form);
    }
 
    public void commandAction(Command c, Displayable d) {
        if (c == next && slideNum < maxSlideNum){
            slideNum++;
        }
        if (c == back && slideNum > 0){
            slideNum--;
        }
        form.delete(0);
        setImage("/" + slideNum + ".png");
    }
 
    private void setImage(String path) {
        try {
            image = Image.createImage(path);
        } catch (IOException ioe) {
            System.out.println(ioe.getMessage());
        }
        form.append(image);
    }
    
}