Game Heap Space - Out Of Memory Error

Question

Hi there,
Ive completed my pacman/space invaders hybrid game- which has a main game and two playable videos. Its all fine, but when I go to run it it says;
Exception in thread "Image Fetcher 1" java.lang.OutOfMemoryError: Java heap space
Exception in thread "Image Fetcher 2" java.lang.OutOfMemoryError: Java heap space
Ive come to realise that this error is from the amount of data used to make up the game/video with there being around 150 images for the videos. Ive temporarily corrected this problem by making each video 26 images long (2.6secs each) but to get the full experience the user need to see around 75images.
After a bit of research I found that i needed to increase my 'heap space'- and I attempted to do this thru cmd, attemptin to increase it to 512mb.
The problem is the game doesnt have a main, or at least not one that I nor the computer can locate. And to get the heap space to increase it needs a main?!
I honestly dont know what I am doing here- but could anyone tell me how I can increase my heap space or locate a main? Im really confused!
Any help appreciated
Senor-Cojones

Answer 1

Thanks for your help ArikArikArik, the problem with that method is.... 1. im not too sure how to use it :P and 2. In my original code the images are added to the tracker which waits from all the images to be loaded before it continues.
import javax.swing.*;
import java.applet.AudioClip;
import java.awt.*;
public class ICGGSApplet extends JApplet implements Runnable {
    // constants describing possible game states
    private static final int SHOW_MOVIE = 1;
    private static final int PLAY_GAME = 2;
    private static final int STOPPED = 3;
    private static final int SHOW_MOVIE2 = 4;
    private int gameState;   // the current game state
    private String name;     // the player's name
    private long frameStartTime;  // the time the last frame was displayed
    private Thread gameLoop;   // thread to run the game and movie
    // associated objects
    private Movie theMovie;      // Panel to display the movie
    private MonsterGame theGame;  // Panel to display the game
    private ICGGSPanel currentPanel;  // the currently displayed Panel (can be null)
    private Movie2 theMovie2; // Panel to display the second movie
     * Called when applet is first loaded
     *  sets up the attributes, load media, creates game objects
     *  and sets up interface
    public void init() {
        // neither the movie nor the game is currently playing
        currentPanel = null;
        gameState = STOPPED;
        name = "";
        // load up the audio files
        AudioClip theAudio = getAudioClip(getDocumentBase(), "../media/shock.wav");
        AudioClip theAudio2 = getAudioClip(getDocumentBase(), "../media/applause.wav");
        AudioClip theAudio3 = getAudioClip(getDocumentBase(), "../media/bomb.wav");
        AudioClip theAudio4 = getAudioClip(getDocumentBase(), "../media/cashtill.wav");
        AudioClip theAudio5 = getAudioClip(getDocumentBase(), "../media/pacman.wav");
        // create a media tracker to monitor the loading of the images
        MediaTracker theTracker = new MediaTracker(this);
        // load up the images for the movie
        Image movieImages[] = new Image[25];
        for (int i=0; i<movieImages.length; i++) {
            movieImages[i] = getImage(getDocumentBase(), "../media/movie" + (i+1) + ".jpg");
            theTracker.addImage(movieImages, i);
// load up the images for the second movie
Image movieImages2[] = new Image[25];
for (int i=0; i<movieImages2.length; i++) {
movieImages2[i] = getImage(getDocumentBase(), "../media/firingGun" + (i+1) + ".jpg");
theTracker.addImage(movieImages2[i], i);
// load up the images for the munchies
Image image1 = getImage(getDocumentBase(), "../media/munchie1.gif");
theTracker.addImage(image1, 4);
Image image2 = getImage(getDocumentBase(), "../media/munchie2.gif");
theTracker.addImage(image2, 5);
Image image3 = getImage(getDocumentBase(), "../media/munchie3.gif");
theTracker.addImage(image3, 6);
// wait for all the images to be loaded
try {
theTracker.waitForAll();
} catch (InterruptedException e) {
// create the movie object
theMovie = new Movie(movieImages);
theMovie2 = new Movie2(movieImages2);
// create the game object
theGame = new MonsterGame(image1, image2, image3, theAudio, theAudio2, theAudio3, theAudio4, theAudio5);
this.getContentPane().setBackground(Color.WHITE);
// Initialise key-input functionality
addKeyListener(new Input()); // add keyboard listener to applet
* Called when the Applet is ready to start executing
public void start() {
// ask the user for their name
name = JOptionPane.showInputDialog(this, "What is your name?");
// start running the movie/game animation
if (gameLoop == null) {
gameLoop = new Thread(this);
gameLoop.start();
* Called when the gameLoop thread is started
* loops continuously until user quits
public void run() {
int input = Input.NONE;
// game loop
while (input != Input.QUIT) {
// what is the current time?
frameStartTime = System.currentTimeMillis();
input = checkInput();
if (gameState != STOPPED) // only necessary if the movie or game is showing
currentPanel.processInput(input);
currentPanel.update();
currentPanel.repaint();
} else
showStatus("Press 'G' to start game, 'M' to show movie or 'F' to show the second movie");
frameDelay(100);
* called when the Applet is stopped
* stops the gameLoop thread
public void stop() {
if (gameLoop != null) {
gameLoop.interrupt(); // stops the animation thread
gameLoop = null;
* called from the gameLoop
* checks for the last key stroke input by the user
* @return int - Input class constant representing user input
public int checkInput() {
int input = Input.checkUserInput();
switch (input) // how the input is handled depends on the current game state
case Input.GAME:
// the user wants to play the game
if (gameState == STOPPED) // not currently playing a game or movie
// display the panel showing the game
currentPanel = theGame;
this.getContentPane().add(BorderLayout.CENTER, currentPanel);
this.validate();
// set up a new game
theGame.resetGame();
gameState = PLAY_GAME;
showStatus("Use arrow keys to move Monster, S key to stop");
} // otherwise ignore
break;
case Input.MOVIE:
// the user wants to see the movie
if (gameState == STOPPED) // not currently playing a game or movie
// display the panel showing the movie
currentPanel = theMovie;
this.getContentPane().add(BorderLayout.CENTER, currentPanel);
this.validate();
gameState = SHOW_MOVIE;
showStatus("Press S key to stop");
} // otherwise ignore
break;
case Input.MOVIE2:
// the user wants to see the second movie
if (gameState == STOPPED) // not currently playing a game or movie
// display the panel showing the movie
currentPanel = theMovie2;
this.getContentPane().add(BorderLayout.CENTER, currentPanel);
this.validate();
gameState = SHOW_MOVIE2;
showStatus("Press S key to stop");
} // otherwise ignore
break;
case Input.STOP:
// the user wants to stop the movie or game being shown
if (gameState == SHOW_MOVIE ) {
this.getContentPane().remove(currentPanel);
currentPanel = null;
JOptionPane.showMessageDialog(this,
"OK " + name + " I've stopped the movie");
} else if (gameState == PLAY_GAME) {
this.getContentPane().remove(currentPanel);
currentPanel = null;
JOptionPane.showMessageDialog(this,
"OK " + name + " I've stopped the game");
} else if (gameState == SHOW_MOVIE2 ) {
this.getContentPane().remove(currentPanel);
currentPanel = null;
JOptionPane.showMessageDialog(this,
"OK " + name + " I've stopped the movie"); }
gameState = STOPPED;
showStatus("Press 'G' to start game, 'M' to show movie");
break;
Input.reset(); // reset the input module
requestFocus();
this.repaint(); // redisplay the applet
return input; // return for further processing (eg to control movement of Monster)
* called from the gameLoop
* pauses between frames
* @param millis long - minimum frame time
public void frameDelay(long millis) {
long currentTime = System.currentTimeMillis(); // what time is it now?
long elapsedTime = frameStartTime - currentTime; // how long has it been since the start of the frame?
if (elapsedTime < millis) // is it time to showing the new frame yet?
try {
Thread.sleep(millis - elapsedTime); // pause for the remaining time
} catch(Exception e) {
Thats the whole code for the applet- preloadin the image (and also everything that doesnt relate to this problem lol). Ive asked around and the answer I was given I wasnt satisfied with- make the files smaller/delete some- the files are already at their smallest about 10kb each. And also apparently (I didnt know this...) but due to security restirictions I wouldnt be able to increase the heap size anyway (this is to run the applet on my own... and others computers).
So Im really too sure what to do at the minute. Anymore help would be appreciated though.
Thank you!
Senor-Cojones