Painting Problem

I'm having a problem painting a background on a JPanel. I have the following written:

Code:

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public class ImageBackgroundPainter implements IBackgroundPainter {
  private Image _image;
  public ImageBackgroundPainter(Image img) {
    _image = img;
  }
  public void init(JComponent comp) {
    comp.setSize(_image.getWidth(comp), _image.getHeight(comp));
  }
  public void paint(JComponent comp, Graphics g) {
    System.out.println("Painting..."+_image);
    g.drawImage(_image, 0, 0, comp);
  }
}

public class HotSpotPanel extends JPanel {
  private IBackgroundPainter _background;

  public HotSpotPanel(IBackgroundPainter background) {
    super(true);
    _background = background;
    initComponents();
  }

  public void paint(Graphics g) {
    super.paint(g);
    _background.paint(this,g);
    paintComponents(g);
  }

  protected void initComponents() {

  }
}

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I'm working in an Applet and I'm calling getImage() to get the image. I get the message saying "Painting..." but the JPanel is still all gray. Does anyone have any ideas why this wouldn't work? Thanks a lot.

I tracked my problem back to getting the image. Apparently it wasn't loaded properly. Anyone know what is wrong with this code:

Code:

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public class WebApplet extends JApplet {
  private MediaTracker _tracker;

  private IResourceAdapter buildResourceAdapter() {
      return new IResourceAdapter() {
        public void changeGUI(JComponent display) {
          Container pane = getContentPane();
          pane.removeAll();
          pane.add(display);
          pane.validate();
        }

        public Image loadImage(String resourceName) {
          try {
            System.out.println("Trying to get: "+resourceName);
            Image img = getImage(new URL("file://"+resourceName));
            _tracker.addImage(img,0);
            _tracker.waitForAll();
            System.out.println("Checkall returned "+ _tracker.checkAll());

            return img;
          } catch (MalformedURLException e) {
            e.printStackTrace();
          } catch (InterruptedException e) {
            e.printStackTrace();
          }
          return null;
        }
      };
    }

    public void init() {
      _tracker = new MediaTracker(this);
      new SimController(getParameter("classpath"), getParameter("startroom"), this.buildResourceAdapter());
    }
}

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I am using "file://" since the image is on my hardrive, for the time being. Any help would be greatly appreciated.