X error, impossible de compiler

Salut, j'ai commencer a coder une applet, j'arrive a l'executer mais pas a la compiler, après execution la console me renvoie :
run:

Code:

1
2
3
4
5
6
7
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  10 (X_UnmapWindow)
  Resource id in failed request:  0x4e0000e
  Serial number of failed request:  414
  Current serial number in output stream:  419
Java Result: 1
BUILD SUCCESSFUL (total time: 2 seconds)

Et voici a quoi ressemble mon applet :

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.JApplet;
 
/**
 *
 * @author pj
 */
public class Applet extends JApplet {
    private Image img;
 
    /**
     * Initialization method that will be called after the applet is loaded
     * into the browser.
     */
    @Override
    public void init() {
            // TODO start asynchronous download of heavy resources
            this.setBackground(new Color(0x4d4864));
 
    }
    @Override
    public void paint(Graphics g) {
            img=getImage(getCodeBase(),"./GFXs/bulle.png");
            g.drawImage(img, 0, 0, this);
     }
 
 
 
 
    // TODO overwrite start(), stop() and destroy() methods
 
}

Merci de votre aide !