Problems with loading Ressources out of a jar file

Hi Folks !
My current job for my university is to make some Java programms runnable as a WebStart Application. With most of the programms this was no problem. But i have a problem with one.
The gui of the program loads some icons out of the jar file with the following code:
try {
      openIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/open.png"));
      generateIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/generate.png"));
      editIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/edit.png"));
      propertiesIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/properties.png"));
      alphabetIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/alphabet.png"));
      cutIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/cut.png"));
      saveIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/save.png"));
      helpIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/help.png"));
      aboutIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/about.png"));
      exitIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/exit.png"));
      startIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/start.png"));
      stopIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/stop.png"));
      preferencesIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/preferences.png"));
      okIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/ok.png"));
      noIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/no.png"));
      clearIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/clear.png"));
      plusIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/plus.png"));
      minusIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/minus.png"));
      overlapIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/overlap.png"));
      canselIcon = new ImageIcon(ClassLoader.getSystemResource("guissstester/icons/cansel.png"));
    catch(NullPointerException e){
      JOptionPane.showMessageDialog(frame,
          "There was an error while loading icon files. Probably the needed icon files are not present.",
          "Missing icon files!", JOptionPane.ERROR_MESSAGE);
    }When i start the program as a normal jar with
java -jar ssstester.jarAll Icons are loaded normaly. But when i start it as a WebStart Application i get the catch (NullPointerException e) error message "There was an error while loading icon files. Probably the needed icon files are not present. Missing icon files!".
So where is the problem ? Don't know if it is important, but the Application gets full rights in the jnlp File
<security>
    <all-permissions/>
</security>Greetings and sorry for my horrible english,
Christoph

Thread.currentThread().getContextClassLoader().getResource(imageFilePath); to load the images than the one you are using right now
Edited by: Mayya on Jun 17, 2008 4:34 AM

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