Bug 46639 JavadocWizard disposing Window.getDefaultImage()
Build I20031111 JavadocWizard.performFinish() OptionalMessageDialog.open(..., Window.getDefaultImage(), ...); I believe passing Window.getDefaultImage() to the dialog is bad. When the dialog closes, it disposes of the default window image.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocWizard.java
if (events[i].getKind() == DebugEvent.TERMINATE) {
					try {
						if (!fWriteCustom) {
							refresh(fDestination); 
							spawnInBrowser(fDisplay);
						}
					} finally {
						DebugPlugin.getDefault().removeDebugEventListener(this);
					}
					return;
				}
			}
		}
	}
	public IWizardPage getNextPage(IWizardPage page) {
		if (page instanceof JavadocTreeWizardPage) {
			if (!fJTWPage.getCustom()) {
				return fJSpWPage;
			}
			return fJSWPage;
		} else if (page instanceof JavadocSpecificsWizardPage) {
			return null;
		} else if (page instanceof JavadocStandardWizardPage)
			return fJSWPage;
		else
			return null;
	}
	public IWizardPage getPreviousPage(IWizardPage page) {
		if (page instanceof JavadocSpecificsWizardPage) {
			if (!fJTWPage.getCustom()) {