Bug 331335 [Wizards] Bad implementation of IWizard's dispose() method can prevent the dialog from closing
If there is bad client code in an IWizard's dispose() method, the dialog get into a state where it cannot be closed. ------------ Run this code and try to close the wizard dialog, you will not be able to. Display display = new Display(); Wizard wizard = new Wizard() { public boolean performFinish() { return true; } public void dispose() { throw new RuntimeException(); } }; WizardDialog dialog = new WizardDialog(null, wizard); dialog.open(); display.dispose(); ------------ java.lang.RuntimeException at Main$5.dispose(Main.java:142) at org.eclipse.jface.wizard.WizardDialog.hardClose(WizardDialog.java:859) at org.eclipse.jface.wizard.WizardDialog.close(WizardDialog.java:484) at org.eclipse.jface.window.Window.handleShellCloseEvent(Window.java:741) at org.eclipse.jface.window.Window$3.shellClosed(Window.java:687) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:98)
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
}
		
		IWizardPage oldPage = currentPage;
		currentPage = page;
		currentPage.setVisible(true);
		if (oldPage != null) {
			oldPage.setVisible(false);
		}
		
		update();
	}
	/**
	 * Shows the starting page of the wizard.
	 */
	private void showStartingPage() {
		currentPage = wizard.getStartingPage();
		if (currentPage == null) {
			
			return;
		}
		
		if (currentPage.getControl() == null) {
			currentPage.createControl(pageContainer);
			
			
			Assert.isNotNull(currentPage.getControl());
			
			
		}