Bug 320989 NPE in CocoaUIHandler
This happened in my Tutorial-RCP when opening a second window and hitting CMD+Q. !ENTRY org.eclipse.e4.ui.workbench 4 0 2010-07-27 12:18:00.823 !MESSAGE Internal Error !STACK 0 java.lang.NullPointerException at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler.findAction(CocoaUIHandler.java:662) at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler.runAction(CocoaUIHandler.java:554) at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler.quitMenuItemSelected(CocoaUIHandler.java:725) at org.eclipse.e4.ui.workbench.renderers.swt.cocoa.CocoaUIHandler.actionProc(CocoaUIHandler.java:748) at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4582) at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4659) at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3274) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:713)
bundles/org.eclipse.e4.ui.workbench.renderers.swt.cocoa/src/org/eclipse/e4/ui/workbench/renderers/swt/cocoa/CocoaUIHandler.java
}
			lclContext.set(MItem.class.getName(), item);
			service.executeHandler(cmd);
			lclContext.remove(MItem.class.getName());
		} else {
			statusReporter
					.get()
					.report(new Status(
							IStatus.WARNING,
							FRAGMENT_ID,
							"Unhandled menu type: " + item.getClass() + ": " + item), 
					StatusReporter.LOG);
		}
	}
	private IEclipseContext getContext(MUIElement element) {
		if (element instanceof MContext) {
			return ((MContext) element).getContext();
		}
		return modelService.getContainingContext(element);
	}
	private void runCommand(String commandId) {
		MWindow window = app.getSelectedElement();
		if (window == null) {
			return;
		}
		if (handlerService != null) {
			ParameterizedCommand cmd = commandService.createCommand(commandId,
					Collections.emptyMap());
			if (cmd != null) {
				handlerService.executeHandler(cmd);