Bug 114542 [Markers] Possible to get empty path nodes in problems view hierarcahl mode
20051101 Warnings on the top level of a project ended up having an empty label. STEPS 1) Change filters to show selected elements and children 2) Go into hierarchal mode 3) Select org.eclipse.ui.tests
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
private Collection pendingMarkerUpdates = Collections
				.synchronizedSet(new HashSet());
		boolean refreshAll = false;
		UpdateJob() {
			super(MarkerMessages.MarkerView_queueing_updates);
		}
		/**
		 * Refresh the changed list.
		 * 
		 * @param changed
		 */
		void refresh(MarkerList changed) {
			if (refreshAll)
				return;
			pendingMarkerUpdates.addAll(changed.asList());
		}
		/**
		 * Refresh the whole view
		 */
		void refreshAll() {