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
refreshAll = true;
			pendingMarkerUpdates.clear();
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.ui.progress.UIJob#runInUIThread(org.eclipse.core.runtime.IProgressMonitor)
		 */
		public IStatus runInUIThread(IProgressMonitor monitor) {
			if (refreshAll) {
				getViewer().refresh(true);
				refreshAll = false;
				return Status.OK_STATUS;
			}
			if (!pendingMarkerUpdates.isEmpty()) {
				Object[] markers = pendingMarkerUpdates.toArray();
				for (int i = 0; i < markers.length; i++) {
					getViewer().refresh(markers[i], true);
				}
				pendingMarkerUpdates.clear();
			}
			pendingMarkerUpdates.clear();
			return Status.OK_STATUS;
		}
		
	}
	private UpdateJob updateJob = new UpdateJob();
	
	
	private int preBusyMarkers = 0;