Bug 178394 NPE in marker adapter buildAll markers
This shows up occasionally in the test suite logs. Probably happening during shutdown !STACK 0 java.lang.NullPointerException at org.eclipse.ui.views.markers.internal.MarkerAdapter.buildAllMarkers(MarkerAdapter.java:262) at org.eclipse.ui.views.markers.internal.MarkerView.updateForContentsRefresh(MarkerView.java:570) at org.eclipse.ui.views.markers.internal.MarkerView$MarkerProcessJob.run(MarkerView.java:151) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
.create(getViewSite().getWorkbenchWindow()));
		menu.appendToGroup(MENU_SHOW_IN_GROUP, showInMenu);
	}
	/**
	 * Refresh the marker counts
	 * 
	 * @param monitor
	 */
	void refreshMarkerCounts(IProgressMonitor monitor) {
		monitor.subTask(MarkerMessages.MarkerView_refreshing_counts);
		try {
			totalMarkers = MarkerList.compute(getMarkerTypes()).length;
		} catch (CoreException e) {
			Util.log(e);
			return;
		}
	}
	/**
	 * Returns the marker limit or -1 if unlimited
	 * 
	 * @return int
	 */
	int getMarkerLimit() {
		
		if (IDEWorkbenchPlugin.getDefault().getPreferenceStore().getBoolean(
				getMarkerEnablementPreferenceName())) {
			return IDEWorkbenchPlugin.getDefault().getPreferenceStore().getInt(
					getMarkerLimitPreferenceName());
		}
		return -1;