Bug 124138 NPE in FieldCategory
20060116 Not sure how I got this but I have no categories enabled java.lang.NullPointerException at org.eclipse.ui.views.markers.internal.FieldCategory.compare(FieldCategory.java:87) at org.eclipse.ui.views.markers.internal.TableSorter.compare(TableSorter.java:223) at org.eclipse.ui.views.markers.internal.TableSorter.compare(TableSorter.java:225) at org.eclipse.ui.views.markers.internal.CategorySorter.compare(CategorySorter.java:63) at org.eclipse.ui.views.markers.internal.CategorySorter.compare(CategorySorter.java:96) at org.eclipse.ui.views.markers.internal.SortUtil.partitionHelper(SortUtil.java:114) at org.eclipse.ui.views.markers.internal.SortUtil.getFirst(SortUtil.java:74) at org.eclipse.ui.views.markers.internal.SortUtil.getFirst(SortUtil.java:43) at org.eclipse.ui.views.markers.internal.MarkerAdapter.buildAllMarkers(MarkerAdapter.java:215) at org.eclipse.ui.views.markers.internal.MarkerView.updateForContentsRefresh(MarkerView.java:515) at org.eclipse.ui.views.markers.internal.MarkerView$MarkerProcessJob.run(MarkerView.java:172) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ProblemView.java
*/
		public void run() {
			String description = Util.EMPTY_STRING;
			if (groupingField != null)
				description = groupingField.getDescription();
			IDEWorkbenchPlugin.getDefault().getPluginPreferences().setValue(
					IDEInternalPreferences.PROBLEMS_GROUPING, description);
			problemView.getMarkerAdapter().getCurrentMarkers().clearGroups();
			problemView.getMarkerAdapter().getCategorySorter()
					.setCategoryField(groupingField);
			problemView.refreshViewer();
			getMarkerAdapter().getCategorySorter().saveState(getDialogSettings());
		}
	}
	/**
	 * Return a new instance of the receiver.
	 */
	public ProblemView() {
		super();
		creationTime.setShowing(false);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.MarkerView#dispose()
	 */
	public void dispose() {
		if (resolveMarkerAction != null)
			resolveMarkerAction.dispose();
		PlatformUI.getWorkbench().getActivitySupport().getActivityManager()