Bug 214223 [Markers] 'Marker id not found' exceptions from GroupMarkerField#compare(..) in log
I20071218-0800 Log fills up with these during an incremental auto-build. IIRC, the Problems has not been made visible since the last restart. Warning Thu Jan 03 14:22:58 CET 2008 Marker id 4826685 not found. org.eclipse.core.internal.resources.ResourceException: Marker id 4826685 not found. at org.eclipse.core.internal.resources.Marker.checkInfo(Marker.java:56) at org.eclipse.core.internal.resources.Marker.getType(Marker.java:194) at org.eclipse.ui.views.markers.internal.MarkerGroup$GroupMarkerField.compare(MarkerGroup.java:306) at org.eclipse.ui.internal.provisional.views.markers.MarkerComparator.compare(MarkerComparator.java:88) at java.util.Arrays.mergeSort(Arrays.java:1293) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.mergeSort(Arrays.java:1282) at java.util.Arrays.sort(Arrays.java:1210) at org.eclipse.ui.internal.provisional.views.markers.CachedMarkerBuilder.sortAndMakeCategories(CachedMarkerBuilder.java:951) at org.eclipse.ui.internal.provisional.views.markers.CachedMarkerBuilder.buildAllMarkers(CachedMarkerBuilder.java:251) at org.eclipse.ui.internal.provisional.views.markers.CachedMarkerBuilder$1.run(CachedMarkerBuilder.java:368) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerGroup.java
* (non-Javadoc)
		 * 
		 * @see org.eclipse.ui.views.markers.internal.FieldMarkerGroup.EntryMapping#hasAttributes()
		 */
		public boolean hasAttributes() {
			return true;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.ui.views.markers.internal.FieldMarkerGroup.EntryMapping#testAttribute(org.eclipse.ui.views.markers.internal.ConcreteMarker)
		 */
		public MarkerGroupingEntry testAttribute(IMarker marker) {
			Object value;
			if (!marker.exists())
				return null;
			
			try {
				value = marker.getAttribute(attribute);
			} catch (CoreException e) {
				Util.log(e);
				return null;
			}
			if (value != null && attributeValue.equals(value.toString())) {
				return groupingEntry;
			}
			return null;
		}
	}
	class EntryMapping {