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
/**
	 * Find the group value. If it cannot be found in an attribute mapping then
	 * return null;
	 * 
	 * @param concreteMarker
	 * @return String or <code>null</code>
	 */
	private MarkerGroupingEntry findGroupValue(ConcreteMarker concreteMarker) {
		String type = concreteMarker.getType();
		IMarker marker = concreteMarker.getMarker();
		return findGroupValue(type, marker);
	}
	/**
	 * Find the group for the marker of the specified marker type.
	 * 
	 * @param type
	 * @param marker
	 * @return MarkerGroupingEntry
	 */
	public MarkerGroupingEntry findGroupValue(String type, IMarker marker) {
		if (typesToMappings.containsKey(type)) {
			EntryMapping defaultMapping = null;
			Iterator mappings = ((Collection) typesToMappings.get(type))
					.iterator();
			while (mappings.hasNext()) {
				EntryMapping mapping = (EntryMapping) mappings.next();
				if (mapping.hasAttributes()) {
					MarkerGroupingEntry entry = mapping.testAttribute(marker);
					if (entry != null) {
						return entry;