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/MarkerSupportRegistry.java
* Set up the fields and filters
	 */
	private void postProcessContentGenerators() {
		Iterator generatorIterator = generators.values().iterator();
		while (generatorIterator.hasNext()) {
			MarkerContentGenerator generator = (MarkerContentGenerator) generatorIterator
					.next();
			generator.initializeFromConfigurationElement(this);
		}
	}
	/**
	 * Process the grouping entries into thier required grouping entries.
	 * 
	 * @param groupingEntries
	 */
	private void processGroupingEntries(Map groupingEntries) {
		Iterator entriesIterator = groupingEntries.keySet().iterator();
		while (entriesIterator.hasNext()) {
			String nextGroupId = (String) entriesIterator.next();
			Iterator nextEntriesIterator = ((Collection) groupingEntries
					.get(nextGroupId)).iterator();
			if (markerGroups.containsKey(nextGroupId)) {
				while (nextEntriesIterator.hasNext()) {
					MarkerGroupingEntry next = (MarkerGroupingEntry) nextEntriesIterator
							.next();
					markerGroupingEntries.put(next.getId(), next);
					next.setGroupingEntry((MarkerGroup) markerGroups
							.get(nextGroupId));
				}
			} else {