Bug 133059 [Markers] CCE when switching Problems view grouping
I20060322-1335 I switched Problems view grouping from Java Problem Type to Type while a background build was going on. !ENTRY org.eclipse.core.jobs 4 2 2006-03-23 20:36:24.465 !MESSAGE An internal error occurred during: "Process resource updates". !STACK 0 java.lang.ClassCastException: org.eclipse.ui.views.markers.internal.MarkerGroupingEntry at org.eclipse.ui.views.markers.internal.FieldCategory.getValue(FieldCategory.java:66) at org.eclipse.ui.views.markers.internal.FieldCategory.compare(FieldCategory.java:88) at org.eclipse.ui.views.markers.internal.CategorySorter.compare(CategorySorter.java:59) at org.eclipse.ui.views.markers.internal.CategorySorter.compare(CategorySorter.java:73) at org.eclipse.jface.viewers.ViewerComparator$1.compare(ViewerComparator.java:184) at java.util.Arrays.mergeSort(Arrays.java:1284) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1295) at java.util.Arrays.mergeSort(Arrays.java:1295) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.mergeSort(Arrays.java:1296) at java.util.Arrays.sort(Arrays.java:1223) at org.eclipse.jface.viewers.ViewerComparator.sort(ViewerComparator.java:182) at org.eclipse.ui.views.markers.internal.MarkerAdapter.buildAllMarkers(MarkerAdapter.java:240) at org.eclipse.ui.views.markers.internal.MarkerView.updateForContentsRefresh(MarkerView.java:412) at org.eclipse.ui.views.markers.internal.MarkerView$MarkerProcessJob.run(MarkerView.java:146) 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
* (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#getAllFields()
	 */
	protected IField[] getAllFields() {
		
		
		return new IField[] { message, resource, folder, lineNumber,
				creationTime };
	}
	void updateTitle() {
		MarkerList visibleMarkers = getVisibleMarkers();
		String breakdown = formatSummaryBreakDown(visibleMarkers);
		int filteredCount = visibleMarkers.getItemCount();
		int totalCount = getTotalMarkers();
		if (filteredCount != totalCount) {
			breakdown = NLS.bind(MarkerMessages.problem_filter_matchedMessage,
					new Object[] { breakdown, new Integer(filteredCount),
							new Integer(totalCount) });
		}
		setContentDescription(breakdown);
	}
	private String formatSummaryBreakDown(MarkerList visibleMarkers) {
		return MessageFormat.format(
				MarkerMessages.problem_statusSummaryBreakdown, new Object[] {
						new Integer(visibleMarkers.getErrors()),
						new Integer(visibleMarkers.getWarnings()),
						new Integer(visibleMarkers.getInfos()) });
	}
	private String getSummary(MarkerList markers, String messageKey) {