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/MarkerView.java
if (openAction != null) {
			openAction.dispose();
			copyAction.dispose();
			selectAllAction.dispose();
			deleteAction.dispose();
			revealAction.dispose();
			propertiesAction.dispose();
			clipboard.dispose();
		}
		if (showInMenu != null) {
			showInMenu.dispose();
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.internal.tableview.TableView#createActions()
	 */
	protected void createActions() {
		revealAction = new ActionRevealMarker(this, getViewer());
		openAction = new ActionOpenMarker(this, getViewer());
		copyAction = new ActionCopyMarker(this, getViewer());
		copyAction.setClipboard(clipboard);
		copyAction.setProperties(getSortingFields());
		pasteAction = new ActionPasteMarker(this, getViewer());
		pasteAction.setClipboard(clipboard);
		pasteAction.setPastableTypes(getMarkerTypes());
		deleteAction = new ActionRemoveMarker(this, getViewer());
		selectAllAction = new ActionSelectAll(this);