Bug 123319 [Markers] ClassCastException during marker update
3.2 20050116 It is possible to get the following ClassCastException during marker updates. This is because the refreshes are not IMarkers and should not be processed. !ENTRY org.eclipse.core.jobs 4 2 2006-01-10 16:00:48.468 !MESSAGE An internal error occurred during: "Process resource updates". !STACK 0 java.lang.ClassCastException at org.eclipse.ui.views.markers.internal.MarkerView$MarkerProcessJob.getExistingMarkers(MarkerView.java:206) at org.eclipse.ui.views.markers.internal.MarkerView$MarkerProcessJob.run(MarkerView.java:169) 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
}
		}
		/**
		 * Add all of the contents of changed.
		 * 
		 * @param addedMarkers
		 *            Collection of ConcreteMarker
		 */
		public void add(Collection addedMarkers) {
			synchronized (updateKey) {
				adds.addAll(addedMarkers);
				refreshes.removeAll(addedMarkers);
			}
		}
		/**
		 * Remove all of the contents of changed.
		 * 
		 * @param removedMarkers
		 *            Collection of ConcreteMarker
		 */
		public void remove(Collection removedMarkers) {
			synchronized (updateKey) {
				removes.addAll(removedMarkers);
				refreshes.removeAll(removedMarkers);
				adds.removeAll(removedMarkers);
			}
		}
	}
	MarkerProcessJob markerProcessJob = new MarkerProcessJob();
	private class UpdateJob extends WorkbenchJob {