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
updateJob.removeJobChangeListener(listener);
	}
	/**
	 * Create a listener for working set changes.
	 * 
	 * @return IPropertyChangeListener
	 */
	private IPropertyChangeListener getWorkingSetListener() {
		workingSetListener = new IPropertyChangeListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
			 */
			public void propertyChange(PropertyChangeEvent event) {
				clearEnabledFilters();
				refreshViewer();
			}
		};
		return workingSetListener;
	}
	/**
	 * Schedule an update of the markers
	 */
	void scheduleMarkerUpdate() {
		updateJob.refreshAll();
		getProgressService().schedule(markerProcessJob, 100);
	}
}