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
return new IShowInSource() {
				public ShowInContext getShowInContext() {
					ISelection selection = getViewer().getSelection();
					if (!(selection instanceof IStructuredSelection))
						return null;
					IStructuredSelection structured = (IStructuredSelection) selection;
					Iterator markerIterator = structured.iterator();
					List newSelection = new ArrayList();
					while (markerIterator.hasNext()) {
						ConcreteMarker element = (ConcreteMarker) markerIterator
								.next();
						newSelection.add(element.getResource());
					}
					return new ShowInContext(getViewer().getInput(),
							new StructuredSelection(newSelection));
				}
			};
		}
		return super.getAdapter(adaptable);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#viewerSelectionChanged(org.eclipse.jface.viewers.IStructuredSelection)
	 */
	protected void viewerSelectionChanged(IStructuredSelection selection) {
		updateStatusMessage(selection);
	}
	/*
	 * (non-Javadoc)