Bug 171262 [Dialogs] uncaught NPE in FilteredResourcesSelectionDialog
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/FilteredResourcesSelectionDialog.java
StatusManager.getManager().handle(
						new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH,
								IStatus.ERROR, "", e)); 
				
			}
		}
		addListFilter(workingSetFilter);
		applyFilter();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.dialogs.FilteredItemsSelectionDialog#fillViewMenu(org.eclipse.jface.action.IMenuManager)
	 */
	protected void fillViewMenu(IMenuManager menuManager) {
		super.fillViewMenu(menuManager);
		showDerivedResourcesAction = new ShowDerivedResourcesAction();
		menuManager.add(showDerivedResourcesAction);
		workingSetFilterActionGroup = new WorkingSetFilterActionGroup(
				getShell(), new IPropertyChangeListener() {
					public void propertyChange(PropertyChangeEvent event) {
						String property = event.getProperty();
						if (WorkingSetFilterActionGroup.CHANGE_WORKING_SET
								.equals(property)) {
							IWorkingSet workingSet = (IWorkingSet) event
									.getNewValue();
							if (workingSet != null
									&& !(workingSet.isAggregateWorkingSet() && workingSet
											.isEmpty())) {
								workingSetFilter.setWorkingSet(workingSet);