Bug 175181 NavigatorSaveablesServices NPEs on shutdown
The following exception was encountered on shutdown the applicaiton. It happend on Linux(SuSE Linux Enterprise 9, PatchLevel: 3). It's very similar to defect: 142785. !ENTRY org.eclipse.osgi 4 0 2006-05-19 11:21:38.993 !MESSAGE An unexpected runtime error has occurred. !STACK 0 java.lang.NullPointerException at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.computeSaveables(NavigatorSaveablesService.java:216) at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.recomputeSaveablesAndNotify(NavigatorSaveablesService.java:374) at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.handleBundleStopped(NavigatorSaveablesService.java:457) at org.eclipse.ui.internal.navigator.NavigatorSaveablesService.bundleChanged(NavigatorSaveablesService.java:100) at org.eclipse.ui.internal.navigator.NavigatorPlugin$1.bundleChanged(NavigatorPlugin.java:35) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:1206) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:189) at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:291) 11
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorSaveablesService.java
case SaveablesLifecycleEvent.POST_OPEN:
				recomputeSaveablesAndNotify(false, null);
				break;
			case SaveablesLifecycleEvent.POST_CLOSE:
				recomputeSaveablesAndNotify(false, null);
				break;
			case SaveablesLifecycleEvent.DIRTY_CHANGED:
				Saveable[] shownSaveables = getShownSaveables(saveables);
				if (shownSaveables.length > 0) {
					outsideListener
							.handleLifecycleEvent(new SaveablesLifecycleEvent(
									saveablesSource,
									SaveablesLifecycleEvent.DIRTY_CHANGED,
									shownSaveables, false));
				}
				break;
			}
		}
	}
	private Saveable[] currentSaveables;
	private ISaveablesLifecycleListener outsideListener;
	private ISaveablesLifecycleListener saveablesLifecycleListener = new LifecycleListener();
	private ISaveablesSource saveablesSource;
	private StructuredViewer viewer;
	private SaveablesProvider[] saveablesProviders;
	private DisposeListener disposeListener = new DisposeListener() {
		public void widgetDisposed(DisposeEvent e) {
			synchronized (this) {
				if (saveablesProviders != null) {
					for (int i = 0; i < saveablesProviders.length; i++) {