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
}
	}
	/**
	 * @param event
	 */
	 static void bundleChanged(BundleEvent event) {
		synchronized(instances) {
			if (event.getType() == BundleEvent.STARTED) {
				
				for (Iterator it = instances.iterator(); it.hasNext();) {
					NavigatorSaveablesService instance = (NavigatorSaveablesService) it
							.next();
					instance.handleBundleStarted(event.getBundle()
							.getSymbolicName());
				}
			} else if (event.getType() == BundleEvent.STOPPED) {
				
				for (Iterator it = instances.iterator(); it.hasNext();) {
					NavigatorSaveablesService instance = (NavigatorSaveablesService) it
							.next();
					instance.handleBundleStopped(event.getBundle()
							.getSymbolicName());
				}
			}
		}
	}
	private class LifecycleListener implements ISaveablesLifecycleListener {
		public void handleLifecycleEvent(SaveablesLifecycleEvent event) {
			Saveable[] saveables = event.getSaveables();
			switch (event.getEventType()) {