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
}
                            }
						}
					} else {
						while (!foundRoot && element != null) {
							if (roots.contains(element)) {
								
								
								result.add(saveable);
								foundRoot = true;
							} else {
								element = contentProvider.getParent(element);
							}
						}
					}
				}
			}
		}
		return (Saveable[]) result.toArray(new Saveable[result.size()]);
	}
	public synchronized Saveable[] getActiveSaveables() {
		ITreeContentProvider contentProvider = (ITreeContentProvider) viewer
				.getContentProvider();
		IStructuredSelection selection = (IStructuredSelection) viewer
				.getSelection();
		if (selection instanceof ITreeSelection) {
			return getActiveSaveablesFromTreeSelection((ITreeSelection) selection);
		} else if (contentProvider instanceof ITreePathContentProvider) {
			return getActiveSaveablesFromTreePathProvider(selection, (ITreePathContentProvider) contentProvider);
		} else {