Bug 302791 [CommonNavigator] Associated editor does not close when deleting resource (editorInput) through CommonNavigator
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/actions/CommonActionProviderDescriptor.java
.getUniqueIdentifier() + " in plugin " +  
								configurationElement.getDeclaringExtension().getNamespaceIdentifier());
			}
		} catch (CoreException e) {
			NavigatorPlugin.log(IStatus.ERROR, 0, e.getMessage(), e);
		}
	}
	/**
	 * 
	 * @return The instantiated CommonActionProvider for this descriptor as
	 *         declared in the ATT_CLASS attribute or
	 *         {@link SkeletonActionProvider} if a problem occurs while loading
	 *         the instance.
	 */
	public CommonActionProvider createActionProvider() {
		if (hasLoadingFailed) {
			return SkeletonActionProvider.INSTANCE;
		}
		CommonActionProvider provider = null;
		try {
			provider = (CommonActionProvider) configurationElement
					.createExecutableExtension(ATT_CLASS);
		} catch (CoreException exception) {
			NavigatorPlugin.log(exception.getStatus());
			hasLoadingFailed = true;
			provider = SkeletonActionProvider.INSTANCE;
		} catch (Exception e) {
			NavigatorPlugin.log(new Status(IStatus.ERROR,
					NavigatorPlugin.PLUGIN_ID, 0, e.getMessage(), e));
			hasLoadingFailed = true;