Bug 125144 Clicking Show Project in Package Explorer results in exception
Clicking Show Project in Code model results in exception in DOS box === Steps to Reproduce: Create a Java project Open the Package Explorer Click the View menu Show - Projects. (This actually is a radio group menu item. It is by default selected, so clicking it again should have no effect) === Observed behaviour: Dos box: Unhandled event loop exception Reason: java.lang.NullPointerException See .log file (will be attached) === Expected behaviour: No exception === Reproducibility: yes
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
IMemento elementMem= expandedMem.createChild(TAG_ELEMENT);
				
				Object o= expandedElements[i];
				if (o instanceof IJavaElement)
					elementMem.putString(TAG_PATH, ((IJavaElement) expandedElements[i]).getHandleIdentifier());
			}
		}
	}
	private void restoreFilterAndSorter() {
		fViewer.addFilter(new OutputFolderFilter());
		setSorter();
		if (fMemento != null)	
			fActionSet.restoreFilterAndSorterState(fMemento);
	}
	private void restoreUIState(IMemento memento) {
		
		
		
		
		
		
	}
	/*
	private void restoreCurrentFrame(IMemento memento) {
		IMemento frameMemento = memento.getChild(TAG_CURRENT_FRAME);
		
		if (frameMemento != null) {
	        FrameAction action = fActionSet.getUpAction();
	        FrameList frameList= action.getFrameList();
			TreeFrame frame = new TreeFrame(fViewer);