Bug 29170 False error feedback from "Show in package explorer"
Build 20030107 1. Open a .java file in the Java editor. 2. Click "Collapse All" in the packages view to collapse the tree. 3. Right click on the top-level type in the Outline view and choose "Show in Package Explorer" 4. The packages view correctly expands to the selected type, but an error dialog pops up: Title: "Show in Package Explorer" Message: "Couldn't reveal the selected element in Package Explorer. May be the element is filtered out." This happens any time the tree needs to be expanded to reveal a type.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
try {
				String posStr= memento.getString(TAG_VERTICAL_POSITION);
				int position;
				position= new Integer(posStr).intValue();
				bar.setSelection(position);
			} catch (NumberFormatException e) {
				
			}
		}
		bar= tree.getHorizontalBar();
		if (bar != null) {
			try {
				String posStr= memento.getString(TAG_HORIZONTAL_POSITION);
				int position;
				position= new Integer(posStr).intValue();
				bar.setSelection(position);
			} catch (NumberFormatException e) {
				
			}
		}
	}
	protected void restoreSelectionState(IMemento memento) {
		IMemento childMem;
		childMem= memento.getChild(TAG_SELECTION);
		if (childMem != null) {
			ArrayList list= new ArrayList();
			IMemento[] elementMem= childMem.getChildren(TAG_ELEMENT);
			for (int i= 0; i < elementMem.length; i++) {
				Object element= JavaCore.create(elementMem[i].getString(TAG_PATH));
				if (element != null)