Bug 66439 Copy of Class causes update error in package explorer
RC1 RHEL JDK 1.4.2_02 Motif I have experienced a problem where I copy a java file and paste it into the same package, accepting the default new name (CopyOfClass.java) However, the package view does not list the class, but it does list 2 instances of the last class in the package (note that I am using the hierarchical view). The file is aparently inserted in the correct location, but the name->class mapping is incorrect: clicking on classes that appear before where the new class should be inserted brings up the correct class, but clicking on classes that appear after the inserted class brings up a different class than the one selected. Restarting eclipse causes the problem to go away
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
*           non-negative level, or <code>ALL_LEVELS</code> to expand all
	 *           levels of the tree
	 */
	public void expandToLevel(int level) {
		expandToLevel(getRoot(), level);
	}
	/**
	 * Expands all ancestors of the given element so that the given element
	 * becomes visible in this viewer's tree control, and then expands the
	 * subtree rooted at the given element to the given level.
	 * 
	 * @param element
	 *           the element
	 * @param level
	 *           non-negative level, or <code>ALL_LEVELS</code> to expand all
	 *           levels of the tree
	 */
	public void expandToLevel(Object element, int level) {
		Widget w = internalExpand(element, true);
		if (w != null)
			internalExpandToLevel(w, level);
	}
	/**
	 * Fires a tree collapsed event. Only listeners registered at the time this
	 * method is called are notified.
	 * 
	 * @param event
	 *           the tree expansion event
	 * @see ITreeViewerListener#treeCollapsed
	 */