Bug 72930 [Viewers] TableViewer.reveal() documentation
The documentation for TableViewer.reveal() does not say that it requires a tableItem and silently ignores all other objects.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewer.java
if (items[i].getData() == null) {
					updateItem(items[i], children[i]);
				}
			}
			
			for (int i = min; i < children.length; ++i) {
				updateItem(new TableItem(table, SWT.NONE, i), children[i]);
			}
		} else {
			Widget w = findItem(element);
			if (w != null) {
				updateItem(w, element);
			}
		}
	}
	/**
	 * Removes the given elements from this table viewer.
	 * 
	 * @param elements
	 *            the elements to remove
	 */
	private void internalRemove(final Object[] elements) {
		Object input = getInput();
		for (int i = 0; i < elements.length; ++i) {
			if (equals(elements[i], input)) {
				setInput(null);
				return;
			}
		}