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
while (compare == 0) {
					++mid;
					if (mid >= count) {
						break;
					}
					data = table.getItem(mid).getData();
					compare = sorter.compare(this, data, element);
				}
				return mid;
			}
			if (compare < 0)
				min = mid + 1;
			else
				max = mid - 1;
		}
		return min;
	}
	/**
	 * Initializes the table viewer implementation.
	 */
	private void initTableViewerImpl() {
		tableViewerImpl = new TableViewerImpl(this) {
			Rectangle getBounds(Item item, int columnNumber) {
				return ((TableItem) item).getBounds(columnNumber);
			}
			int getColumnCount() {
				return getTable().getColumnCount();
			}
			Item[] getSelection() {
				return getTable().getSelection();