* @throws ServletException
*/
private void handleViewPageHistory(HttpServletRequest request,
HttpServletResponse response, String title, Connection connection,
WikiPageBean page) throws ServletException, IOException {
PageHistoryResult result = getPageHistory(connection, title, namespace);
page.addStats(result.stats);
if (result.connect_failed) {
setParam_error(request, "ERROR: DB connection failed");
showEmptyPage(request, response, page);
return;