response.setContentType("text/plain");
PrintWriter writer = response.getWriter();
try {
ServletContext context = getServlet().getServletContext();
DefinitionsFactory factory = TilesUtil.getDefinitionsFactory(request, context);
factory.setConfig(factory.getConfig(), context);
writer.println("OK");
} catch (ClassCastException e) {
writer.println("FAIL - " + e.toString());
getServlet().log("ReloadAction", e);
} catch (DefinitionsFactoryException e) {