@Override
 protected void doPost(HttpServletRequest req, HttpServletResponse resp)
     throws ServletException, IOException {
   resp.setCharacterEncoding("UTF-8");
   Author author = new Author(req.getParameter("author_name"));
   AuthorManager authorManager = Managers.getAuthorManager();
   try {
     authorManager.saveNewAuthor(author);
   } catch (DuplicateException e) {
     status = notOk;
   }
   resp.sendRedirect(status);
 }