@Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { HttpSession session = req.getSession(); String exitParam = req.getParameter("exit"); String deleteParam = req.getParameter("delete"); String settingsParam = req.getParameter("settings"); if ("settings".equals(settingsParam)) { resp.sendRedirect("/profileSettings"); return; } if ("exit".equals(exitParam)) { // обнуляем куку Cookie[] cookies = req.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if (cookie.getName().equals("remember")) { cookie.setMaxAge(0); cookie.setValue(null); resp.addCookie(cookie); break; } } } session.setAttribute("user_a", null); resp.sendRedirect("/login"); } if ("delete".equals(deleteParam)) { // обнуляем куку Cookie[] cookies = req.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if (cookie.getName().equals("remember")) { cookie.setMaxAge(0); cookie.setValue(null); resp.addCookie(cookie); break; } } } try { UserRepository.deleteUser((User) session.getAttribute("user_a")); } catch (SQLException e) { req.setAttribute("message", "Some problems with server"); resp.sendRedirect("/profile"); e.printStackTrace(); } session.setAttribute("user_a", null); resp.sendRedirect("/welcome"); } }