@Override
  protected void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    HttpSession session = request.getSession();
    User user = (User) session.getAttribute("user");
    Comment comment = new Comment();
    comment.setUserId(user.getUserId());
    comment.setNewsId(Integer.parseInt(request.getParameter("news")));
    comment.setText(request.getParameter("text"));
    MessagesBundle messagesBundle = new MessagesBundle();
    String errorMessage = messagesBundle.getMessages().get("addCommentFailed");

    try {
      commentService.addComment(comment);
      List<News> allNews = newsService.getAllNews(user.getUserId());
      List<List<Comment>> allComments = commentService.getAllBy(allNews);
      session.setAttribute("allComments", allComments);
      response.sendRedirect("/home.jsp");
    } catch (DAOException e) {
      LOGGER.error("Database connection problem", e);
      RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/home.jsp");
      request.setAttribute("errorMessage", errorMessage);
      dispatcher.include(request, response);
    }
  }
 @RequestMapping(value = "c_delete.do")
 public String deleteComment(int commentNo) {
   int articleNo = service.readComment(commentNo).getArticleNo();
   if (service.deleteComment(commentNo)) {
     return "redirect:read.do?articleNo=" + articleNo;
   } else {
     return "redirect:error.do";
   }
 }
 @RequestMapping(value = "c_rewrite.do")
 public String reWriteComment(int commentNo, String commentContent) {
   if (service.reWriteComment(commentNo, commentContent)) {
     int articleNo = service.readComment(commentNo).getArticleNo();
     String result = "redirect:read.do?articleNo=" + articleNo;
     return result;
   } else {
     return "redirect:error.do";
   }
 }
 @RequestMapping(value = "c_rewrite_form.do")
 public ModelAndView reWriteCommentForm(int commentNo) {
   Comment originalComment = service.readComment(commentNo);
   ModelAndView mv = new ModelAndView();
   mv.setViewName("c_rewrite_form");
   mv.addObject("originalComment", originalComment);
   return mv;
 }
  @RequestMapping(value = "c_write.do", method = RequestMethod.POST)
  public String CommentWrite(Comment comment) {
    System.out.println("코멘트.코멘트컨텐트 : " + comment.getCommentContent());
    if (service.writeComment(comment)) {

      String result = null;
      result = "redirect:read.do?articleNo=" + comment.getArticleNo();
      return result;
    } else {
      return "redirect:error.do";
    }
  }