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  1. @RequestMapping(method = POST, value = "/reg")
  2.     public String registration(@ModelAttribute("userReg") @Valid User user, BindingResult bindingResult,
  3.                                HttpSession session) {
  4.         if(bindingResult.hasErrors()) return "redirect:/reg";
  5.         if (userDAO.findByLogin(user.getLogin()) == null) {
  6.             userDAO.persist(user);
  7.             session.setAttribute("login", user.getLogin());
  8.             return "welcomepage";
  9.         }
  10.         return "Registration";
  11.     }
  12.    
  13. org.apache.jasper.JasperException: An exception occurred processing JSP page /Registration.jsp at line 18
  14.  
  15.     15: <form:form action="/reg" method="post" modelAttribute="user">
  16.     16:         <table>
  17.     17:             <tr>
  18.     18:                 <td><form:label path="login">Login:</form:label></td>
  19.     19:                 <td> <form:input path="login"/> </td>
  20.     20:                 <td> <form:errors path="login"/></td>
  21.     21:             </tr>
  22.  
  23. java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'user' available as request attribute
  24.    
  25. ...<p>
  26.             <tr>
  27.                 <td> <form:label  path="password">Password:</form:label></td>
  28.                 <td> <form:input  path="password"/> </td>
  29.                 <td> <form:errors path="password"/></td>
  30.             </tr>
  31.         <p>
  32.     <input type="submit" value="Registration">
  33. </form:form>
  34.    
  35. @RequestMapping(method = GET, value = "/reg")
  36. public ModelAndView registration() {
  37.     return new ModelAndView("Registration","user",new User());
  38. }
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