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POSpring multiple @ModelAttribute methods in the same @Controller
 

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  1. POSpring multiple @ModelAttribute methods in the same @Controller
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    <p>I have a page with two different forms (with two different submits) on Spring MVC 3, and I have a problem with @ModelAttribute methods. When I have two on the same controller, they are not always executed making the model to be NULL.</p> <p>The code:</p> <pre><code>@Controller @RequestMapping(value = "/session/admin/permission/{userId}") public class PermissionController { @Autowired private UserManager userManager; @ModelAttribute("passwordValidation") private PasswordValidation getPasswordModel(){ return new PasswordValidation(); } @ModelAttribute("user") private User getUserModel(@PathVariable("userId") String userId){ //This is not executed return userManager.getUser(userId); } @ModelAttribute("permissionsAvailable") private PermissionsAvailable getPermissionsModel(@ModelAttribute("user") User user) { return new PermissionsAvailable(); } @RequestMapping(method = RequestMethod.GET) public String adminPermission(){ return "/security/permission"; } @RequestMapping(method = RequestMethod.POST, params="changeRoles") public String modifyPermission(@ModelAttribute("permissionsAvailable") PermissionsAvailable permissions, HttpServletRequest request, @ModelAttribute("user") User user, final RedirectAttributes redirectAttributes){ //Modify something } @RequestMapping(method = RequestMethod.POST, params="changePassword") public String modifyPassword( @ModelAttribute("passwordValidation") PasswordValidation passwordValidation, @ModelAttribute("user") User user, HttpServletRequest request, BindingResult bindingResult, final RedirectAttributes redirectAttributes){ return "newpage"; } } </code></pre> <p>Don't know why, sometimes everything goes ok and every method is executed, but sometimes they are not executed.</p> <p><strong>UPDATE:</strong> I have two different controllers with the same problem so it must be an error on Spring or something I'm doing wrong.</p> <p>Thanks.</p>
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