У меня есть проект, основанный на платформе Spring-model-view-controller (MVC). Версия платформы Spring-model-view-controller (MVC) - 3.2.8.RedirectAttributes in Spring MVC 3.2.8
У меня есть этот метод
@RequestMapping(value = { "/newdesign/manage/device/award",
"/newdesign/manage/device/award/"}, method = {RequestMethod.POST})
public String awardDeviceProduct(
@ModelAttribute("deviceForm") DeviceForm deviceForm,
HttpServletRequest request,
Model model,
final RedirectAttributes redirectAttributes) throws Exception {
checkUser (request, UserRole.MARKETING);
Device device = manageLicenseService.getDeviceById(deviceForm.getDevice().getId());
if (deviceForm.getDevice().getIos()==null) {
model.addAttribute ("errorMessage", "Licence Number cannot be null !");
redirectAttributes.addFlashAttribute("errorMessage", "Licence Number cannot be null !");
} else if (deviceForm.getSelectedItems()!=null &&
!deviceForm.getSelectedItems().isEmpty()) {
// check LICENCE DUPLICATED
manageLicenseService.applyStatusChange (device, deviceForm.getSelectedItems(), Status.AWARDED);
} else {
model.addAttribute ("errorMessage", "no Items selected !");
model.addAttribute ("productGroup", getNotExpiredProductGroups (request));
}
return "redirect:/newdesign/manage/device/" + deviceForm.getDevice().getId();
}
Но в JSP я не могу найти атрибут "ErrorMessage" !!!! когда (deviceForm.getDevice(). getIos() == null)