Handle form submission in SpringBoot - spring

Question

Here is my controller:
#Controller
#RequestMapping("/accounts/*")
public class AccountController {
#Autowired
private AccountService accountService;
#GetMapping
public ModelAndView home() {
final ModelAndView modelAndView = new ModelAndView();
final List<Account> accountsForCurrentUser = this.accountService.getAccountsForCurrentUser();
modelAndView.addObject("accounts", accountsForCurrentUser);
modelAndView.setViewName("pages/accounts/index");
return modelAndView;
}
#GetMapping("create")
public ModelAndView create() {
final ModelAndView modelAndView = new ModelAndView();
modelAndView.addObject("account", new Account());
modelAndView.setViewName("pages/accounts/create");
return modelAndView;
}
#PostMapping("create")
public ModelAndView createSubmit(#Valid #ModelAttribute(name = "account") Account account, BindingResult bindingResult, ModelAndView modelAndView) {
if (bindingResult.hasErrors()) {
return modelAndView;
}
return new ModelAndView("redirect:/accounts");
}
}
What I'd like to do is redirecting user to /accounts/ when the form is validated but taking him back to /accounts/create/ with errors shown if errors has been reported.
But, on error, I have:
Error resolving template "accounts/create", template might not exist or might not be accessible by any of the configured Template Resolvers

Answer 1

You also need set model and view name in post/create method.
By the way, handling methods with ModelAndView is valid but I think it would be better to use the String approach. It's much better to read and a standart way. So your controller will look like:
#Controller
#RequestMapping("/accounts")
public class AccountController {
#Autowired
private AccountService accountService;
#GetMapping("")
public String home(Model Model) {
List<Account> accountsForCurrentUser = this.accountService.getAccountsForCurrentUser();
model.addAttribute("accounts", accountsForCurrentUser);
return "pages/accounts/index";
}
#GetMapping("/new")
public String newAccount(Model model) {
model.addAttribute("account", new Account());
return "pages/accounts/create";
}
#PostMapping("/new")
public String createAccount(#Valid #ModelAttribute Account account, BindingResult bindingResult) {
if (bindingResult.hasErrors()) {
return "pages/accounts/create";
}
"redirect:/accounts";
}
}