Spring WebMVC and BindingResult Errors
We have the need to add FieldErrors inside the Controller, we have tried it several times using the usual FieldError-Constructor:
FieldError error = new FieldError("objectname", "fieldName", "text", false, new String[]{"error.invalid.fieldcontent"}, new Object[]{"argument"}, "defaultMessage");
result.addError(error);
This wasn’t working, until I stumbled across this posting from TechnoBabble. You (We) needed to add the @ModelAttribute(MODEL_NAME) annotation to our method signature, like so:
@RequestMapping(method = RequestMethod.PUT) public String update(@ModelAttribute(MODEL_NAME) @Valid Model model, BindingResult result, ModelMap modelMap)
Now everything works fine. Thanks to Antonio Gonzalez from TechnoBabbel.
Additional Note:
If you would like to skip the @ModelAttribute Annotation, it is possible as well, but then the modelMap needs to contain the object name in CamelCase (e.g. "objectName" and not "objectname"). This works as well.
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