How to handle MaxUploadSizeExceededException

Question

MaxUploadSizeExceededException exception appears when I upload a file whose size exceeds the maximum allowed. I want to show an error message when this exceptio

Answer 1

Use controller advice

@ControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(MaxUploadSizeExceededException.class)
    public ModelAndView handleMaxUploadException(MaxUploadSizeExceededException e, HttpServletRequest request, HttpServletResponse response){
        ModelAndView mav = new ModelAndView();
        boolean isJson = request.getRequestURL().toString().contains(".json");
        if (isJson) {
            mav.setView(new MappingJacksonJsonView());
            mav.addObject("result", "nok");
        }
        else mav.setViewName("uploadError");
        return mav;
    }
}