Method catcher2

ch2/ExceptionController.java:14–18

(Exception ex, Model m)

@Controller
public class ExceptionController {
	@ExceptionHandler({NullPointerException.class, FileNotFoundException.class})
	public String catcher2(Exception ex, Model m) {
		m.addAttribute("ex", ex);
		return "error";
	}

	@ExceptionHandler(Exception.class)
	@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR) // 200 -> 500