Handle error 404 with Spring controller

Question

I use @ExceptionHandler to handle exceptions thrown by my web app, in my case my app returns JSON response with HTTP status for error

Answer 1

I use spring 4.0 and java configuration. My working code is:

@ControllerAdvice
public class MyExceptionController {
    @ExceptionHandler(NoHandlerFoundException.class)
    public ModelAndView handleError404(HttpServletRequest request, Exception e)   {
            ModelAndView mav = new ModelAndView("/404");
            mav.addObject("exception", e);  
            //mav.addObject("errorcode", "404");
            return mav;
    }
}

In JSP:

    

        
HTTP Status 404 - Page Not Found
        
The page you requested is not available. You might try returning to the ">home page.
    

For Init param config:

public class AppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
    @Override
    public void customizeRegistration(ServletRegistration.Dynamic registration) {
        registration.setInitParameter("throwExceptionIfNoHandlerFound", "true");
    }
}

Or via xml:

    rest-dispatcher
    org.springframework.web.servlet.DispatcherServlet
    
        throwExceptionIfNoHandlerFound
        true
    

See Also: Spring MVC Spring Security and Error Handling