Example of Log4J

Log4J Example:

@Controller

public class VanityController {

    private static Logger logger = Logger.getLogger(VanityController.class.toString());

    @RequestMapping(value= "/user/{vanity}", method = RequestMethod.GET)

    public ModelAndView viewProfile(@PathVariable String vanity) {

        ModelAndView mv = new ModelAndView("vanity");

        logger.info(vanity + "vanity called!");

        mv.addObject("name", vanity);

        return mv;

    }

}

when called localhost:8080/user/todo

this is what was displayed in the output: 

INFO: todovanity called!