log 찍기 생활화 System.out.println 탈출

protected final Log logger = LogFactory.getLog(getClass()); private static final Log logger = LogFactory.getLog(EgovFaqManageController.class); logger.debug("name = " + name + " , value = " + value.toString()); logger.debug("authentication : " + authentication.toString()); logger.debug("principal : " + principal); logger.debug("details : " + details.toString()); logger.debug("username : " + username); logger.debug("password : " + password);