결론부터 먼저 작성하겠습니다. package best.gaia.member.controller; import java.util.Optional; import javax.annotation.PostConstruct; import javax.inject.Inject; import javax.servlet.ServletContext; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.PathVariable; import o..