http://localhost:8080/request-param-v1

log.info("username={},age={}",username,age );
답변감사드립니다
setting에서 idea 든 gradle 이든 jdk 11로 바꿔줫는데도 왜 15로 뜨는걸까요?

@Slf4j
@Controller
public class RequestParamController {

    @RequestMapping("/request-param-v1")
    public void requestParamV1(HttpServletRequest request, HttpServletResponse response) throws IOException {
        String username = request.getParameter("username");
        int age = Integer.parseInt(request.getParameter("age"));


        response.getWriter().write("ok");
    }

    @ResponseBody
    @RequestMapping("/request-param-v2")
    public String requestParamV2(
            @RequestParam("username") String memberName,
            @RequestParam("age") int memberAge) {

        log.info("username={}, age={}", memberName, memberAge);
        return "ok";//@RestController 같은효과
    }
    
}

#전체 로그 레벨 설정(기본 info)
logging.level.root=info
#hello.springmvc 패키지와 그 하위 로그 레벨 설정
logging.level.hello.springmvc=debug

2021-04-24 21:05:34.313  INFO 15380 --- [           main] hello.springmvc.SpringmvcApplication     : Starting SpringmvcApplication using Java 15.0.2 on DESKTOP-C6Q38EP with PID 15380 (C:\study\springmvc\springmvc\out\production\classes started by 82109 in C:\study\springmvc\springmvc)
2021-04-24 21:05:34.317 DEBUG 15380 --- [           main] hello.springmvc.SpringmvcApplication     : Running with Spring Boot v2.4.5, Spring v5.3.6
2021-04-24 21:05:34.318  INFO 15380 --- [           main] hello.springmvc.SpringmvcApplication     : No active profile set, falling back to default profiles: default
2021-04-24 21:05:35.409  INFO 15380 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2021-04-24 21:05:35.421  INFO 15380 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2021-04-24 21:05:35.421  INFO 15380 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.45]
2021-04-24 21:05:35.515  INFO 15380 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2021-04-24 21:05:35.515  INFO 15380 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1132 ms
2021-04-24 21:05:35.915  INFO 15380 --- [           main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'
2021-04-24 21:05:36.292  INFO 15380 --- [           main] o.s.b.a.w.s.WelcomePageHandlerMapping    : Adding welcome page: class path resource [static/index.html]
2021-04-24 21:05:36.465  WARN 15380 --- [           main] ion$DefaultTemplateResolverConfiguration : Cannot find template location: classpath:/templates/ (please add some templates or check your Thymeleaf configuration)
2021-04-24 21:05:36.551  INFO 15380 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2021-04-24 21:05:36.563  INFO 15380 --- [           main] hello.springmvc.SpringmvcApplication     : Started SpringmvcApplication in 2.734 seconds (JVM running for 3.135)
2021-04-24 21:06:19.710  INFO 15380 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2021-04-24 21:06:19.710  INFO 15380 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2021-04-24 21:06:19.712  INFO 15380 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms

사탕님 작성하신 컨트롤러의 전체 코드를 보여주세요.

추가로 application.properties도 보여주세요.

서버에 남겨진 전체 로그도 남겨주세요.

네 똑같이 ok만 뜹니다

안녕하세요. 사탕님

다음과 같이 호출해보시겠어요?

http://localhost:8080/request-param-v1?username=hello&age=20