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

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

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

@Slf4j@Controllerpublic 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 설정logging.level.hello.springmvc=debug2021-04-24 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

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

네 똑같이 ok만 뜹니다

servletApplication.main()메소드가 게속 실행되는데 끝나질 안아요?

명확한 설명 감사드리고 한글은 다른방법으로 해결햇어요!!

Assertions. 에서 임포트를 받지 못합니다 import org.assertj.core.api.Assertions; 받지못하니 기능수행이 안되네요 bulid.gradle에 추가해야 할꺼같은데요

plugins { id 'org.springframework.boot' version '2.4.3' id 'io.spring.dependency-management' version '1.0.11.RELEASE' id 'java'}group = 'hello'version = '0.0.1-SNAPSHOT'sourceCompatibility = '11'repositories { mavenCentral()}dependencies { implementation 'org.springframework.boot:spring-boot-starter' implementation 'junit:junit:4.12' implementation 'org.junit.jupiter:junit-jupiter:5.4.2' testImplementation ('org.springframework.boot:spring-boot-starter-test') { exclude group: 'org.junit.vintage', module: 'junit-vintage-engine' }}test { useJUnitPlatform()}어떤거를 추가해야 되지요??