학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]여기에 질문 내용을 남겨주세요.'AppConfig 처럼 객체를 생성하고 관리하면서 의존관계를 연결해 주는 것을 IoC 컨테이너 또는 DI 컨테이너라 한다. ' 라고 하셨는데여기서 IoC 컨테이너라고 부르는 이유가AppConfig를 사용하는 클라이언트 구현 객체가외부에서 구현 객체를 주입하는 방식을 통해(DI) 프로그램의 제어를 외부로 넘기는 것(IoC)을 만족하기 때문인가요? 정리 하자면IoC: 프로그램의 제어를 외부로 넘기는 것DI: 외부에서 구현 객체를 주입하는 방식 결국 IoC 라는 개념이 DI 같은 개념을 사용해서 프로그램 제어가 외부로 넘기는 방식이라고 이해해도 되는지 궁금합니다.

=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]빈 스코프와 Provider 강의를 듣고 있는데요 그대로 코드 따라치고 있는데 web 패키지를 빌드하면 java: package hello.core.common does not exist이런 오류가 뜹니다 ㅠㅠㅠ분명히 hello.core 아래에 common 패키지가 존재하고 있고 import도 잘 되어있는데 왜 안되는 건가요??이런 경우 문제를 어떻게 해결하나요??

chapter 15 실습에서 막힙니다.styled-components를 @latest 붙여서 다운받았는데도 실행이 안됩니다.그냥 빈 하얀 화면만 뜹니다...다른 챕터는 확인해보니까 다 되던데, 왜 styled-components 실습만 왜 안될까요?Blocks.jsx 파일 코드import styled from "styled-components"; const Wrapper = styled.div` padding: 1rem; display: flex; flex-direction: row; align-items: flex-start; justify-content: flex-start; background-color: lightgrey; `; const Block = styled.div` padding: ${(props) => props.padding}; border: 1px solid black; border-radius: 1rem; background-color: ${(props) => props.backgroundColor}; color: white; font-size: 2rem; text-align: center; `; const blockItems = [ { label: "1", padding: "1rem", backgroundColor: "red", }, { label: "2", padding: "3rem", backgroundColor: "green", }, { label: "3", padding: "2rem", backgroundColor: "blue", }, ]; function Blocks(props) { return ( <Wrapper> {blockItems.map((blockItem) => { return ( <Block padding={blockItem.padding} backgroundColor={blockItem.backgroundColor} > {blockItem.label} </Block> ); })} </Wrapper> ); } export default Blocks; index.js 파일 코드import React from "react"; import ReactDOM from "react-dom/client"; import "./index.css"; import App from "./App"; import reportWebVitals from "./reportWebVitals"; // import Library from "./chapter_03/Library"; // import Clock from "./chapter_04/Clock"; // import CommentList from "./chapter_05/CommentList"; // import NotificationList from "./chapter_06/NotificationList"; // import Accomodate from "./chapter_07/Accommodate"; // import ConfirmButton from "./chapter_08/ConfirmButton"; // import LandingPage from "./chapter_09/LandingPage"; // import AttendanceBook from "./chapter_10/AttendanceBook"; // import SignUp from "./chapter_11/SignUp"; // import Calculator from "./chapter_12/Calculator"; // import ProfileCard from "./chapter_13/ProfileCard"; // import DarkOrLight from "./chapter_14/DarkOrLight"; import Blocks from "./chapter_15/Blocks"; const root = ReactDOM.createRoot(document.getElementById("root")); root.render( <React.StrictMode> <Blocks /> </React.StrictMode> ); // If you want to start measuring performance in your app, pass a function // to log results (for example: reportWebVitals(console.log)) // or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals reportWebVitals();빈 하얀 화면에서 F12 눌러서 오류 확인해보니까 이렇게 뜹니다.Warning: Each child in a list should have a unique "key" prop.Check the render method of Blocks. See https://reactjs.org/link/warning-keys for more information. at O (http://localhost:3000/static/js/bundle.js:43804:6) at BlocksprintWarning @ react-jsx-dev-runtime.development.js:872react.development.js:209 Warning: Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:1. You might have mismatching versions of React and the renderer (such as React DOM)2. You might be breaking the Rules of Hooks3. You might have more than one copy of React in the same appSee https://reactjs.org/link/invalid-hook-call for tips about how to debug and fix this problem.printWarning @ react.development.js:209react.development.js:1618 Uncaught TypeError: Cannot read properties of null (reading 'useContext') at Object.useContext (react.development.js:1618:1) at StyledComponent.ts:124:1 at O (StyledComponent.ts:190:1) at renderWithHooks (react-dom.development.js:16305:1) at updateForwardRef (react-dom.development.js:19226:1) at beginWork (react-dom.development.js:21636:1) at HTMLUnknownElement.callCallback (react-dom.development.js:4164:1) at Object.invokeGuardedCallbackDev (react-dom.development.js:4213:1) at invokeGuardedCallback (react-dom.development.js:4277:1) at beginWork$1 (react-dom.development.js:27451:1)2react.development.js:209 Warning: Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:1. You might have mismatching versions of React and the renderer (such as React DOM)2. You might be breaking the Rules of Hooks3. You might have more than one copy of React in the same appSee https://reactjs.org/link/invalid-hook-call for tips about how to debug and fix this problem.printWarning @ react.development.js:209react.development.js:1618 Uncaught TypeError: Cannot read properties of null (reading 'useContext') at Object.useContext (react.development.js:1618:1) at StyledComponent.ts:124:1 at O (StyledComponent.ts:190:1) at renderWithHooks (react-dom.development.js:16305:1) at updateForwardRef (react-dom.development.js:19226:1) at beginWork (react-dom.development.js:21636:1) at HTMLUnknownElement.callCallback (react-dom.development.js:4164:1) at Object.invokeGuardedCallbackDev (react-dom.development.js:4213:1) at invokeGuardedCallback (react-dom.development.js:4277:1) at beginWork$1 (react-dom.development.js:27451:1)react-dom.development.js:18687 The above error occurred in the <styled.div> component: at O (http://localhost:3000/static/js/bundle.js:43804:6) at BlocksConsider adding an error boundary to your tree to customize error handling behavior.Visit https://reactjs.org/link/error-boundaries to learn more about error boundaries.logCapturedError @ react-dom.development.js:18687react-dom.development.js:26923 Uncaught TypeError: Cannot read properties of null (reading 'useContext') at Object.useContext (react.development.js:1618:1) at StyledComponent.ts:124:1 at O (StyledComponent.ts:190:1) at renderWithHooks (react-dom.development.js:16305:1) at updateForwardRef (react-dom.development.js:19226:1) at beginWork (react-dom.development.js:21636:1) at beginWork$1 (react-dom.development.js:27426:1) at performUnitOfWork (react-dom.development.js:26557:1) at workLoopSync (react-dom.development.js:26466:1) at renderRootSync (react-dom.development.js:26434:1) 뭐가 문제일까요?

fetchBoards 인자로 search와 page가 있는데 search에 어떤 내용을 입력해야하는 지 모르겠습니다. 그리고 page라는 int형 값은 어디서 얻는지도 모르겠는데 알 수 있을까요?

npm start 하고 localhost:3000으로 접속이 되었고, 리액트 로딩창만 나오고 다음창이 로드가 안됩니다. 터미널에서도 successfully 뜨고 코드도 오류가 없습니다. 왜 로딩이안될까요 ? 단순 컴퓨터문제일까요?

섹션 별 나눠져있는 자료중에7.http-header1.pdf위 파일에 쿠키 관련 이후 자료가 없습니다.

공부 시작하려고 코드샌드박스를 사용하는데 js에서 작성할 때 backspace나 ctrl+a 같은 작동들이 전혀 안되는데 아시는 분 있나요? 오타를 고치려면 드래그해서 수정하는 것만 되고 있습니다ㅠㅠ

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]영한님의 말씀에 의하면AppConfig의 자식클래스인 AppConfig@CGLIB가 스프링 빈으로 제일 먼저 등록되어서, 누가 @Bean 메서드를 호출하려할때 가로챈? 다음, 빈으로 등록된 AppConfig@CGLIB에 override 된 해당 메서드를 실행하여 (등록이 안되어 있으면)스프링 빈으로 등록할지, 등록된 걸 내보낼지 결정한다. 라고 이해했는데 맞는지 궁금합니다!

보통 아래와같이yml 파일에 이 yml의 profiles가 dev야 라고 명시 해주고 spring: profiles: dev인텔리제이 active profiles에서 dev를 넣어주면매칭이 되는걸로 알고있는데,별도로 안적어주면application-과 .yml 사이에 있는 파일명을 profiles로 인식을 하는건가요?yml 설정 (3) 강의 보고 질문드립니다!

동영상에서 26:08 에 나오는 클린 솔루션을 눌렀는데 디버그 폴더에 파일들이 삭제가 안되고그냥 남아 있습니다. 왜 삭제가 안되는지 궁금합니다. VS2022 버전입니다.

안녕하십니까 큰돌님해당 문제를 bfs로 풀었는데 효율적인지 궁금합니다 !http://boj.kr/efabd95dc54b4536956d2e87d8f80d04

inline으로 css를 적용하려고 하니까, 자동완성이 안돼서 불편한데, 방법을 찾아봐도 모르겠어서 여쭈어봅니다.

에러 메시지는 아래와 같습니다.*************************** APPLICATION FAILED TO START *************************** Description: The dependencies of some of the beans in the application context form a cycle: ┌─────┐ | oauth2UserService defined in file [D:\GooGoo\out\production\classes\eunhye\GooGoo\config\oauth\Oauth2UserService.class] ↑ ↓ | securityConfig defined in file [D:\GooGoo\out\production\classes\eunhye\GooGoo\config\security\SecurityConfig.class] └─────┘ Action: Relying upon circular references is discouraged and they are prohibited by default. Update your application to remove the dependency cycle between beans. As a last resort, it may be possible to break the cycle automatically by setting spring.main.allow-circular-references to true. Process finished with exit code 1 oauth2UserService와 securityConfig가 cycle을 이루고 있다.뭔가 구조가 잘못됐다는 것을 알 수 있었습니다만...전 강의 잘 듣고 잘 코드 쳤다고 생각이 되거든요ㅠ스스로를 의심하며 아무리 코드를 쳐다봐도 잘못된 점을 모르겠어서 질문 올립니다.다음은 관련된 코드들입니다. Oauth2UserService.javapackage eunhye.GooGoo.config.oauth; import eunhye.GooGoo.config.security.SecurityDetails; import eunhye.GooGoo.dto.UserDTO; import eunhye.GooGoo.entity.UserEntity; import eunhye.GooGoo.entity.UserRole; import eunhye.GooGoo.repository.UserRepository; import lombok.RequiredArgsConstructor; import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; import org.springframework.security.crypto.password.PasswordEncoder; import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService; import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest; import org.springframework.security.oauth2.core.OAuth2AuthenticationException; import org.springframework.security.oauth2.core.user.OAuth2User; import org.springframework.stereotype.Service; @Service @RequiredArgsConstructor public class Oauth2UserService extends DefaultOAuth2UserService { private final UserRepository userRepository; private final PasswordEncoder passwordEncoder; // 구글로부터 받은 userRequest 데이터에 대해 후처리하는 함수 @Override public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException{ OAuth2User oauth2User = super.loadUser(userRequest); // 회원가입 강제 진행 String provider = userRequest.getClientRegistration().getClientId(); String providerId = oauth2User.getAttribute("sub"); String userNickname = provider+"_"+providerId; String userEmail = oauth2User.getAttribute("email"); String userPassword = passwordEncoder.encode("겟인데어"); UserRole authority = UserRole.USER; UserEntity userEntity = userRepository.findByUserEmail(userEmail); if(userEntity == null){ userEntity = UserEntity.builder() .userNickname(userNickname) .userEmail(userEmail) .userPassword(userPassword) .authority(authority) .provider(provider) .providerId(providerId) .build(); userRepository.save(userEntity); } return new SecurityDetails(userEntity, oauth2User.getAttributes()); } }  SecurityConfig.javapackage eunhye.GooGoo.config.security; import eunhye.GooGoo.config.oauth.Oauth2UserService; import lombok.RequiredArgsConstructor; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity; import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; import org.springframework.security.web.SecurityFilterChain; import org.springframework.security.web.authentication.AuthenticationFailureHandler; import org.springframework.security.web.util.matcher.AntPathRequestMatcher; @Configuration @EnableWebSecurity @RequiredArgsConstructor public class SecurityConfig{ private final AuthenticationFailureHandler customFailureHandler; private final Oauth2UserService oauth2UserService; @Bean public BCryptPasswordEncoder passwordEncoder() { return new BCryptPasswordEncoder(); } @Bean public SecurityFilterChain filterChain(HttpSecurity http) throws Exception { http .csrf().disable() .authorizeRequests() .antMatchers("/user/**").authenticated() .antMatchers("/admin/**").access("hasRole('ADMIN')") .anyRequest().permitAll() .and() .formLogin() .loginPage("/login") .loginProcessingUrl("/login") .defaultSuccessUrl("/home") .usernameParameter("userEmail").passwordParameter("userPassword") .failureHandler(customFailureHandler) .and() .logout() .logoutRequestMatcher(new AntPathRequestMatcher("/logout")) .logoutSuccessUrl("/login") .and().oauth2Login() .loginPage("/login").defaultSuccessUrl("/home") .userInfoEndpoint().userService(oauth2UserService); return http.build(); } }  SecurityDetails.javapackage eunhye.GooGoo.config.security; import eunhye.GooGoo.entity.UserEntity; import lombok.AllArgsConstructor; import lombok.Data; import lombok.NoArgsConstructor; import lombok.RequiredArgsConstructor; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.oauth2.core.user.OAuth2User; import java.util.ArrayList; import java.util.Collection; import java.util.Map; @Data public class SecurityDetails implements UserDetails, OAuth2User { // 일반 로그인 private final UserEntity userEntity; // OAuth 로그인 (Google) private Map<String, Object> attributes; public SecurityDetails(UserEntity userEntity){ this.userEntity = userEntity; } public SecurityDetails(UserEntity userEntity, Map<String, Object> attributes){ this.userEntity = userEntity; this.attributes = attributes; } @Override public Map<String, Object> getAttributes() { return attributes; } @Override public String getName() { return userEntity.getId()+""; } @Override public Collection<? extends GrantedAuthority> getAuthorities() { Collection<GrantedAuthority> authorities = new ArrayList<>(); authorities.add(new GrantedAuthority() { @Override public String getAuthority() { return userEntity.getAuthority().toString(); } }); return authorities; } @Override public String getPassword() { return userEntity.getUserPassword(); } @Override public String getUsername() { return userEntity.getUserEmail(); } @Override public boolean isAccountNonExpired() { return true; } @Override public boolean isAccountNonLocked() { return true; } @Override public boolean isCredentialsNonExpired() { return true; } @Override public boolean isEnabled() { return true; } }   추가적인 코드가 필요하다면 아래 깃헙 링크 참고해주세요https://github.com/you-eun-hye/GooGoo

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]package hello.jdbc.service; import hello.jdbc.JdbcApplication; import hello.jdbc.domain.Member; import hello.jdbc.repository.MemberRepositoryV3; import lombok.extern.slf4j.Slf4j; import org.assertj.core.api.Assertions; import org.junit.jupiter.api.*; import org.junit.jupiter.api.extension.ExtendWith; import org.springframework.aop.support.AopUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.boot.test.context.TestConfiguration; import org.springframework.context.annotation.Bean; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.jdbc.datasource.DriverManagerDataSource; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit.jupiter.SpringExtension; import org.springframework.transaction.PlatformTransactionManager; import javax.sql.DataSource; import java.beans.BeanProperty; import java.sql.SQLException; import static hello.jdbc.connection.ConnectionConst.*; import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThatThrownBy; /** * 트랜잭션 - @Transactional AOP */ @Slf4j @SpringBootTest class MemberServiceV3Test_3 { public static final String MEMBER_A = "memberA"; public static final String MEMBER_B = "memberB"; public static final String MEMBER_EX = "ex"; @Autowired private MemberRepositoryV3 memberRepository; @Autowired private MemberServiceV3_3 memberService; @TestConfiguration static class TestConfig{ @Bean DataSource dataSource(){ return new DriverManagerDataSource(URL,USERNAME,PASSWORD); } @Bean PlatformTransactionManager transactionManager(){ return new DataSourceTransactionManager(dataSource()); } @Bean MemberRepositoryV3 memberRepositoryV3(){ return new MemberRepositoryV3(dataSource()); } @Bean MemberServiceV3_3 memberServiceV3_3(){ return new MemberServiceV3_3(memberRepositoryV3()); } } @Test void AopCheck() { log.info("memberService class={}", memberService.getClass()); log.info("memberRepository class={}", memberRepository.getClass()); org.assertj.core.api.Assertions.assertThat(AopUtils.isAopProxy(memberService)).isTrue(); Assertions.assertThat(AopUtils.isAopProxy(memberRepository)).isFalse(); } @AfterEach void after() throws SQLException{ memberRepository.delete(MEMBER_A); memberRepository.delete(MEMBER_B); memberRepository.delete("ex"); } @Test @DisplayName("정상 이체") void accountTransfer() throws SQLException { Member memberA = new Member(MEMBER_A, 10000); Member memberB = new Member(MEMBER_B, 10000); memberRepository.save(memberA); memberRepository.save(memberB); memberService.accountTransfer( memberA.getMemberId(),memberB.getMemberId(),2000); Member findMemberA = memberRepository.findById(memberA.getMemberId()); Member findMemberB = memberRepository.findById(memberB.getMemberId()); assertThat(findMemberA.getMoney()).isEqualTo(8000); assertThat(findMemberB.getMoney()).isEqualTo(12000); } @Test @DisplayName("이체 중 예외 발생") void accountTransferEx() throws SQLException { Member memberA = new Member(MEMBER_A, 10000); Member memberEx = new Member(MEMBER_EX, 10000); memberRepository.save(memberA); memberRepository.save(memberEx); assertThatThrownBy(()->memberService.accountTransfer(memberA.getMemberId(),memberEx.getMemberId(),2000)) .isInstanceOf(IllegalArgumentException.class); Member findMemberA = memberRepository.findById( memberA.getMemberId()); Member findMemberB = memberRepository.findById(memberEx.getMemberId()); assertThat(findMemberA.getMoney()).isEqualTo(8000); assertThat(findMemberB.getMoney()).isEqualTo(12000); } } 위의 코드를 실행시켜보면  > Task :compileJava> Task :processResources UP-TO-DATE> Task :classes> Task :compileTestJava> Task :processTestResources NO-SOURCE> Task :testClasses> Task :test19:16:39.251 [Test worker] DEBUG org.springframework.test.context.support.AbstractContextLoader -- Could not detect default resource locations for test class [hello.jdbc.service.MemberServiceV3Test_3]: no resource found for suffixes {-context.xml, Context.groovy}.19:16:39.283 [Test worker] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper -- Using ContextCustomizers for test class [MemberServiceV3Test_3]: [DisableObservabilityContextCustomizer, PropertyMappingContextCustomizer, Customizer, ExcludeFilterContextCustomizer, DuplicateJsonObjectContextCustomizer, MockitoContextCustomizer, TestRestTemplateContextCustomizer]19:16:39.429 [Test worker] DEBUG org.springframework.test.context.util.TestContextSpringFactoriesUtils -- Skipping candidate TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener] due to a missing dependency. Specify custom TestExecutionListener classes or make the default TestExecutionListener classes and their required dependencies available. Offending class: [jakarta/servlet/ServletContext]19:16:39.434 [Test worker] DEBUG org.springframework.test.context.util.TestContextSpringFactoriesUtils -- Could not load TestExecutionListener [org.springframework.test.context.observation.MicrometerObservationRegistryTestExecutionListener]. Specify custom TestExecutionListener classes or make the default TestExecutionListener classes available.java.lang.ExceptionInInitializerError: null at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at org.springframework.core.io.support.SpringFactoriesLoader$FactoryInstantiator.instantiate(SpringFactoriesLoader.java:382) at org.springframework.core.io.support.SpringFactoriesLoader.instantiateFactory(SpringFactoriesLoader.java:228) at org.springframework.core.io.support.SpringFactoriesLoader.load(SpringFactoriesLoader.java:206) at org.springframework.core.io.support.SpringFactoriesLoader.load(SpringFactoriesLoader.java:178) at org.springframework.test.context.util.TestContextSpringFactoriesUtils.loadFactoryImplementations(TestContextSpringFactoriesUtils.java:71) at org.springframework.test.context.support.AbstractTestContextBootstrapper.getDefaultTestExecutionListeners(AbstractTestContextBootstrapper.java:198) at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.getDefaultTestExecutionListeners(SpringBootTestContextBootstrapper.java:128) at org.springframework.test.context.support.AbstractTestContextBootstrapper.getTestExecutionListeners(AbstractTestContextBootstrapper.java:128) at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:131) at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:113) at org.junit.jupiter.engine.execution.ExtensionValuesStore.lambda$getOrComputeIfAbsent$4(ExtensionValuesStore.java:86) at org.junit.jupiter.engine.execution.ExtensionValuesStore$MemoizingSupplier.computeValue(ExtensionValuesStore.java:223) at org.junit.jupiter.engine.execution.ExtensionValuesStore$MemoizingSupplier.get(ExtensionValuesStore.java:211) at org.junit.jupiter.engine.execution.ExtensionValuesStore$StoredValue.evaluate(ExtensionValuesStore.java:191) at org.junit.jupiter.engine.execution.ExtensionValuesStore$StoredValue.access$100(ExtensionValuesStore.java:171) at org.junit.jupiter.engine.execution.ExtensionValuesStore.getOrComputeIfAbsent(ExtensionValuesStore.java:89) at org.junit.jupiter.engine.execution.ExtensionValuesStore.getOrComputeIfAbsent(ExtensionValuesStore.java:93) at org.junit.jupiter.engine.execution.NamespaceAwareStore.getOrComputeIfAbsent(NamespaceAwareStore.java:61) at org.springframework.test.context.junit.jupiter.SpringExtension.getTestContextManager(SpringExtension.java:294) at org.springframework.test.context.junit.jupiter.SpringExtension.beforeAll(SpringExtension.java:113) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeBeforeAllCallbacks$12(ClassBasedTestDescriptor.java:395) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeBeforeAllCallbacks(ClassBasedTestDescriptor.java:395) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.before(ClassBasedTestDescriptor.java:211) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.before(ClassBasedTestDescriptor.java:84) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:148) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:110) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:90) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:85) at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:62) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33) at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94) at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source) at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193) at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129) at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100) at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60) at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56) at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:113) at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:65) at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69) at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)Caused by: java.lang.IllegalStateException: MicrometerObservationRegistryTestExecutionListener requires micrometer-observation 1.10.8 or higher at org.springframework.test.context.observation.MicrometerObservationRegistryTestExecutionListener.<clinit>(MicrometerObservationRegistryTestExecutionListener.java:80) ... 81 common frames omittedCaused by: java.lang.ClassNotFoundException: io.micrometer.observation.contextpropagation.ObservationThreadLocalAccessor at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at java.base/java.lang.Class.forName0(Native Method) at java.base/java.lang.Class.forName(Class.java:467) at org.springframework.test.context.observation.MicrometerObservationRegistryTestExecutionListener.<clinit>(MicrometerObservationRegistryTestExecutionListener.java:76) ... 81 common frames omitted19:16:39.453 [Test worker] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper -- Using TestExecutionListeners for test class [MemberServiceV3Test_3]: [DirtiesContextBeforeModesTestExecutionListener, ApplicationEventsTestExecutionListener, MockitoTestExecutionListener, DependencyInjectionTestExecutionListener, DirtiesContextTestExecutionListener, TransactionalTestExecutionListener, SqlScriptsTestExecutionListener, EventPublishingTestExecutionListener, RestDocsTestExecutionListener, MockRestServiceServerResetTestExecutionListener, MockMvcPrintOnlyOnFailureTestExecutionListener, WebDriverTestExecutionListener, MockWebServiceServerTestExecutionListener, ResetMocksTestExecutionListener]19:16:39.455 [Test worker] DEBUG org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener -- Before test class: class [MemberServiceV3Test_3], class annotated with @DirtiesContext [false] with mode [null]19:16:39.469 [Test worker] DEBUG org.springframework.test.context.support.DependencyInjectionTestExecutionListener -- Performing dependency injection for test class hello.jdbc.service.MemberServiceV3Test_3 . ____ _ /\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.0.8)2023-07-21T19:16:39.799+09:00 INFO 28720 --- [ Test worker] h.jdbc.service.MemberServiceV3Test_3 : Starting MemberServiceV3Test_3 using Java 17.0.7 with PID 28720 (started by ParkWonkyoung in C:\Users\ParkWonkyoung\Desktop\springmvc\jdbc)2023-07-21T19:16:39.800+09:00 INFO 28720 --- [ Test worker] h.jdbc.service.MemberServiceV3Test_3 : No active profile set, falling back to 1 default profile: "default"2023-07-21T19:16:40.593+09:00 INFO 28720 --- [ Test worker] h.jdbc.service.MemberServiceV3Test_3 : Started MemberServiceV3Test_3 in 1.082 seconds (process running for 2.309)2023-07-21T19:16:40.602+09:00 ERROR 28720 --- [ Test worker] o.s.test.context.TestContextManager : Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener] to prepare test instance [hello.jdbc.service.MemberServiceV3Test_3@1f346ad2]org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'hello.jdbc.service.MemberServiceV3Test_3': Unsatisfied dependency expressed through field 'memberRepository': No qualifying bean of type 'hello.jdbc.repository.MemberRepositoryV3' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:714) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:694) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:145) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:483) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1416) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:396) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:142) ~[spring-test-6.0.10.jar:6.0.10] at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:97) ~[spring-test-6.0.10.jar:6.0.10] at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:241) ~[spring-test-6.0.10.jar:6.0.10] at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) ~[spring-test-6.0.10.jar:6.0.10] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$10(ClassBasedTestDescriptor.java:377) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:382) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$11(ClassBasedTestDescriptor.java:377) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[na:na] at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[na:na] at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[na:na] at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[na:na] at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[na:na] at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:310) ~[na:na] at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) ~[na:na] at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) ~[na:na] at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[na:na] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:376) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:289) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:288) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:278) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at java.base/java.util.Optional.orElseGet(Optional.java:364) ~[na:na] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:277) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:105) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:104) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:68) ~[junit-jupiter-engine-5.9.3.jar:5.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) ~[junit-platform-engine-1.9.3.jar:1.9.3] at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.9.3.jar:1.9.3] at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) ~[junit-platform-engine-1.9.3.jar:1.9.3] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) ~[junit-platform-launcher-1.8.2.jar:1.8.2] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:110) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:90) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:85) ~[na:na] at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:62) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na] at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36) ~[na:na] at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) ~[na:na] at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33) ~[na:na] at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94) ~[na:na] at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60) ~[na:na] at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56) ~[na:na] at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:113) ~[na:na] at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:65) ~[na:na] at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69) ~[gradle-worker.jar:na] at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74) ~[gradle-worker.jar:na]Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'hello.jdbc.repository.MemberRepositoryV3' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1824) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1383) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1337) ~[spring-beans-6.0.10.jar:6.0.10] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:711) ~[spring-beans-6.0.10.jar:6.0.10] ... 90 common frames omittedError creating bean with name 'hello.jdbc.service.MemberServiceV3Test_3': Unsatisfied dependency expressed through field 'memberRepository': No qualifying bean of type 'hello.jdbc.repository.MemberRepositoryV3' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'hello.jdbc.service.MemberServiceV3Test_3': Unsatisfied dependency expressed through field 'memberRepository': No qualifying bean of type 'hello.jdbc.repository.MemberRepositoryV3' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at app//org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:714) at app//org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:694) at app//org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:145) at app//org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:483) at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1416) at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:396) at app//org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:142) at app//org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:97) at app//org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:241) at app//org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$10(ClassBasedTestDescriptor.java:377) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:382) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$11(ClassBasedTestDescriptor.java:377) at java.base@17.0.7/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base@17.0.7/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base@17.0.7/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) at java.base@17.0.7/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base@17.0.7/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base@17.0.7/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:310) at java.base@17.0.7/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) at java.base@17.0.7/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) at java.base@17.0.7/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:376) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:289) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:288) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:278) at java.base@17.0.7/java.util.Optional.orElseGet(Optional.java:364) at app//org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:277) at app//org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:105) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:104) at app//org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:68) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) at java.base@17.0.7/java.util.ArrayList.forEach(ArrayList.java:1511) at app//org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at app//org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.base@17.0.7/java.util.ArrayList.forEach(ArrayList.java:1511) at app//org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) at app//org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) at app//org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at app//org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at app//org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) at app//org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at app//org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) at app//org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) at app//org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) at app//org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) at app//org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) at app//org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) at app//org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) at app//org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at app//org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:110) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:90) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:85) at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:62) at java.base@17.0.7/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base@17.0.7/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base@17.0.7/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base@17.0.7/java.lang.reflect.Method.invoke(Method.java:568) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33) at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94) at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source) at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193) at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129) at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100) at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60) at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56) at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:113) at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:65) at app//worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69) at app//worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'hello.jdbc.repository.MemberRepositoryV3' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at app//org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1824) at app//org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1383) at app//org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1337) at app//org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:711) ... 90 moreMemberServiceV3Test_3 > AopCheck() FAILED org.springframework.beans.factory.UnsatisfiedDependencyException at AutowiredAnnotationBeanPostProcessor.java:714 Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException at DefaultListableBeanFactory.java:18241 test completed, 1 failed> Task :test FAILEDFAILURE: Build failed with an exception.* What went wrong:Execution failed for task ':test'.> There were failing tests. See the report at: file:///C:/Users/ParkWonkyoung/Desktop/springmvc/jdbc/build/reports/tests/test/index.html* Try:> Run with --stacktrace option to get the stack trace.> Run with --info or --debug option to get more log output.> Run with --scan to get full insights.* Get more help at https://help.gradle.orgBUILD FAILED in 5s4 actionable tasks: 3 executed, 1 up-to-date~~~~이런 오류가 발생합니다.

안녕하세요.프론트쪽은 처음이라 하나 하나 해보고 있는데요. 카카오 맵으로 구현 하고 싶어서 https://github.com/JaeSeoKim/react-kakao-maps-sdk 라이브러르를 사용해서 naver map 사용하는 부분을 고쳐서 동작 시켰는데요.strategy="afterInteractive" , "beforeInteractive" 로 하면 TypeError: undefined is not an object (evaluating 'new window.kakao.maps') 에러가 나요.네이버맵 대신 카카오맵을 사용하고 싶은데요. 어떻게 해야할까요?감사합니다. 

헤더에서는 가급적으로 bool 대신 uint8 : 1 을 통해 비트필드를 사용하라고 하셨습니다.이 비트 필드를 헤더에서 초기화 해주고 싶은데, 어떻게 초기화 해주어야하나요?헤더에서 uint8 bTemp:1 = false; 나 uint8 bTemp:1 = 0; 으로 하니 C++20 이 필요하다고 컴파일 오류를 뱉습니다.생성자에서는 bTemp = false; 이런식으로 초기화가 잘 가능한데, 헤더에서 초기화를 진행하고 싶으면 어떻게 해야하나요?

안녕하세요. 보너스 강의 정말 감사합니다. 아주 유익하고 저에게 큰 도움이 되어 정말 기쁩니다.한 가지 궁금한 점이 있어서 글 남기는데요.App.tsx에서 강의상에서는 에러가 안 나는데, 저는 에러가 나서 검색해보니 return을 해줘야 한다고 하네요.{todos.map((todo) => { <TodoItem key={todo.id} {...todo} /> })}에러: ‘Type 'void[]' is not assignable to type 'ReactNode’ [아래는 제가 찾아본 내용입니다.]todos.map 콜백 함수 내부에 return문이 없기 때문에 해당 콜백 함수는 암묵적으로 undefined를 반환하게 되어 배열의 요소들이 모두 undefined로 채워진다.map 메서드는 배열의 각 요소에 대해 함수를 호출하고 해당 함수의 반환 값을 새로운 배열로 만든다. 이 때 콜백 함수에서 반환하는 값을 배열에 추가하고자 한다면 반드시 return 문을 사용해야 한다.그래서 아래와 같이 변경하였습니다.{todos.map((todo) => { return <TodoItem key={todo.id} {...todo} /> })}강의랑 어떤 부분이 달라서 그런지는 모르겠지만, 혹시 저처럼 에러가 나는 분이 계시면 참고하시면 좋을 것 같습니다.그리고 강의에서는 return을 생략해도 에러가 안 나는데 어떤 차이점이 있는지도 의문이 갑니다.감사합니다. 

안녕하세요! 처음 이 수업을 듣고 있는데요, 기초적인 질문을 드리는 것 같아서 죄송합니다.. 제 os가 윈도우인데 ubuntu on windows 앱이나 vmware 등 가상머신을 통해서 우분투를 사용하려고 합니다. 그런데 10:27 에 가상환경 생성하는 프롬프터는 어디에서 진행하나요? 우분투를 가상머신에 설치 후 어떤 프롬프터에서 진행하는건지 궁금합니다.. 제가 원래 윈도우를 쓸 때는 아나콘다에서 가상환경을 생성했는데요, 마찬가지로 우분투에 아나콘다를 설치해서 아나콘다 프롬프터에서 저런 방식으로 가상환경을 생성하는건가요?감사합니다.

소문자로 이루어진 문자열이 주어지면 해당 문자열의 문자를 지우거나 추가하여 모든 문자의 빈도수가 서 로 다르게 만들려고 합니다. 만약 주어진 문자열이 매개변수 s에 문자열이 주어지면 s의 모든 문자의 빈도수가 서로 다르도록 하기 위해 지우거나 추가해야 할 최소 개수를 반환하는 프로그램을 작성하세요. 만약 문제가 이렇게 나오다면 어떤 방법으로 풀어야할까요 ..? 생각해봤는데 방법이 안 떠올라서 질문 드려봅니다 .. 이런 문제는 없으려나용 ,,

index.js에서import React from 'react'; import ReactDOM from 'react-dom/client'; import './index.css'; import App from './App'; import reportWebVitals from './reportWebVitals'; const root = ReactDOM.createRoot(document.getElementById('root')); root.render( <React.StrictMode> <App /> </React.StrictMode> ); // If you want to start measuring performance in your app, pass a function // to log results (for example: reportWebVitals(console.log)) // or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals reportWebVitals();이렇게 랜딩 페이지로 잘 가는데,import React from 'react'; import ReactDOM from 'react-dom/client'; import './index.css'; import App from './App'; import reportWebVitals from './reportWebVitals'; import { Provider } from 'react-redux'; import 'antd/dist/reset.css'; import { legacy_createStore as createStore, applyMiddleware } from 'redux'; import promiseMiddleware from 'redux-promise'; import ReduxThunk from 'redux-thunk'; import rootReducer from './_reducers'; //'./_reducers/index.js'라고 안 해도 알아서 index.js인 줄 알고 해 줌. const createStoreWithMiddleware = applyMiddleware(promiseMiddleware, ReduxThunk)(createStore); //원래는 createStore만 해서 store를 redux에서 생성하는건데, 그냥 store는 객체밖에 못 받기 때문에 //promise와 function도 받게 해주기 위해 이 middleware와 함께 이렇게 만들어 주는 것. //그래서 store 만든 것을 이렇게 store에다가 넣어주는 것. //이렇게까지 하면 우리 application에 redux를 연결 시킨 것. ReactDOM.render( <Provider store={createStoreWithMiddleware(rootReducer , window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__() )} > <App /> </Provider> , document.getElementById('root') ); // If you want to start measuring performance in your app, pass a function // to log results (for example: reportWebVitals(console.log)) // or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals reportWebVitals(); 이렇게 redux 부분을 추가한 코드로 하면 랜딩페이지로 가지 않고 컴파일은 되나 localhosst:3000도, localhosst:3000/login도, localhosst:3000/register도 다 이렇게 흰 화면만 뜨고 해당 페이지로 가지 않습니다.. 해결 방법 아시는 분 알려주시면 감사하겠습니다😭