영한쌤은 create, drop 이런식으로 나왔는데 저만 안뜨는건가요?

일단 jpa로 진행하던중 오류가 났습니다..Member.javaMember.javapackage hwang.hwangspring.domain; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; @Entity //->JPA가 관리하는 ENTITY라는 의미가 됨 public class Member { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; //시스템이 정해줌 private String name; //고객이 회원가입할 때 적는 이름 public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } } JpaMemberRepository.java import javax.persistence.EntityManager; import java.util.List; import java.util.Optional; public class JpaMemberRepository implements MemberRepository{ private final EntityManager em; public JpaMemberRepository(EntityManager em) { this.em = em; } @Override public Member save(Member member) { em.persist(member); return member; } @Override public Optional<Member> findById(Long id) { Member member = em.find(Member.class,id); return Optional.ofNullable(member); } @Override public Optional<Member> findByName(String name) { List<Member> result= em.createQuery("select m from Member m where m.name =:name",Member.class) .setParameter("name",name) .getResultList(); return result.stream().findAny(); } @Override public List<Member> findAll() { List<Member> result = em.createQuery("select m from Member m", Member.class).getResultList(); return result; //객체 자체를 return, } } Springconfig.javaimport org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import javax.persistence.Entity; import javax.persistence.EntityManager; import javax.sql.DataSource; @Configuration public class SpringConfig { private final EntityManager em; private final DataSource dataSource; @Autowired public SpringConfig(DataSource dataSource,EntityManager em){ this.dataSource=dataSource; this.em=em; } @Bean public MemberService memberService() { // 이 로직을 등록해서 스프링 빈에 등록을 해줌 return new MemberService((MemoryMemberRepository) memberRepository()); //MemberService()가 스트링빈에 등록됨 } @Bean public MemberRepository memberRepository(){ return new JpaMemberRepository(em); } } MemberIntegrataionTest를 실행할경우package hwang.hwangspring.service; import hwang.hwangspring.domain.Member; import hwang.hwangspring.repository.MemberRepository; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.transaction.annotation.Transactional; import static org.assertj.core.api.Assertions.assertThat; import static org.junit.jupiter.api.Assertions.assertEquals; import static org.junit.jupiter.api.Assertions.assertThrows; @SpringBootTest @Transactional class MemberServiceIntegrationTest { @Autowired MemberService memberService; @Autowired MemberRepository memberRepository; @Test public void 회원가입() throws Exception { //Given Member member = new Member(); member.setName("hello"); //When Long saveId = memberService.join(member); //Then Member findMember = memberRepository.findById(saveId).get(); assertEquals(member.getName(), findMember.getName()); } @Test public void 중복_회원_예외() throws Exception { //Given Member member1 = new Member(); member1.setName("spring"); Member member2 = new Member(); member2.setName("spring"); //When memberService.join(member1); IllegalStateException e = assertThrows(IllegalStateException.class, () -> memberService.join(member2));//예외가 발생해야 한다. assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다."); } }아래와 같은 오류가 뜹니다 ㅠㅠ java.lang.IllegalStateException: Failed to load ApplicationContextat org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:98)at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:124)at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190)at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132)at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:248)at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$8(ClassBasedTestDescriptor.java:363)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:368)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$9(ClassBasedTestDescriptor.java:363)at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312)at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735)at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:362)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:283)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:282)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:272)at java.base/java.util.Optional.orElseGet(Optional.java:369)at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:271)at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:102)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:101)at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:66)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123)at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90)at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$9(NodeTestTask.java:139)at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53)at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57)at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232)at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'memberController' defined in file [C:\Users\hyk46\hwang-spring\hwang-spring\out\production\classes\hwang\hwangspring\controller\MemberController.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'memberService' defined in class path resource [hwang/hwangspring/SpringConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [hwang.hwangspring.service.MemberService]: Factory method 'memberService' threw exception; nested exception is java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800)at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:920)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731)at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408)at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:136)at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:141)at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:90)... 71 moreCaused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'memberService' defined in class path resource [hwang/hwangspring/SpringConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [hwang.hwangspring.service.MemberService]: Factory method 'memberService' threw exception; nested exception is java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658)at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:486)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391)at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311)at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887)at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791)... 89 moreCaused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [hwang.hwangspring.service.MemberService]: Factory method 'memberService' threw exception; nested exception is java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)... 103 moreCaused by: java.lang.ClassCastException: class hwang.hwangspring.repository.JpaMemberRepository cannot be cast to class hwang.hwangspring.repository.MemoryMemberRepository (hwang.hwangspring.repository.JpaMemberRepository and hwang.hwangspring.repository.MemoryMemberRepository are in unnamed module of loader 'app')at hwang.hwangspring.SpringConfig.memberService(SpringConfig.java:29)at hwang.hwangspring.SpringConfig$$EnhancerBySpringCGLIB$$f992599.CGLIB$memberService$0(<generated>)at hwang.hwangspring.SpringConfig$$EnhancerBySpringCGLIB$$f992599$$FastClassBySpringCGLIB$$aa36e038.invoke(<generated>)at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)at hwang.hwangspring.SpringConfig$$EnhancerBySpringCGLIB$$f992599.memberService(<generated>)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.base/java.lang.reflect.Method.invoke(Method.java:566)at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)... 104 more

제가 다 실험을 해봤는데 아래 문구때매 자꾸 서버가 500이 뜹니다. 강의 내용에 맞게 복붙해서 붙였는데 왜 자꾸 뜨는지 모르겠습니다...... 처음의 저 문제의 코드가 오류가 떠서 구글링 한결과 gradle에 아래를 추가했습니다. 오류가 안떠서 코드를 돌렸더니 서버가 500이 뜹니다... 도와주세요 ㅜㅜㅜimplementation group: 'javax.servlet', name: 'jstl', version: '1.2'gradle에 위와같은 문구를 추가했습니다. <%@ page contentType="text/html;charset=UTF-8" language="java" %>문제의 코드<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <a href="/index.html">메인</a> <table> <thead> <th>id</th> <th>username</th> <th>age</th> </thead> <tbody> <c:forEach var="item" items="${members}"> <tr> <td>item.id</td> <td>item.username</td> <td>item.age</td> </c:forEach> </tbody> </table> </body> </html> 전체 members.jsp 코드 package hello.servlet.web.servletmvc; import hello.servlet.domain.member.Member; import hello.servlet.domain.member.MemberRepository; import jakarta.servlet.RequestDispatcher; import jakarta.servlet.ServletException; import jakarta.servlet.annotation.WebServlet; import jakarta.servlet.http.HttpServlet; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.List; @WebServlet(name="mvcMemberListServlet", urlPatterns = "/servlet-mvc/members") public class MvcMemberListServlet extends HttpServlet { MemberRepository memberRepository=MemberRepository.getInstance(); @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List<Member> members = memberRepository.findAll(); request.setAttribute("members",members); String viewPath="/WEB-INF/views/members.jsp"; RequestDispatcher dispatcher = request.getRequestDispatcher(viewPath); dispatcher.forward(request,response); } } MvcMemberListServlet 코드  

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) 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)예[질문 내용] //@PostMapping("/add") //requestParam 은 form 의 name 이름과 같아야함 public String saveV3(@ModelAttribute Item item,Model model){ // @ModelAttribute("item") 도생략가능하다. //Item (class명) ->item itemRepository.save(item); return "/basic/item"; }이 코드에서 @ModelAttribute 가 html 의 name 속성과 Item class 를 매칭시켜주고그래서 itemRepository에 저장 로직에서 사용된다는 거까지는 이해했습니다. 그러나 다시 '/basic/item' 화면으로 갈때 어떻게 저장시킨 item 이 화면에 렌더링되는건지 궁금합니다. Item newItem = itemRepository.save(item); model.addAttribute("item",newItem); 즉 , 이 과정이 어떻게 생략되서 작동되는지 원리가 궁금합니다.

7강에서 PostMapping과 GetMapping에 URL로 /user을 입력했는데 홈페이지에서 사용자 등록버튼을 누르거나 목록창을 눌러도 url은 전혀 변하지 않습니다. url로 클라이언트가 요청을해서 서버가 응답하는 거라고 알고있는데 어떻게 이렇게 작용하는건가요?url이 바뀌지 않아도 요청을 받아들이는건가요?

https://github.com/YuYoHan/project_study1 전체 코드 질문 1) // 로그인 @PostMapping("/api/v1/users/login") public ResponseEntity<?> login(@RequestBody MemberDTO memberDTO) throws Exception { log.info("member : " + memberDTO); try { log.info("-----------------"); ResponseEntity<TokenDTO> login = memberService.login(memberDTO.getUserEmail(), memberDTO.getUserPw()); log.info("login : " + login); return ResponseEntity.ok().body(login); } catch (Exception e) { return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("문제가 있습니다"); } } // 로그인 public ResponseEntity<TokenDTO> login(String userEmail, String userPw) throws Exception { // Login ID/PW를 기반으로 UsernamePasswordAuthenticationToken 생성 UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(userEmail, userPw); log.info("----------------------"); log.info("authenticationToken : " +authenticationToken); log.info("----------------------"); // 실제 검증(사용자 비밀번호 체크)이 이루어지는 부분 // authenticateToken을 이용해서 Authentication 객체를 생성하고 // authentication 메서드가 실행될 때 // CustomUserDetailsService에서 만든 loadUserbyUsername 메서드가 실행 Authentication authentication = authenticationManagerBuilder .getObject().authenticate(authenticationToken); log.info("----------------------"); log.info("authentication : " + authentication); log.info("----------------------"); // 해당 객체를 SecurityContextHolder에 저장 SecurityContextHolder.getContext().setAuthentication(authentication); // authentication 객체를 createToken 메소드를 통해서 생성 // 인증 정보를 기반으로 생성 TokenDTO tokenDTO = jwtProvider.createToken(authentication); log.info("----------------------"); log.info("tokenDTO : " + tokenDTO); log.info("----------------------"); HttpHeaders headers = new HttpHeaders(); // response header에 jwt token을 넣어줌 headers.add(JwtAuthenticationFilter.HEADER_AUTHORIZATION, "Bearer " + tokenDTO); log.info("----------------------"); log.info("headers : " + headers); log.info("----------------------"); MemberEntity member = memberRepository.findByUserEmail(userEmail); log.info("member : " + member); TokenEntity tokenEntity = TokenEntity.builder() .grantType(tokenDTO.getGrantType()) .accessToken(tokenDTO.getAccessToken()) .refreshToken(tokenDTO.getRefreshToken()) .userEmail(tokenDTO.getUserEmail()) .nickName(member.getNickName()) .userId(member.getUserId()) .build(); log.info("token : " + tokenEntity); tokenRepository.save(tokenEntity); return new ResponseEntity<>(tokenDTO, headers, HttpStatus.OK); }package com.example.project1.config.auth; import com.example.project1.entity.member.MemberEntity; import lombok.Getter; import lombok.Setter; import lombok.ToString; 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; @Setter @Getter @ToString public class PrincipalDetails implements UserDetails, OAuth2User { private MemberEntity member; private Map<String, Object> attributes; // 일반 로그인 public PrincipalDetails(MemberEntity member) { this.member = member; } // OAuth2 로그인 public PrincipalDetails(MemberEntity member, Map<String, Object> attributes) { this.member = member; this.attributes = attributes; } // 해당 유저의 권한을 리턴하는 곳 @Override public Collection<? extends GrantedAuthority> getAuthorities() { Collection<GrantedAuthority> collection = new ArrayList<>(); collection.add(new GrantedAuthority() { @Override public String getAuthority() { return "ROLE_" + member.getUserType().toString(); } }); return collection; } // 사용자 패스워드를 반환 @Override public String getPassword() { return member.getUserPw(); } // 사용자 이름 반환 @Override public String getUsername() { return member.getUserEmail(); } // 계정 만료 여부 반환 @Override public boolean isAccountNonExpired() { // 만료되었는지 확인하는 로직 // true = 만료되지 않음 return true; } // 계정 잠금 여부 반환 @Override public boolean isAccountNonLocked() { // true = 잠금되지 않음 return true; } // 패스워드의 만료 여부 반환 @Override public boolean isCredentialsNonExpired() { // 패스워드가 만료되었는지 확인하는 로직 // true = 만료되지 않음 return true; } // 계정 사용 가능 여부 반환 @Override public boolean isEnabled() { // 계정이 사용 가능한지 확인하는 로직 // true = 사용 가능 return true; } @Override public Map<String, Object> getAttributes() { return attributes; } @Override public String getName() { return null; } }@Service @RequiredArgsConstructor @Slf4j public class PrincipalDetailsService implements UserDetailsService { private MemberRepository memberRepository; // 시큐리티 session = Authentication = UserDetails // 함수 종료시 @AuthenticationPrincipal 어노테이션이 만들어진다. @Override public UserDetails loadUserByUsername(String userEmail) throws UsernameNotFoundException { MemberEntity member = memberRepository.findByUserEmail(userEmail); log.info("user : " + member); return new PrincipalDetails(member); } }package com.example.project1.config.jwt; import com.example.project1.domain.jwt.TokenDTO; import io.jsonwebtoken.*; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Value; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; import org.springframework.security.core.Authentication; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.security.core.userdetails.User; import org.springframework.stereotype.Component; import io.jsonwebtoken.security.Keys; import javax.xml.bind.DatatypeConverter; import java.security.Key; import java.util.Arrays; import java.util.Collection; import java.util.Date; import java.util.stream.Collectors; @Slf4j @Component public class JwtProvider { private static final String AUTHORITIES_KEY = "auth"; @Value("${jwt.access.expiration}") private long accessTokenTime; @Value("${jwt.refresh.expiration}") private long refreshTokenTime; private Key key; public JwtProvider( @Value("${jwt.secret_key}") String secret_key) { byte[] secretByteKey = DatatypeConverter.parseBase64Binary(secret_key); this.key = Keys.hmacShaKeyFor(secretByteKey); } // 유저 정보를 가지고 AccessToken, RefreshToken 을 생성하는 메소드 public TokenDTO createToken(Authentication authentication) { // 권한 가져오기 String authorities = authentication.getAuthorities().stream() .map(GrantedAuthority::getAuthority) .collect(Collectors.joining(",")); long now = (new Date()).getTime(); Date now2 = new Date(); // AccessToken 생성 Date accessTokenExpire = new Date(now + this.accessTokenTime); String accessToken = Jwts.builder() // 내용 sub : 유저의 이메일 // 토큰 제목 .setSubject(authentication.getName()) // 클레임 id : 유저 ID .claim(AUTHORITIES_KEY, authorities) // 내용 exp : 토큰 만료 시간, 시간은 NumericDate 형식(예: 1480849143370)으로 하며 // 항상 현재 시간 이후로 설정합니다. .setExpiration(accessTokenExpire) // 서명 : 비밀값과 함께 해시값을 ES256 방식으로 암호화 .signWith(key, SignatureAlgorithm.HS256) .compact(); log.info("accessToken : " + accessToken); // RefreshToken 생성 Date refreshTokenExpire = new Date(now + this.refreshTokenTime); String refreshToken = Jwts.builder() .setSubject(authentication.getName()) .claim(AUTHORITIES_KEY, authorities) .setExpiration(refreshTokenExpire) .signWith(key, SignatureAlgorithm.HS256) .compact(); log.info("refreshToken : " + refreshToken); return TokenDTO.builder() .grantType("Bearer") .accessToken(accessToken) .refreshToken(refreshToken) // principalDeatails에서 getUserName 메소드가 반환한 것을 담아준다. // 이메일을 반환하도록 구성했으니 이메일이 반환됩니다. .userEmail(authentication.getName()) .build(); } // accessToken 생성 public TokenDTO createAccessToken(String userEmail) { Long now = (new Date()).getTime(); Date now2 = new Date(); Date accessTokenExpire = new Date(now + this.accessTokenTime); String accessToken = Jwts.builder() .setIssuedAt(now2) .setSubject(userEmail) .setExpiration(accessTokenExpire) .signWith(key, SignatureAlgorithm.HS256) .compact(); log.info("accessToken : " + accessToken); return TokenDTO.builder() .grantType("Bearer ") .accessToken(accessToken) .userEmail(userEmail) .build(); } // JWT 토큰을 복호화하여 토큰에 들어있는 정보를 꺼내는 코드 // 토큰으로 클레임을 만들고 이를 이용해 유저 객체를 만들어서 최종적으로 authentication 객체를 리턴 // 인증 정보 조회 public Authentication getAuthentication(String token) { // 토큰 복호화 메소드 Claims claims = parseClaims(token); if(claims.get("auth") == null) { throw new RuntimeException("권한 정보가 없는 토큰입니다."); } // 클레임 권한 정보 가져오기 Collection<? extends GrantedAuthority> authorities = Arrays.stream(claims.get(AUTHORITIES_KEY).toString().split(",")) .map(SimpleGrantedAuthority::new) .collect(Collectors.toList()); // UserDetails 객체를 만들어서 Authentication 리턴 User principal = new User(claims.getSubject(), "", authorities); return new UsernamePasswordAuthenticationToken(principal, token, authorities); } private Claims parseClaims(String token) { try { return Jwts.parserBuilder() .setSigningKey(key) .build() .parseClaimsJws(token) .getBody(); } catch (ExpiredJwtException e) { log.info("ExpiredJwtException : " + e.getMessage()); log.info("ExpiredJwtException : " + e.getClaims()); return e.getClaims(); } } // 토큰의 유효성 검증을 수행 public boolean validateToken(String token) { try { Jwts.parserBuilder() .setSigningKey(key) .build() .parseClaimsJws(token); return true; } catch (io.jsonwebtoken.security.SecurityException | MalformedJwtException e) { log.info("잘못된 JWT 서명입니다."); } catch (ExpiredJwtException e) { log.info("만료된 JWT 토큰입니다."); } catch (UnsupportedJwtException e) { log.info("지원되지 않는 JWT 토큰입니다."); }catch (IllegalArgumentException e) { log.info("JWT 토큰이 잘못되었습니다."); } return false; } }@RequiredArgsConstructor @Slf4j public class JwtAuthenticationFilter extends GenericFilterBean { public static final String HEADER_AUTHORIZATION = "Authorization"; private final JwtProvider jwtProvider; // doFilter는 토큰의 인증정보를 SecurityContext에 저장하는 역할 수행 @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpServletRequest = (HttpServletRequest) request; // Request Header에서 JWT 토큰을 추출 String jwt = resolveToken(httpServletRequest); String requestURI = httpServletRequest.getRequestURI(); if(StringUtils.hasText(jwt) && jwtProvider.validateToken(jwt)){ // 토큰이 유효할 경우 토큰에서 Authentication 객체를 가지고 와서 SecurityContext에 저장 Authentication authentication = jwtProvider.getAuthentication(jwt); SecurityContextHolder.getContext().setAuthentication(authentication); log.info("Security Context에 '{}' 인증 정보를 저장했습니다., uri : {}", authentication.getName(), requestURI); } else { log.debug("유효한 JWT 토큰이 없습니다. uri : {}", requestURI); } chain.doFilter(request, response); } // Request Header 에서 토큰 정보를 꺼내오기 위한 메소드 private String resolveToken(HttpServletRequest httpServletRequest) { String bearerToken = httpServletRequest.getHeader(HEADER_AUTHORIZATION); if(StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) { return bearerToken.substring(7); } else { return null; } } }대략 적인 코드는 다음과 같습니다.근데 컨트롤러에서 로그인 시 Exception에 걸려서 문제가 있다고 문구 찍은게 나오네요. log 돌려보니까 service에서 authenticationToken객체는 나오는데 authentication 여기서 부터 안나오는거 보니 여기서 문제가 있는거 같은데 400번 bad Request가 뜹니다 ㅠㅠ 질문2) 현재 방법이 UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(userEmail, userPw);을 통해서 authentication으로 token을 생성하고 있는데 그냥 userEmail로만 받고 // accessToken 생성 public TokenDTO createAccessToken(String userEmail) { Long now = (new Date()).getTime(); Date now2 = new Date(); Date accessTokenExpire = new Date(now + this.accessTokenTime); String accessToken = Jwts.builder() .setIssuedAt(now2) .setSubject(userEmail) .setExpiration(accessTokenExpire) .signWith(key, SignatureAlgorithm.HS256) .compact(); log.info("accessToken : " + accessToken); return TokenDTO.builder() .grantType("Bearer ") .accessToken(accessToken) .userEmail(userEmail) .build(); }이런식으로 토큰을 생성해도 괜찮나요?질문3) JwtAuthenticationFilter 클래스에서 @RequiredArgsConstructor @Slf4j public class JwtAuthenticationFilter extends GenericFilterBean { public static final String HEADER_AUTHORIZATION = "Authorization"; private final JwtProvider jwtProvider; // doFilter는 토큰의 인증정보를 SecurityContext에 저장하는 역할 수행 @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpServletRequest = (HttpServletRequest) request; // Request Header에서 JWT 토큰을 추출 String jwt = resolveToken(httpServletRequest); String requestURI = httpServletRequest.getRequestURI(); if(StringUtils.hasText(jwt) && jwtProvider.validateToken(jwt)){ // 토큰이 유효할 경우 토큰에서 Authentication 객체를 가지고 와서 SecurityContext에 저장 Authentication authentication = jwtProvider.getAuthentication(jwt); SecurityContextHolder.getContext().setAuthentication(authentication); log.info("Security Context에 '{}' 인증 정보를 저장했습니다., uri : {}", authentication.getName(), requestURI); } else { log.debug("유효한 JWT 토큰이 없습니다. uri : {}", requestURI); } chain.doFilter(request, response); } // Request Header 에서 토큰 정보를 꺼내오기 위한 메소드 private String resolveToken(HttpServletRequest httpServletRequest) { String bearerToken = httpServletRequest.getHeader(HEADER_AUTHORIZATION); if(StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) { return bearerToken.substring(7); } else { return null; } } }이 처리를 해줬으니 만약 access token이 만료되서 refresh token을 보내서 access token을 발급받으려고 할 때 Bearer가 있는지 확인을 더 해줄 필요 없이 여기서 처리하니 바로 header에 담겨온 refresh token을 빼와서 유효성 검사를 해주고 access token을 발급해주면 되나요?

 안녕하세요. 정말 재밌고 알찬 강의 잘 보고 있습니다. 영상에 추가가 안 된 부분인거 같아 질문 올립니다.DataSource 자동 구성 클래스 강의 중에 'DataSourceConfig' 클래스를 정의하고, com.southouse.config.MyAutoConfiguration.imports에 패키지 이름을 추가해줘야 하는데 이 부분이 영상에서 빠진거 같아서요.

Database "~" not found 떠서 오류 뜨시는분들이렇게 base에 jpashop.mv.db가 생성되지 않아서 생기는 문제같습니다../h2.sh로 h2 실행한 후 맥이든 윈도우든 상단이나 우측하단의 h2아이콘을 클릭한 후 create new database를 생성합니다. 여기서 그냥 넣게되면 h2의 bin폴더에 생성되면서 제대로 실행이 안됩니다.그래서 제가 해결한 방법은 h2폴더의 bin폴더에서를 기준으로 한 절대경로로 base까지 이동한 다음 마지막에 jpashop을 기입한다면 원준님 사진처럼 나옵니다. 그리고 해결됩니다 ex)../../../../jpashop 이런식으로요강의 듣느라 고생많으신데 빨리 해결하고 넘어가시면 좋겠습니다!정리하자면1. ./h2.sh 실행2. h2아이콘에서 create new database3. 절대경로로 h2/bin에서 base경로까지 이동해 jpashop으로 파일이름 넣기4. jdbc:h2:tcp://localhost/~/jpashop 이후 실행되실겁니다

잘 실행됐었고 아무것도 건든게 없는데 갑자기 실행버튼 비활성화 돼서Configuration에서 메인 클래스 지정하려는데 안되고캐시 초기화해도 안되고Reload all from disk 해도 안되고Mark directory as 로 Sources Root로 설정해도 안되고.idea 폴더 삭제해도 다시 생성되고 다 안되는데도와주시면 감사하겠습니다.. 

시큐리티 10강 페이스북 로그인을 하려고 하면WARN 24016 --- [nio-8080-exec-2] o.a.c.util.SessionIdGeneratorBase : Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [231] milliseconds.이런 에러가 발생합니다. 이 에러가 발생하기 전에 2. JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning 이 에러가 먼저 발생해서 application.yml에 jpa: open-in-view: false이 코드를 추가해서 고쳤습니다. 2번을 고치고 나서 다시 실행해보니 1번 에러가 발생했는데 어떻게 고쳐야할지 모르겠습니다.

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. 1:10 쯤 testcase 를 위한 package 생성을 하는데 제 파일은 패키지가 아닌건지 패키지를 생성할 수 있는 버튼이 뜨지 않습니다. 왜 이럴까요 ㅜㅜ

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.Test자바 파일 실행시,"C:\Program Files\Java\jdk-20\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\lib\idea_rt.jar=57983:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\bin" -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\lib\idea_rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\plugins\junit\lib\junit5-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 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b71b400e4136fc3a286f50e34a68ecb7\angus-activation-2.0.1.jar;C:\Users\Me\.gradle\caches\modules-2\files-2.1\org.glassfish.jaxb\txw2\4.0.3\47b8fe31c6d1a3382203af919400527389e01e9c\txw2-4.0.3.jar;C:\Users\Me\.gradle\caches\modules-2\files-2.1\com.sun.istack\istack-commons-runtime\4.1.2\18ec117c85f3ba0ac65409136afa8e42bc74e739\istack-commons-runtime-4.1.2.jar" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit4 jpabook.jpashop.MemberRepositoryTest23:14:14.131 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils -- Could not detect default configuration classes for test class [jpabook.jpashop.MemberRepositoryTest]: MemberRepositoryTest does not declare any static, non-private, non-final, nested classes annotated with @Configuration.23:14:14.250 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper -- Found @SpringBootConfiguration jpabook.jpashop.JpashopApplication for test class jpabook.jpashop.MemberRepositoryTest처럼 뜨고 DB에 MEMBER 테이블이 생성되지 않습니다. 무엇이 문제일까요

엔티티 설계시 주의점 강의13:52/27:32 부분에서 JPA에서 컬렉션을 표현하는 클래스로 지연로딩 전략을 사용할때 PersistentBag을 사용하는걸로 알고 있습니다.컬렉션 필드를 매핑하기위해 toMany 애노테이션인 관계에서는 컬렉션 필드를 PersistentBag으로 관리하는다는데 이걸 set으로 새 컬렉션을 넣는건 예외가 발생할수 있다고 하셨습니다. 그러면 아예 사용할때부터 변경할수 없게final로 지정을 하는건 안되나요?

1. 강의 내용과 관련된 질문인가요? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 아니오[질문 내용]강의 마지막에 강사님께서 디자이너, 웹 퍼블리셔, 백엔드 개발자가 협업하여 서비스를 제작하게 된다는 설명을 해주셨습니다. 참고 부분에서 질문하고 싶은 부분이 있습니다. 마지막 문장에서 "백엔드 개발자는 HTML 뷰 템플릿을 직접 만지는 대신에, HTTP API를 통해 웹 클라이언트가 필요로 하는 데이터와 기능을 제공하면 된다."라고 적혀있었는데 HTTP API를 설계하는 것은 백엔드 개발자가 하는 것은 당연하지만, 어떤 HTTP API를 요구하는 지에 대해서는 프론트엔드 개발자가 하는 것인지 백엔드 개발자가 하는 것인지는 궁금합니다.설명을 덧붙이자면 디자이너분이 제공한 게시판 뷰가 있을 때 제공된 뷰에서 프론트 엔드 개발자가 화면을 만들기 위해서 백엔드 개발자에게 API를 요구하는 편이 일반적인지 혹은 백엔드 개발자가 API를 설계하여 일방적으로 프론트 개발자에게 제공하는게 일반적인지 궁금합니다. 감사합니다.

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예[질문 내용]여기에 질문 내용을 남겨주세요.new-form.jsp는 잘 접속이 되는데전송을 누르면 아래와 같이 오류가 발생합니다."C:\Program Files\Java\jdk-17.0.2\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.3.2\lib\idea_rt.jar=64020:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.3.2\bin" -Dfile.encoding=UTF-8 -classpath C:\Users\user\Desktop\여름방학\mvc1\servlet\servlet\out\production\classes;C:\Users\user\Desktop\여름방학\mvc1\servlet\servlet\out\production\resources;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-data-jpa\3.0.6\d0b6b836a6e3a223a92e6594c2d8c5f0a7cccec\spring-boot-starter-data-jpa-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-web\3.0.6\7c6597cae584c359d7e4ddea6e006176e0c15936\spring-boot-starter-web-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.annotation\jakarta.annotation-api\2.1.1\48b9bda22b091b1f48b13af03fe36db3be6e1ae3\jakarta.annotation-api-2.1.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.persistence\jakarta.persistence-api\3.1.0\66901fa1c373c6aff65c13791cc11da72060a8d6\jakarta.persistence-api-3.1.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.github.gavlyukovskiy\p6spy-spring-boot-starter\1.9.0\b51740224ed4f0cdca7ba93fe9167e7b97064f41\p6spy-spring-boot-starter-1.9.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.querydsl\querydsl-jpa\5.0.0\2a653852848dee41b967d3520be3339f0f92f1ea\querydsl-jpa-5.0.0-jakarta.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.apache.tomcat.embed\tomcat-embed-jasper\10.1.8\eefcfd4e175ca6a6db9fc1444bf452ebcf2956a0\tomcat-embed-jasper-10.1.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.servlet.jsp.jstl\jakarta.servlet.jsp.jstl-api\3.0.0\8ace30b09ce88dc6f19d4f59251cc83a23cc180a\jakarta.servlet.jsp.jstl-api-3.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.servlet\jakarta.servlet-api\6.0.0\abecc699286e65035ebba9844c03931357a6a963\jakarta.servlet-api-6.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.glassfish.web\jakarta.servlet.jsp.jstl\3.0.1\78909a1354585b2a7a2d3b4e348fceff8b6d180\jakarta.servlet.jsp.jstl-3.0.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.data\spring-data-jpa\3.0.5\84987fbd727eb0cf2f164dd07fe2bd697ddde8f1\spring-data-jpa-3.0.5.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-aop\3.0.6\bb39de062db9b7b7a277e6c026ed5ac45f544fc8\spring-boot-starter-aop-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-jdbc\3.0.6\672661f4a90a9479170fba058a88892dac5ba69c\spring-boot-starter-jdbc-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.hibernate.orm\hibernate-core\6.1.7.Final\343f47b34c96fe9c44bf9b219a7b3c5d6d2fc90e\hibernate-core-6.1.7.Final.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-aspects\6.0.8\53e6f4b4136b40cc0a7137fb05e38b45c2c286fe\spring-aspects-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-json\3.0.6\e0a1dd1653750a8e0a25b7b6be977231d7fa607e\spring-boot-starter-json-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter\3.0.6\1029c155da41fa04820cf81fdbe5752260eead5\spring-boot-starter-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-tomcat\3.0.6\feae12210905b6cb7ce8affce4f309665c4a805b\spring-boot-starter-tomcat-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-webmvc\6.0.8\10b9481118ecf8ae9dc6f9fb47f95ed6da0e43e\spring-webmvc-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-web\6.0.8\b2d3643c5dd191b07c642adca0de40c303bb7505\spring-web-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.github.gavlyukovskiy\datasource-decorator-spring-boot-autoconfigure\1.9.0\831a15b04e176cd41c0539cda6194ac3e6b715ff\datasource-decorator-spring-boot-autoconfigure-1.9.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\p6spy\p6spy\3.9.0\7fedf78cc1e53a623a7b36d1f2705790836400aa\p6spy-3.9.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.querydsl\querydsl-core\5.0.0\7a469f78b7a89bae429f17766fb92687d0ab9e5b\querydsl-core-5.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.apache.tomcat.embed\tomcat-embed-core\10.1.8\ec4b884806c65c80c86bb3db134f6f6f99e79ed8\tomcat-embed-core-10.1.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.apache.tomcat.embed\tomcat-embed-el\10.1.8\6f3a4ae2ae37270eeb6e9bec4e7207facdc9e8fa\tomcat-embed-el-10.1.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.eclipse.jdt\ecj\3.33.0\4041d27ffea3c9351e3121f9bfe94dea4723d583\ecj-3.33.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.el\jakarta.el-api\5.0.0\2a22b304920f43d6427cdefb5ce5f6726e2a63a3\jakarta.el-api-5.0.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-context\6.0.8\4550c5e2bbb8cd07647b1b29b47c73cf4732de8c\spring-context-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-aop\6.0.8\36c4cf00bab58bbcd60134a154e290185fa71bfa\spring-aop-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-orm\6.0.8\97d41b8e4e9823e611cd49aa10730c4055720cb4\spring-orm-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.data\spring-data-commons\3.0.5\bd41ef8c15f83b2dcd699e358f6565d650280a0a\spring-data-commons-3.0.5.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-tx\6.0.8\d12a11ae6a6a6cb76bcbbf2d496abd25adac4a98\spring-tx-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-beans\6.0.8\86393eaf6ace0a84aeb42d3bebaa3c0a660deaed\spring-beans-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-core\6.0.8\70c3748212ba1a64978e4ed1a3e5050204f1fe15\spring-core-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.slf4j\slf4j-api\2.0.7\41eb7184ea9d556f23e18b5cb99cad1f8581fc00\slf4j-api-2.0.7.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.aspectj\aspectjweaver\1.9.19\afbffb1210239fbba5cad73093c5b216d515838f\aspectjweaver-1.9.19.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.zaxxer\HikariCP\5.0.1\a74c7f0a37046846e88d54f7cb6ea6d565c65f9c\HikariCP-5.0.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-jdbc\6.0.8\3f8e24e37d4ab6982c3979a6d19955023f93f145\spring-jdbc-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\jakarta.transaction\jakarta.transaction-api\2.0.1\51a520e3fae406abb84e2e1148e6746ce3f80a1a\jakarta.transaction-api-2.0.1.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.datatype\jackson-datatype-jsr310\2.14.2\796518148a385b2728d44886cc0f8852eb8eeb53\jackson-datatype-jsr310-2.14.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.module\jackson-module-parameter-names\2.14.2\2b6c19b3d99dda02915515df879ab9e23fed3864\jackson-module-parameter-names-2.14.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.datatype\jackson-datatype-jdk8\2.14.2\2f3c71211b6ea7a978eba33574d7135d536e07fb\jackson-datatype-jdk8-2.14.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-databind\2.14.2\1e71fddbc80bb86f71a6345ac1e8ab8a00e7134\jackson-databind-2.14.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-autoconfigure\3.0.6\8ccd83b2530c96595f92b4e07c1bb17560bfba8b\spring-boot-autoconfigure-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot\3.0.6\95ac2c7aa28fcdef587b2c4f554016f8b9af624\spring-boot-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-starter-logging\3.0.6\fbbba25bd9870f9a85dd282133019750b79ad9eb\spring-boot-starter-logging-3.0.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.yaml\snakeyaml\1.33\2cd0a87ff7df953f810c344bdf2fe3340b954c69\snakeyaml-1.33.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.apache.tomcat.embed\tomcat-embed-websocket\10.1.8\7abb8ab966dd135924c8e69cb2f1db735dee5f23\tomcat-embed-websocket-10.1.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-expression\6.0.8\2e4f2132fbf168e716a618442d6100b71a0e95f9\spring-expression-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\io.micrometer\micrometer-observation\1.10.6\2026f75e43d1354530d70be6e88221a46d696ca8\micrometer-observation-1.10.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.mysema.commons\mysema-commons-lang\0.2.4\d09c8489d54251a6c22fbce804bdd4a070557317\mysema-commons-lang-0.2.4.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.apache.tomcat\tomcat-annotations-api\10.1.8\1f26901ba8b329a65d063c15c81fd9c757b64feb\tomcat-annotations-api-10.1.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.springframework\spring-jcl\6.0.8\72aa4dd5eaaede821d3f2ec856c2365c2042a326\spring-jcl-6.0.8.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-annotations\2.14.2\a7aae9525864930723e3453ab799521fdfd9d873\jackson-annotations-2.14.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\com.fasterxml.jackson.core\jackson-core\2.14.2\f804090e6399ce0cf78242db086017512dd71fcc\jackson-core-2.14.2.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\ch.qos.logback\logback-classic\1.4.7\307944865579a6d490e6a4cbb5082dc8f36536ca\logback-classic-1.4.7.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.apache.logging.log4j\log4j-to-slf4j\2.19.0\30f4812e43172ecca5041da2cb6b965cc4777c19\log4j-to-slf4j-2.19.0.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\org.slf4j\jul-to-slf4j\2.0.7\a48f44aeaa8a5ddc347007298a28173ac1fbbd8b\jul-to-slf4j-2.0.7.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\io.micrometer\micrometer-commons\1.10.6\ddbcbabad244c79537c918422ad3ba66e1a773b4\micrometer-commons-1.10.6.jar;C:\Users\user\.gradle\caches\modules-2\files-2.1\ch.qos.logback\logback-core\1.4.7\a2948dae4013d0e9486141b4d638d8951becb767\logback-core-1.4.7.jar;C:\Users\user\.gradle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hello.servlet.ServletApplication. ____ _/\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \\\/ ___)| |_)| | | | | || (_| | ) ) ) )' |____| .__|_| |_|_| |_\__, | / / / /=========|_|==============|___/=/_/_/_/:: Spring Boot :: (v3.0.6)2023-07-10T21:21:29.054+09:00 INFO 18224 --- [ main] hello.servlet.ServletApplication : Starting ServletApplication using Java 17.0.2 with PID 18224 (C:\Users\user\Desktop\여름방학\mvc1\servlet\servlet\out\production\classes started by user in C:\Users\user\Desktop\여름방학\mvc1\servlet\servlet)2023-07-10T21:21:29.057+09:00 INFO 18224 --- [ main] hello.servlet.ServletApplication : No active profile set, falling back to 1 default profile: "default"2023-07-10T21:21:29.690+09:00 INFO 18224 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.2023-07-10T21:21:29.722+09:00 INFO 18224 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 21 ms. Found 0 JPA repository interfaces.2023-07-10T21:21:30.369+09:00 INFO 18224 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)2023-07-10T21:21:30.380+09:00 INFO 18224 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]2023-07-10T21:21:30.380+09:00 INFO 18224 --- [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.8]2023-07-10T21:21:30.613+09:00 INFO 18224 --- [ main] org.apache.jasper.servlet.TldScanner : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.2023-07-10T21:21:30.622+09:00 INFO 18224 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2023-07-10T21:21:30.623+09:00 INFO 18224 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1515 ms2023-07-10T21:21:30.874+09:00 INFO 18224 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...2023-07-10T21:21:31.055+09:00 INFO 18224 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection conn0: url=jdbc:h2:mem:2a429fff-9c3c-4c40-906c-f7cb210a3f6a user=SA2023-07-10T21:21:31.057+09:00 INFO 18224 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.2023-07-10T21:21:31.109+09:00 INFO 18224 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]2023-07-10T21:21:31.171+09:00 INFO 18224 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.1.7.Final2023-07-10T21:21:31.473+09:00 INFO 18224 --- [ main] SQL dialect : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect2023-07-10T21:21:31.720+09:00 INFO 18224 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]2023-07-10T21:21:31.734+09:00 INFO 18224 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'2023-07-10T21:21:31.767+09:00 WARN 18224 --- [ main] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning2023-07-10T21:21:31.964+09:00 INFO 18224 --- [ main] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page: ServletContext resource [/index.html]2023-07-10T21:21:32.242+09:00 INFO 18224 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''2023-07-10T21:21:32.251+09:00 INFO 18224 --- [ main] hello.servlet.ServletApplication : Started ServletApplication in 3.565 seconds (process running for 3.966)2023-07-10T21:21:38.052+09:00 DEBUG 18224 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [0]2023-07-10T21:21:38.053+09:00 DEBUG 18224 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received [POST /jsp/members/save.jsp HTTP/1.1Host: localhost:8080Connection: keep-aliveContent-Length: 19Cache-Control: max-age=0sec-ch-ua: "Not.A/Brand";v="8", "Chromium";v="114", "Google Chrome";v="114"sec-ch-ua-mobile: ?0sec-ch-ua-platform: "Windows"Upgrade-Insecure-Requests: 1Origin: http://localhost:8080Content-Type: application/x-www-form-urlencodedUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Sec-Fetch-Site: same-originSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentReferer: http://localhost:8080/jsp/members/new-form.jspAccept-Encoding: gzip, deflate, brAccept-Language: ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7Cookie: JSESSIONID=3F23CBF50B03D193E74C819FC83D3488username=kim&age=20]2023-07-10T21:21:38.623+09:00 ERROR 18224 --- [nio-8080-exec-1] o.a.c.c.C.[.[localhost].[/].[jsp] : Servlet.service() for servlet [jsp] in context with path [] threw exception [Unable to compile class for JSP:An error occurred at line: [14] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.MemberRepository resolves to a packageAn error occurred at line: [15] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.Member resolves to a packageAn error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved to a type3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>Stacktrace:] with root causeorg.apache.jasper.JasperException: Unable to compile class for JSP:An error occurred at line: [14] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.MemberRepository resolves to a packageAn error occurred at line: [15] in the generated java file: [C:\Users\user\AppData\Local\Temp\tomcat.8080.1494250641129783002\work\Tomcat\localhost\ROOT\org\apache\jsp\jsp\members\save_jsp.java]Only a type can be imported. hello.servlet.domain.member.Member resolves to a packageAn error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved to a type3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [6] in the jsp file: [/jsp/members/save.jsp]MemberRepository cannot be resolved3: <%@ page contentType="text/html;charset=UTF-8" language="java" %>4: <%5: // request, response 사용 가능6: MemberRepository memberRepository = MemberRepository.getInstance();7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>An error occurred at line: [10] in the jsp file: [/jsp/members/save.jsp]Member cannot be resolved to a type7: System.out.println("save.jsp");8: String username = request.getParameter("username");9: int age = Integer.parseInt(request.getParameter("age"));10: Member member = new Member(username, age);11: System.out.println("member = " + member);12: memberRepository.save(member);13: %>Stacktrace:at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:213) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:513) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.Compiler.compile(Compiler.java:402) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.Compiler.compile(Compiler.java:372) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) ~[tomcat-embed-jasper-10.1.8.jar:10.1.8]at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614) ~[jakarta.servlet-api-6.0.0.jar:6.0.0]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-embed-websocket-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.8.jar:6.0.8]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.8.jar:6.0.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.8.jar:6.0.8]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.8.jar:6.0.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.8.jar:6.0.8]at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.8.jar:6.0.8]at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:166) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:894) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1741) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.8.jar:10.1.8]at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]2023-07-10T21:21:38.633+09:00 INFO 18224 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet'2023-07-10T21:21:38.634+09:00 INFO 18224 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'2023-07-10T21:21:38.635+09:00 INFO 18224 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 1 ms2023-07-10T21:21:38.743+09:00 DEBUG 18224 --- [nio-8080-exec-1] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@53f4c2e:org.apache.tomcat.util.net.NioChannel@1e491a57:java.nio.channels.SocketChannel[connected local=/[0:0:0:0:0:0:0:1]:8080 remote=/[0:0:0:0:0:0:0:1]:64023]], Status in: [OPEN_READ], State out: [CLOSED]  

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? 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예 [질문 내용] 안녕하세요, 영한님 강의를 수강 하고 있는 수강생 입니다.  다름이 아니라, 블로그 작성에 있어 영한님 강의자료 PDF 이미지를 사용해도 괜찮을까요?(PDF의 Diagram이 인용 가능한 라이센스인지 확인하고자 문의 드립니다!)

안녕하세요강의에서는 resource 서버가 받은 토큰 검증 과정에서 opaqueToken을 사용하고 있는데요.JWT 경우로 질문을 드리고 싶습니다.JWT토큰도 opaqueToken과 마찬가지로 oauth2/revoke api를 호출하면 정상적으로 meta.invalidated 필드가 true로 변경되는 것을 확인했습니다.해당 필드가 true로 변경되었음에도 불과하고 resource 서버에 동일한 토큰으로 요청을 보내도 정상적으로 동작하고 있는 것을 확인했는데요. jwtToken 방식의 경우에는 토큰 검증시 최초에만 jwkSet을 가져오기 위해 한번만 authorization server를 호출하고 이후에는 내부적으로 jwtDecoder를 사용해 검증하는 것으로 보입니다. 결론적으로 jwtToken을 사용할때는 oauth2/revoke를 통해 meta.invalidated 값과 무관하게 토큰 만료 전까지는 지속적으로 접근이 가능한 것으로 보이는데요.제가 이해한 흐름이 맞을까요?

만약에 JPARepository를 사용하면 orderItemRepository도 따로 만들어서 orderItemRepository.save()를 이용하는게 맞는건가요??

JDK17을 사용하면서, `Spring`의 추가를 하지않고 진행을 하면서 보니 아래의 이미지와 같은 오류가 발생하네요.확인을 해보니, JDK16부터 Issue가 발생되었던것 같아보입니다. 제가 참고한 글은 https://github.com/cglib/cglib/issues/191 글이었습니다. 해결법은 위의 issue에 나와있는 그대로, VMOptions항목에 --add-opens java.base/java.lang=ALL-UNNAME를 추가하였습니다. 아래의 사진처럼요.혹시 실습해보고 싶은데 안되는 분들중, 유사한 오류가 나시는 분들은 참고하시기 바랍니다.

둘중에서 war 는 서버에 배포용이라고 하셧는데 포토폴리오 만들때 서버에 배포용으로 하려고 하면 war로 선택해서 프로젝트를 생성하야하나요? 아니면 jar 로 해도 상관없나요? 포토폴리오는 도메인과 서버를 구매해서 쓸 예정입니다.