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138만명의 커뮤니티!! 함께 토론해봐요.
인프런 TOP Writers
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미해결자바 ORM 표준 JPA 프로그래밍 - 기본편
연관 관계 주인을 FK 없는 테이블의 엔티티로 지정했을 때 관련 질문입니다!
[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! 항상 강의 잘 듣고 있습니다 감사합니다 :-)다름이 아니라, <양방향 연관관계와 연관관계의 주인 1- 기본> 강의의 18분 쯤에 설명주시는 내용 중 FK가 존재하지 않는 Team을 연관 관계의 주인으로 지정하면, Member를 연관 관계의 주인으로 지정했을 때보다 INSERT 외 UPDATE와 같은 더 많은 불필요한 SQL 쿼리가 발생한다고 언급하신 부분이 정확하게 머릿속에 개념이 잡히지 않습니다 ㅠㅠ 혹시 추가적인 설명이나 예시를 주실 수 있을까요..?
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
6분28 초 카테고리 부모와 자식
@ManyToOne @JoinColumn(name = "parent_id") private Category parent; @OneToMany(mappedBy = "parent") private List<Category> child = new ArrayList<>();부모와 자식을 이렇게 설정해준다는데,부모를 Many To One자식을 One To Many 로 해주는게 이해가 안갑니다.왜 이렇게 연관관계를 설정해 줘야 하는건가요?
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
Embeded 값 타입이 Delivery 에만 생성되고, Member 에는 생성이 안됩니다.
Address.javapackage jpabook.jpashop.domain; import lombok.Getter; import lombok.Setter; import javax.persistence.Embeddable; @Embeddable @Getter public class Address { private String city; private String street; private String zipcode; protected Address() { } public Address(String city, String street, String zipcode) { this.city = city; this.street = street; this.zipcode = zipcode; } } Member.javapackage jpabook.jpashop.domain; import lombok.Getter; import lombok.Setter; import org.apache.tomcat.jni.Address; import javax.persistence.*; import java.util.ArrayList; import java.util.List; @Entity @Getter @Setter public class Member { @Id @GeneratedValue @Column(name = "member_id") private Long id; private String username; @Embedded private Address address; @OneToMany(mappedBy = "member") private List<Order> orders = new ArrayList<>(); } Delivery.javapackage jpabook.jpashop.domain; import javax.persistence.*; @Entity public class Delivery { @Id @GeneratedValue @Column(name = "delivery_id") private Long id; @OneToOne(fetch = FetchType.LAZY, mappedBy = "delivery") private Order order; @Embedded private Address address; @Enumerated(EnumType.STRING) private DeliveryStatus status; // ENUM [READY(준비), COMP(배송) } 코드는 위와 같습니다. 질문란에 검색을 해보니 과거에 저랑 완전히 똑같은 증상이 있으셨던 분이 질문 글을 남겨놓았더군요. 내용에 Member 테이블을 삭제한 후 다시 빌드한 뒤에 실행한 뒤 정상 작동했다고 확인했습니다. 저같은 경우는 어쩐 연유인지 테이블을 삭제하고 다시 실행해봐도 되지가 않아서 따로 문의드립니다. 🙏
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
강의3분13초_중간테이블
category와 item 은 서로 다대다 관계인데, 관계형 db는 다대다관계인경우 중간테이블을 설정해야 해서 category_item테이블이 온다 라고 이해하면 될까요?앞으로 추후 플젝 할때 다대다 관계이면 무조건 중간테이블을 설정해야지만 정상작동을 하는건지도 궁금해요
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미해결스프링 프레임워크는 내 손에 [스프2탄]
수업자료 다운로드 위치가 안보입니다 ㅠㅠ
수업자료 ppt가 초반에 다운받는 링크가 어디 있었던걸로 기억하는데 해당 링크가 안보이네요 ㅠㅠㅠ.......
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미해결자바 ORM 표준 JPA 프로그래밍 - 기본편
DirtyChecking 질문입니다!
회원을 수정하고, 회원의 닉네임이 중복되는 경우를 검증하고 싶었습니다. 더티체킹은 트랜잭션이 종료됐을 때 영속성 컨텍스트에서 변경된 것이 있는지 확인하고 변경된 것을 확인되면 업데이트 되는 것으로 알고 있는데요.@Transactional public void update(Long id, String name) { Member member = findOne(id); member.setName(name); validateDuplicateMember(member); } private void validateDuplicateMember(Member member) { // NullPointerException 발생 X List<Member> findMembers = memberRepository.findByName(member.getName()); if (!findMembers.isEmpty()) { throw new IllegalStateException("이미 존재하는 회원입니다."); } }제가 의도한 목적은 다음과 같습니다.회원을 조회 -> 영속성 컨텍스트 영속상태회원 객체에 대한 이름을 변경 -> 트랜잭션 종료 시 더티체킹 예상현재 객체 전달전달 된 회원의 이름을 가진 회원을 조회중복 시 Rollback, 아니라면 commit 후 더티체킹 이후 회원 엔티티 수정하지만 중복이 아님에도 중복 예외가 발생하길래 log를 확인해본 결과 List<Member> findMembers = memberRepository.findByName(member.getName());를 수행하기 전에 flush()가 되는 부분을 확인 할 수 있었습니다.의심되는 부분은 4번에서 회원을 조회하는 과정에서 쿼리를 수행해야해서, 그 과정에서 쓰기 지연 저장소에 있던 쿼리들이 flush() 된 것이 아닌가 하는 의심이 듭니다.그럼 제가 원하는 목적을 수행하기 위해서는 메서드를 아래와 같이 변경해야만 하는지..@Transactional public void update(Long id, String name) { validateDuplicateMember(name); Member member = findOne(id); member.setName(name); } private void validateDuplicateMember(String name) { // NullPointerException 발생 X List<Member> findMembers = memberRepository.findByName(name); if (!findMembers.isEmpty()) { throw new IllegalStateException("이미 존재하는 회원입니다."); } }다른 질문에서 중복 검증 시 영한님의 다음과 같은 답변을 확인 할 수 있었는데요.@Transactional public void update(Long id, String name) { Member member = findOne(id); validateDuplicateMember(member); member.setName(name); } private void validateDuplicateMember(Member member) { // NullPointerException 발생 X List<Member> findMembers = memberRepository.findByName(member.getName()); if (!findMembers.isEmpty()) { throw new IllegalStateException("이미 존재하는 회원입니다."); } }이 부분은 변경되기 전이고 이미 등록된 상태의 Member를 가져오는 것이기 때문에 회원 이름 수정 시 중복 가능성에 대한 예외를 검증하는 것이 아니지 않나 하는 생각이 들어서 질문드립니다..!
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미해결실전! 스프링 데이터 JPA
메소드 이름으로 쿼리 생성 - 내부 동작
안녕하세요, [메소드 이름으로 쿼리 생성 메소드] 강의 중 메소드 이름을 분석해서 JPQL 쿼리 실행 부분에 질문이 있습니다. 예를 들어 findByUsernameAndEmail()과 같이 이름을 정의하였을 때, 내부적으로 SQL을 어떻게 생성하는지 궁금합니다. '자바 ORM 표준 JPA 기본편' 강의에서 em.persist()를 실행하면 영속성 컨텍스트 내부에서 SQL을 생성하고, SQL 쓰기 지연 저장소에 저장하는 것을 설명해주셨습니다. 즉, 컴파일 시점이 아닌, 런타임 시점 동적으로 쿼리를 생성하는 것으로 이해하였습니다. 위에서 말씀 드린 findByUsernameAndEmail()과 같은 경우 jpql로 변환되어서 쿼리가 실행된다고 말씀해주셨습니다. 어떠한 방법을 통해, 내부적으로 어떠한 로직을 거쳐 런타임에 jpql로 변환이 될 수 있는지 궁금합니다. 감사합니다.
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해결됨자바와 스프링 부트로 생애 최초 서버 만들기, 누구나 쉽게 개발부터 배포까지! [서버 개발 올인원 패키지]
프론트엔드 부분 관련 질문
안녕하세요!선생님의 강의를 너무나 재밌게 잘 듣고 있는 수강생입니다.현재 배포 준비하기 전까지 강의를 들었는데요, 강의와 함께 구현된 기능 외에 추가적인 기능을 구현해보고 싶어서 질문드립니다!유저의 대출 기록을 보여준다거나 하는 다양한 기능들을 프론트엔드 부분에서도 추가하여 만들어보고 싶은데 저희 프로젝트의 index.html, main.d4f24480.js 등을 둘러봐도 어떻게 건드려야 할지 전혀 감이 안오더라구요! 목록에서 유저들 정보가 뿌려지는 부분의 코드도 못찾아서요ㅠ괜찮으시다면 저희 프로젝트에서 프론트적인 부분을 어떻게 만드셨는지나, 동작하는 큰 흐름 혹은 간략한 설명이라도 부탁드려도 될까요??ㅜㅜ 좋은 강의 만들어주셔서 감사합니다:)
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미해결Practical Testing: 실용적인 테스트 가이드
Presentation Layer 테스트 (1) 관련 질문이 있습니다!
안녕하세요! PresentationLayer 테스트(1) 수강하며 문득 든 궁금증이 있어서 질문을 드립니다.강의 36:03 쯔음에서 Product가 하나도 저장되지 않은 상태를 테스트할 때, 새로운 Product의 최신 번호를 조회하게 되면 "001"이 되는 과정에서 ActiveProfile을 test로 해주지 않아 DB에 데이터가 임의로 들어가 있던 것 때문에 테스트 통과가 되지 않았는데요.그러면 그 전에 진행했던 createProduct 테스트의 given에서 Product를 하나 저장한다면 여기서도 ActiveProfile이 test이지 않았던 상태였기 때문에 저장한 데이터가 4번째 데이터가 되어야 하고 그랬다면 테스트 통과가 안 되어야 하는게 맞지 않았나..? 하는 갑작스러운 의문이 들었습니다.제가 놓치고 있는게 무엇일까요?
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미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
선생님 테스트에 대해서 질문있습니다.
지금 제가 도커를 먼저 알고 싶어서 카프카까지 다 들은후 도커부터 듣는 중인데요. 근데 카프카할때부터인가 test를 다 안하고 넘기는 설정을 하시는거 같은데 왜 이렇게 하시나요?? 이게 실제 운영환경이라면 이렇게 못하잖아요?(테스트 코드가 있을 수도 있으니까요) 어떤걸 참고하면서 하면 이 상황을 타개해 나갈수 있을까요?
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미해결실전! Querydsl
QHello Test 에서 오류 확인 부탁드립니다.
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.QHello 테스트에서 1번은 h2 DB 에 Hello table 이 남았으나, 그 이후부터는 아래 exception 이 납니다. 인프런 질문 게시판을 뒤져 보아서 같은 오류 요청이 있는 것은 보았으나 해결된 것 같지는 않네요. 확인 부탁드립니다. application.yml spring: datasource: # url: jdbc:h2:tcp://localhost/~/querydsl username: sa password: driver-class-name: org.h2.Driver jpa: hibernate: ddl-auto: create properties: hibernate: show_sql: true format_sql: true logging.level: org.hibernate.SQL: debug # # org.hibernate.type: tracebuild.gradleplugins { id 'java' id 'org.springframework.boot' version '3.0.2' id 'io.spring.dependency-management' version '1.1.0' } group = 'study' version = '0.0.1-SNAPSHOT' sourceCompatibility = '17' configurations { compileOnly { extendsFrom annotationProcessor } } repositories { mavenCentral() } dependencies { implementation 'org.springframework.boot:spring-boot-starter-data-jpa' implementation 'org.springframework.boot:spring-boot-starter-web' implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.5.6' compileOnly 'org.projectlombok:lombok' runtimeOnly 'com.h2database:h2' annotationProcessor 'org.projectlombok:lombok' testImplementation 'org.springframework.boot:spring-boot-starter-test' //Querydsl 추가 implementation 'com.querydsl:querydsl-jpa:5.0.0:jakarta' annotationProcessor "com.querydsl:querydsl-apt:${dependencyManagement.importedProperties['querydsl.version']}:jakarta" annotationProcessor "jakarta.annotation:jakarta.annotation-api" annotationProcessor "jakarta.persistence:jakarta.persistence-api" } tasks.named('test') { useJUnitPlatform() } clean { delete file('src/main/generated') }h2 는 1.4.199 로 설치하였습니다. 오류 상황 /Users/amore/Library/Java/JavaVirtualMachines/corretto-17.0.5/Contents/Home/bin/java -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=58036:/Applications/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Users/amore/.m2/repository/org/junit/platform/junit-platform-launcher/1.9.2/junit-platform-launcher-1.9.2.jar:/Users/amore/.m2/repository/org/junit/platform/junit-platform-engine/1.9.2/junit-platform-engine-1.9.2.jar:/Users/amore/.m2/repository/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar:/Users/amore/.m2/repository/org/junit/platform/junit-platform-commons/1.9.2/junit-platform-commons-1.9.2.jar:/Users/amore/.m2/repository/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar:/Applications/IntelliJ IDEA.app/Contents/plugins/junit/lib/junit5-rt.jar:/Applications/IntelliJ IDEA.app/Contents/plugins/junit/lib/junit-rt.jar:/Users/amore/workspace/study/java/querydsl/querydsl/out/test/classes:/Users/amore/workspace/study/java/querydsl/querydsl/out/production/classes:/Users/amore/workspace/study/java/querydsl/querydsl/out/production/resources:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-data-jpa/3.0.2/fc0dbe82effb33d3d89b4cf2ec6b7968ad2af558/spring-boot-starter-data-jpa-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-web/3.0.2/3f6a2cb4cb11bac3611f5a95e234589eb190dd29/spring-boot-starter-web-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.github.gavlyukovskiy/p6spy-spring-boot-starter/1.5.6/495579c7fb01b005f19ec4d5188245c66de0937b/p6spy-spring-boot-starter-1.5.6.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.querydsl/querydsl-jpa/5.0.0/2a653852848dee41b967d3520be3339f0f92f1ea/querydsl-jpa-5.0.0-jakarta.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-test/3.0.2/167ec01ebb1d4d5f955aa25e027fe25336116925/spring-boot-starter-test-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-aop/3.0.2/cfb3ff6a7f8d47c9703f140387f39a837b81ab52/spring-boot-starter-aop-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-jdbc/3.0.2/662285456edce14301de88fc0ab4937643a51b50/spring-boot-starter-jdbc-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.hibernate.orm/hibernate-core/6.1.6.Final/e2ff7dfc50d16377da7bedbf48a0a2e9db30ac66/hibernate-core-6.1.6.Final.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.data/spring-data-jpa/3.0.1/96f4ea7c780b6c902f83f4fd3c98dffe3ac5fbec/spring-data-jpa-3.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-aspects/6.0.4/5baf7a2260278ca9748be9dd8278d6519ff2da00/spring-aspects-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-json/3.0.2/11b9a2903af9014696d2576605bb73e8bca6ee19/spring-boot-starter-json-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter/3.0.2/a9426629b5a83ad64fbe4e1d24081cccf4cdab14/spring-boot-starter-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-tomcat/3.0.2/4d50f0cdcb4b8f74221ae823dd77c18290473045/spring-boot-starter-tomcat-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-webmvc/6.0.4/84ee8a9107480c92186ef8216ba0e1dca6ee1665/spring-webmvc-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-web/6.0.4/de18e3e75a0e56534d9df5978bd2f43f950e1b4a/spring-web-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.github.gavlyukovskiy/datasource-decorator-spring-boot-autoconfigure/1.5.6/cac386fe9df77870133594f054ee32e5d08ab93d/datasource-decorator-spring-boot-autoconfigure-1.5.6.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/p6spy/p6spy/3.8.2/52299d9a1ec2bc2fb8b1a21cc12dfc1a7c033caf/p6spy-3.8.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.querydsl/querydsl-core/5.0.0/7a469f78b7a89bae429f17766fb92687d0ab9e5b/querydsl-core-5.0.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-test-autoconfigure/3.0.2/54b535d617cd5dce97b520f6224ef10a76b4a32a/spring-boot-test-autoconfigure-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-test/3.0.2/b014e6596a04ce4aa374ca3cd6361489afab8680/spring-boot-test-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.jayway.jsonpath/json-path/2.7.0/f9d7d9659f2694e61142046ff8a216c047f263e8/json-path-2.7.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/jakarta.xml.bind/jakarta.xml.bind-api/4.0.0/bbb399208d288b15ec101fa4fcfc4bd77cedc97a/jakarta.xml.bind-api-4.0.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.assertj/assertj-core/3.23.1/d2bb60570f5b3d7ffa8f8000118c9c07b86eca93/assertj-core-3.23.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest/2.2/1820c0968dba3a11a1b30669bb1f01978a91dedc/hamcrest-2.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter/5.9.2/26c586fbe0ebd81b48c9f11f0d998124248697ae/junit-jupiter-5.9.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.mockito/mockito-junit-jupiter/4.8.1/e393aa62eca2244a535b03842843f2f199343d1f/mockito-junit-jupiter-4.8.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.mockito/mockito-core/4.8.1/d8eb9dec8747d08645347bb8c69088ac83197975/mockito-core-4.8.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.skyscreamer/jsonassert/1.5.1/6d842d0faf4cf6725c509a5e5347d319ee0431c3/jsonassert-1.5.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-test/6.0.4/e8a07171dc49379f7091fdafd62d71c0ca5333a0/spring-test-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-core/6.0.4/8e24ad493887023cf5fac93541c72516f8ed9f6a/spring-core-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.xmlunit/xmlunit-core/2.9.1/e5833662d9a1279a37da3ef6f62a1da29fcd68c4/xmlunit-core-2.9.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-aop/6.0.4/c47b65c09a5a6fc41293b6aa981fcbe24a3adcd0/spring-aop-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.aspectj/aspectjweaver/1.9.19/afbffb1210239fbba5cad73093c5b216d515838f/aspectjweaver-1.9.19.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-jdbc/6.0.4/97304a02dec542762c19a7b39e1124f1714f7be9/spring-jdbc-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.zaxxer/HikariCP/5.0.1/a74c7f0a37046846e88d54f7cb6ea6d565c65f9c/HikariCP-5.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/jakarta.persistence/jakarta.persistence-api/3.1.0/66901fa1c373c6aff65c13791cc11da72060a8d6/jakarta.persistence-api-3.1.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/jakarta.transaction/jakarta.transaction-api/2.0.1/51a520e3fae406abb84e2e1148e6746ce3f80a1a/jakarta.transaction-api-2.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-context/6.0.4/4fffcbb7eb4f1e9f1a4c9d3ca60098f7c063fc05/spring-context-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-orm/6.0.4/c9958d0879bdc05f7221c0b49d90a1b8825da540/spring-orm-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.data/spring-data-commons/3.0.1/a748e9d73fe23bec3a8604c68da74446a887d59/spring-data-commons-3.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-tx/6.0.4/f8a50c2547179328a5f2202591d6341e3cbf1708/spring-tx-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-beans/6.0.4/7d903607ecfcdefccd0d48aea8724632479b3e83/spring-beans-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/jakarta.annotation/jakarta.annotation-api/2.1.1/48b9bda22b091b1f48b13af03fe36db3be6e1ae3/jakarta.annotation-api-2.1.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.slf4j/slf4j-api/2.0.6/88c40d8b4f33326f19a7d3c0aaf2c7e8721d4953/slf4j-api-2.0.6.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.datatype/jackson-datatype-jsr310/2.14.1/f24e8cb1437e05149b7a3049ebd6700f42e664b1/jackson-datatype-jsr310-2.14.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.module/jackson-module-parameter-names/2.14.1/2e05a86dba3d4b05074b6a313c4d5b7ff844c8dd/jackson-module-parameter-names-2.14.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.datatype/jackson-datatype-jdk8/2.14.1/da194197d187bf24a8699514344ebf0abd7c342a/jackson-datatype-jdk8-2.14.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.14.1/268524b9056cae1211b9f1f52560ef19347f4d17/jackson-databind-2.14.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-autoconfigure/3.0.2/42ad589ec930e05a2ed702a4940955ff97b16a8c/spring-boot-autoconfigure-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot/3.0.2/69d2e0a07f7df180a4aacdc47c47a3db656857dc/spring-boot-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-logging/3.0.2/1c5c71058a0297534d5c5f33a5d125bbbdb6a390/spring-boot-starter-logging-3.0.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.yaml/snakeyaml/1.33/2cd0a87ff7df953f810c344bdf2fe3340b954c69/snakeyaml-1.33.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-websocket/10.1.5/14529cbd593571dc9029272ddc9166b5ef113fc2/tomcat-embed-websocket-10.1.5.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-core/10.1.5/21417d3ef8189e2af05aae0a765ad9204d7211b5/tomcat-embed-core-10.1.5.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-el/10.1.5/c125df13af42a0fc0cd342370449b1276181e2a1/tomcat-embed-el-10.1.5.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-expression/6.0.4/a908e6d3c46fcd6b58221d8427bbaf284bbbee0c/spring-expression-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-observation/1.10.3/32cc59dc8b5f00fba9fa88b7139898b0f7905db7/micrometer-observation-1.10.3.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.mysema.commons/mysema-commons-lang/0.2.4/d09c8489d54251a6c22fbce804bdd4a070557317/mysema-commons-lang-0.2.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/net.minidev/json-smart/2.4.8/7c62f5f72ab05eb54d40e2abf0360a2fe9ea477f/json-smart-2.4.8.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/jakarta.activation/jakarta.activation-api/2.1.1/88c774ab863a21fb2fc4219af95379fafe499a31/jakarta.activation-api-2.1.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/net.bytebuddy/byte-buddy/1.12.22/984e536b4f3fb668b21f15b90c1e8704292d4bdd/byte-buddy-1.12.22.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-params/5.9.2/bc2765afb7b85b583c710dd259a11c6b8c39e912/junit-jupiter-params-5.9.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-api/5.9.2/fed843581520eac594bc36bb4b0f55e7b947dda9/junit-jupiter-api-5.9.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/net.bytebuddy/byte-buddy-agent/1.12.22/9c4127080df12304336ca90c2ef3f8b7d72915c1/byte-buddy-agent-1.12.22.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.vaadin.external.google/android-json/0.0.20131108.vaadin1/fa26d351fe62a6a17f5cda1287c1c6110dec413f/android-json-0.0.20131108.vaadin1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.springframework/spring-jcl/6.0.4/2d6523d00fc40cdb2c2f409113447940d2c872b5/spring-jcl-6.0.4.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-annotations/2.14.1/2a6ad504d591a7903ffdec76b5b7252819a2d162/jackson-annotations-2.14.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-core/2.14.1/7a07bc535ccf0b7f6929c4d0f2ab9b294ef7c4a3/jackson-core-2.14.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-classic/1.4.5/28e7dc0b208d6c3f15beefd73976e064b4ecfa9b/logback-classic-1.4.5.jar:/Users/amore/.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:/Users/amore/.gradle/caches/modules-2/files-2.1/org.slf4j/jul-to-slf4j/2.0.6/c4d348977a83a0bfcf42fd6fd1fee6e7904f1a0c/jul-to-slf4j-2.0.6.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/io.micrometer/micrometer-commons/1.10.3/334080a1a6b849d09d3ef96d7b243fc3c16b2e5a/micrometer-commons-1.10.3.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/net.minidev/accessors-smart/2.4.8/6e1bee5a530caba91893604d6ab41d0edcecca9a/accessors-smart-2.4.8.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.apiguardian/apiguardian-api/1.1.2/a231e0d844d2721b0fa1b238006d15c6ded6842a/apiguardian-api-1.1.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-commons/1.9.2/6f9f8621d8230cd38aa42e58ccbc0c00569131ce/junit-platform-commons-1.9.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.opentest4j/opentest4j/1.2.0/28c11eb91f9b6d8e200631d46e20a7f407f2a046/opentest4j-1.2.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-core/1.4.5/e9bb2ea70f84401314da4300343b0a246c8954da/logback-core-1.4.5.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.apache.logging.log4j/log4j-api/2.19.0/ea1b37f38c327596b216542bc636cfdc0b8036fa/log4j-api-2.19.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.ow2.asm/asm/9.1/a99500cf6eea30535eeac6be73899d048f8d12a8/asm-9.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.h2database/h2/2.1.214/d5c2005c9e3279201e12d4776c948578b16bf8b2/h2-2.1.214.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.glassfish.jaxb/jaxb-runtime/4.0.1/7abfa1ee788a8f090dc598c45876ef068731e72b/jaxb-runtime-4.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.jboss.logging/jboss-logging/3.5.0.Final/c19307cc11f28f5e2679347e633a3294d865334d/jboss-logging-3.5.0.Final.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.hibernate.common/hibernate-commons-annotations/6.0.2.Final/fa5a14ef3d2e5c3c99b53a4bef756a3268d69187/hibernate-commons-annotations-6.0.2.Final.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.jboss/jandex/2.4.2.Final/1e1c385990b258ff1a24c801e84aebbacf70eb39/jandex-2.4.2.Final.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.fasterxml/classmate/1.5.1/3fe0bed568c62df5e89f4f174c101eab25345b6c/classmate-1.5.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/jakarta.inject/jakarta.inject-api/2.0.0/46fc8560b6fd17b78396d88f39c1a730457671f0/jakarta.inject-api-2.0.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.antlr/antlr4-runtime/4.10.1/10839f875928f59c622d675091d51a43ea0dc5f7/antlr4-runtime-4.10.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.junit.jupiter/junit-jupiter-engine/5.9.2/572f7a553b53f83ee59cc045ce1c3772864ab76c/junit-jupiter-engine-5.9.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.objenesis/objenesis/3.2/7fadf57620c8b8abdf7519533e5527367cb51f09/objenesis-3.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.glassfish.jaxb/jaxb-core/4.0.1/b4707bb31dfcf54ae424b930741f0cd62d672af9/jaxb-core-4.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.junit.platform/junit-platform-engine/1.9.2/40aeef2be7b04f96bb91e8b054affc28b7c7c935/junit-platform-engine-1.9.2.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.eclipse.angus/angus-activation/1.0.0/f0ceddd49f92109fbfad9125e958f5bfd3f2aa1/angus-activation-1.0.0.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/org.glassfish.jaxb/txw2/4.0.1/797720dfe2e15504f6014fb82eb873051a653c75/txw2-4.0.1.jar:/Users/amore/.gradle/caches/modules-2/files-2.1/com.sun.istack/istack-commons-runtime/4.1.1/9b3769c76235bc283b060da4fae2318c6d53f07e/istack-commons-runtime-4.1.1.jar com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit5 study.querydsl.QuerydslApplicationTests21:55:03.745 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [QuerydslApplicationTests]: using SpringBootContextLoader21:55:03.749 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [study.querydsl.QuerydslApplicationTests]: no resource found for suffixes {-context.xml, Context.groovy}.21:55:03.750 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [study.querydsl.QuerydslApplicationTests]: QuerydslApplicationTests does not declare any static, non-private, non-final, nested classes annotated with @Configuration.21:55:03.775 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using ContextCustomizers for test class [QuerydslApplicationTests]: [DisableObservabilityContextCustomizer, PropertyMappingContextCustomizer, Customizer, ExcludeFilterContextCustomizer, DuplicateJsonObjectContextCustomizer, MockitoContextCustomizer, TestRestTemplateContextCustomizer]21:55:03.848 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [/Users/amore/workspace/study/java/querydsl/querydsl/out/production/classes/study/querydsl/QuerydslApplication.class]21:55:03.850 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration study.querydsl.QuerydslApplication for test class study.querydsl.QuerydslApplicationTests21:55:03.952 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners for test class [QuerydslApplicationTests]: [ServletTestExecutionListener, DirtiesContextBeforeModesTestExecutionListener, ApplicationEventsTestExecutionListener, MockitoTestExecutionListener, DependencyInjectionTestExecutionListener, DirtiesContextTestExecutionListener, TransactionalTestExecutionListener, SqlScriptsTestExecutionListener, EventPublishingTestExecutionListener, RestDocsTestExecutionListener, MockRestServiceServerResetTestExecutionListener, MockMvcPrintOnlyOnFailureTestExecutionListener, WebDriverTestExecutionListener, MockWebServiceServerTestExecutionListener, ResetMocksTestExecutionListener]21:55:03.954 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: class [QuerydslApplicationTests], class annotated with @DirtiesContext [false] with mode [null] . ____ _ /\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v3.0.2)2023-05-07T21:55:04.336+09:00 INFO 73804 --- [ main] s.querydsl.QuerydslApplicationTests : Starting QuerydslApplicationTests using Java 17.0.5 with PID 73804 (started by amore in /Users/amore/workspace/study/java/querydsl/querydsl)2023-05-07T21:55:04.338+09:00 INFO 73804 --- [ main] s.querydsl.QuerydslApplicationTests : No active profile set, falling back to 1 default profile: "default"2023-05-07T21:55:04.902+09:00 INFO 73804 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.2023-05-07T21:55:04.923+09:00 INFO 73804 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 13 ms. Found 0 JPA repository interfaces.2023-05-07T21:55:05.317+09:00 INFO 73804 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]2023-05-07T21:55:05.381+09:00 INFO 73804 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.1.6.Final2023-05-07T21:55:05.561+09:00 WARN 73804 --- [ main] org.hibernate.orm.deprecation : HHH90000021: Encountered deprecated setting [javax.persistence.sharedCache.mode], use [jakarta.persistence.sharedCache.mode] instead2023-05-07T21:55:05.692+09:00 INFO 73804 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...2023-05-07T21:55:05.781+09:00 INFO 73804 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection conn0: url=jdbc:h2:tcp://localhost/~/querydsl user=SA2023-05-07T21:55:05.783+09:00 INFO 73804 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.2023-05-07T21:55:05.820+09:00 INFO 73804 --- [ main] SQL dialect : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect2023-05-07T21:55:06.072+09:00 ERROR 73804 --- [ main] j.LocalContainerEntityManagerFactoryBean : Failed to initialize JPA EntityManagerFactory: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello]2023-05-07T21:55:06.073+09:00 WARN 73804 --- [ main] o.s.w.c.s.GenericWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello]2023-05-07T21:55:06.073+09:00 INFO 73804 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...2023-05-07T21:55:14.106+09:00 INFO 73804 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.2023-05-07T21:55:14.116+09:00 INFO 73804 --- [ main] .s.b.a.l.ConditionEvaluationReportLogger : Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.2023-05-07T21:55:14.136+09:00 ERROR 73804 --- [ main] o.s.boot.SpringApplication : Application run failedorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1751) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:599) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1130) ~[spring-context-6.0.4.jar:6.0.4] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:905) ~[spring-context-6.0.4.jar:6.0.4] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:584) ~[spring-context-6.0.4.jar:6.0.4] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:432) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader.lambda$loadContext$3(SpringBootContextLoader.java:137) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:59) ~[spring-core-6.0.4.jar:6.0.4] at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:47) ~[spring-core-6.0.4.jar:6.0.4] at org.springframework.boot.SpringApplication.withHook(SpringApplication.java:1386) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader$ContextLoaderHook.run(SpringBootContextLoader.java:543) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:137) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:108) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:184) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:118) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:127) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:191) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:130) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:241) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) ~[spring-test-6.0.4.jar:6.0.4] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$10(ClassBasedTestDescriptor.java:377) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:382) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$11(ClassBasedTestDescriptor.java:377) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] 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-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:289) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:288) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:278) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at java.base/java.util.Optional.orElseGet(Optional.java:364) ~[na:na] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:277) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:105) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:104) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:68) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) ~[junit-platform-engine-1.9.2.jar:1.9.2] at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.9.2.jar:1.9.2] at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:147) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:127) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:90) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:55) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:102) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:54) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) ~[junit5-rt.jar:na] at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) ~[junit-rt.jar:na] at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) ~[idea_rt.jar:na] at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) ~[junit-rt.jar:na] at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) ~[junit-rt.jar:na] at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) ~[junit-rt.jar:na]Caused by: jakarta.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:421) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:352) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1797) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1747) ~[spring-beans-6.0.4.jar:6.0.4] ... 93 common frames omittedCaused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:222) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:515) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:372) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.internal.SessionFactoryImpl.lambda$new$1(SessionFactoryImpl.java:293) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[na:na] at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[na:na] at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1779) ~[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.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[na:na] at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[na:na] at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na] at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[na:na] at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:292) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:415) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1425) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:66) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:376) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ~[spring-orm-6.0.4.jar:6.0.4] ... 97 common frames omittedCaused by: org.hibernate.HibernateException: Could not fetch the SequenceInformation from the database at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:302) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.getSequenceInformationList(ExtractedDatabaseMetaDataImpl.java:151) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.id.enhanced.SequenceStyleGenerator.getSequenceIncrementValue(SequenceStyleGenerator.java:561) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.id.enhanced.SequenceStyleGenerator.configure(SequenceStyleGenerator.java:210) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:217) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] ... 115 common frames omittedCaused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Column "start_value" not found [42122-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) ~[h2-2.1.214.jar:2.1.214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) ~[h2-2.1.214.jar:2.1.214] at org.h2.message.DbException.get(DbException.java:223) ~[h2-2.1.214.jar:2.1.214] at org.h2.message.DbException.get(DbException.java:199) ~[h2-2.1.214.jar:2.1.214] at org.h2.jdbc.JdbcResultSet.getColumnIndex(JdbcResultSet.java:3492) ~[h2-2.1.214.jar:2.1.214] at org.h2.jdbc.JdbcResultSet.getLong(JdbcResultSet.java:745) ~[h2-2.1.214.jar:2.1.214] at com.zaxxer.hikari.pool.HikariProxyResultSet.getLong(HikariProxyResultSet.java) ~[HikariCP-5.0.1.jar:na] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.resultSetStartValueSize(SequenceInformationExtractorLegacyImpl.java:110) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.lambda$extractMetadata$0(SequenceInformationExtractorLegacyImpl.java:54) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.tool.schema.extract.spi.ExtractionContext.getQueryResults(ExtractionContext.java:50) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata(SequenceInformationExtractorLegacyImpl.java:39) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:286) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] ... 119 common frames omitted============================CONDITIONS EVALUATION REPORT============================Positive matches:----------------- NoneNegative matches:----------------- NoneExclusions:----------- NoneUnconditional classes:---------------------- None2023-05-07T21:55:14.146+09:00 ERROR 73804 --- [ main] o.s.test.context.TestContextManager : Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener] to prepare test instance [study.querydsl.QuerydslApplicationTests@4c2ab536]java.lang.IllegalStateException: Failed to load ApplicationContext for [WebMergedContextConfiguration@8b670c0 testClass = study.querydsl.QuerydslApplicationTests, locations = [], classes = [study.querydsl.QuerydslApplication], contextInitializerClasses = [], activeProfiles = [], propertySourceLocations = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@9da1, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@57d7f8ca, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@662b4c69, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@3d6f0054, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@169e6180, org.springframework.boot.test.context.SpringBootTestAnnotation@d791c74e], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:142) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:127) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:191) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:130) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:241) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) ~[spring-test-6.0.4.jar:6.0.4] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$10(ClassBasedTestDescriptor.java:377) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:382) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$11(ClassBasedTestDescriptor.java:377) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] 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-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:289) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:288) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:278) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at java.base/java.util.Optional.orElseGet(Optional.java:364) ~[na:na] at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:277) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:105) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:104) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:68) ~[junit-jupiter-engine-5.9.2.jar:5.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) ~[junit-platform-engine-1.9.2.jar:1.9.2] at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.9.2.jar:1.9.2] at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:147) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:127) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:90) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:55) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:102) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:54) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53) ~[junit-platform-launcher-1.9.2.jar:1.9.2] at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57) ~[junit5-rt.jar:na] at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) ~[junit-rt.jar:na] at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) ~[idea_rt.jar:na] at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) ~[junit-rt.jar:na] at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) ~[junit-rt.jar:na] at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) ~[junit-rt.jar:na]Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1751) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:599) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1130) ~[spring-context-6.0.4.jar:6.0.4] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:905) ~[spring-context-6.0.4.jar:6.0.4] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:584) ~[spring-context-6.0.4.jar:6.0.4] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:432) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader.lambda$loadContext$3(SpringBootContextLoader.java:137) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:59) ~[spring-core-6.0.4.jar:6.0.4] at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:47) ~[spring-core-6.0.4.jar:6.0.4] at org.springframework.boot.SpringApplication.withHook(SpringApplication.java:1386) ~[spring-boot-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader$ContextLoaderHook.run(SpringBootContextLoader.java:543) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:137) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:108) ~[spring-boot-test-3.0.2.jar:3.0.2] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:184) ~[spring-test-6.0.4.jar:6.0.4] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:118) ~[spring-test-6.0.4.jar:6.0.4] ... 72 common frames omittedCaused by: jakarta.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:421) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:352) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1797) ~[spring-beans-6.0.4.jar:6.0.4] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1747) ~[spring-beans-6.0.4.jar:6.0.4] ... 93 common frames omittedCaused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:222) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:515) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:372) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.internal.SessionFactoryImpl.lambda$new$1(SessionFactoryImpl.java:293) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[na:na] at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[na:na] at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1779) ~[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.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[na:na] at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[na:na] at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na] at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[na:na] at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:292) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:415) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1425) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:66) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:376) ~[spring-orm-6.0.4.jar:6.0.4] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ~[spring-orm-6.0.4.jar:6.0.4] ... 97 common frames omittedCaused by: org.hibernate.HibernateException: Could not fetch the SequenceInformation from the database at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:302) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.getSequenceInformationList(ExtractedDatabaseMetaDataImpl.java:151) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.id.enhanced.SequenceStyleGenerator.getSequenceIncrementValue(SequenceStyleGenerator.java:561) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.id.enhanced.SequenceStyleGenerator.configure(SequenceStyleGenerator.java:210) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:217) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] ... 115 common frames omittedCaused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Column "start_value" not found [42122-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) ~[h2-2.1.214.jar:2.1.214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) ~[h2-2.1.214.jar:2.1.214] at org.h2.message.DbException.get(DbException.java:223) ~[h2-2.1.214.jar:2.1.214] at org.h2.message.DbException.get(DbException.java:199) ~[h2-2.1.214.jar:2.1.214] at org.h2.jdbc.JdbcResultSet.getColumnIndex(JdbcResultSet.java:3492) ~[h2-2.1.214.jar:2.1.214] at org.h2.jdbc.JdbcResultSet.getLong(JdbcResultSet.java:745) ~[h2-2.1.214.jar:2.1.214] at com.zaxxer.hikari.pool.HikariProxyResultSet.getLong(HikariProxyResultSet.java) ~[HikariCP-5.0.1.jar:na] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.resultSetStartValueSize(SequenceInformationExtractorLegacyImpl.java:110) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.lambda$extractMetadata$0(SequenceInformationExtractorLegacyImpl.java:54) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.tool.schema.extract.spi.ExtractionContext.getQueryResults(ExtractionContext.java:50) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata(SequenceInformationExtractorLegacyImpl.java:39) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:286) ~[hibernate-core-6.1.6.Final.jar:6.1.6.Final] ... 119 common frames omittedjava.lang.IllegalStateException: Failed to load ApplicationContext for [WebMergedContextConfiguration@8b670c0 testClass = study.querydsl.QuerydslApplicationTests, locations = [], classes = [study.querydsl.QuerydslApplication], contextInitializerClasses = [], activeProfiles = [], propertySourceLocations = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@9da1, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@57d7f8ca, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@662b4c69, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@3d6f0054, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@169e6180, org.springframework.boot.test.context.SpringBootTestAnnotation@d791c74e], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:142) at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:127) at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:191) at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:130) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:241) at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$10(ClassBasedTestDescriptor.java:377) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:382) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$11(ClassBasedTestDescriptor.java:377) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:310) at java.base/java.util.stream.Streams$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:762) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:376) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:289) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:288) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:278) at java.base/java.util.Optional.orElseGet(Optional.java:364) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:277) at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:105) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:104) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:68) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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$9(NodeTestTask.java:139) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:147) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:127) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:90) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:55) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:102) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:54) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86) at org.junit.platform.launcher.core.DefaultLauncherSession$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:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1751) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:599) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:521) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1130) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:905) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:584) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:432) at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) at org.springframework.boot.test.context.SpringBootContextLoader.lambda$loadContext$3(SpringBootContextLoader.java:137) at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:59) at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:47) at org.springframework.boot.SpringApplication.withHook(SpringApplication.java:1386) at org.springframework.boot.test.context.SpringBootContextLoader$ContextLoaderHook.run(SpringBootContextLoader.java:543) at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:137) at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:108) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:184) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:118) ... 72 moreCaused by: jakarta.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:421) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:352) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1797) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1747) ... 93 moreCaused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=study.querydsl.entity.Hello] at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:222) at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:515) at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:372) at org.hibernate.internal.SessionFactoryImpl.lambda$new$1(SessionFactoryImpl.java:293) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1779) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:292) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:415) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1425) at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:66) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:376) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ... 97 moreCaused by: org.hibernate.HibernateException: Could not fetch the SequenceInformation from the database at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:302) at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.getSequenceInformationList(ExtractedDatabaseMetaDataImpl.java:151) at org.hibernate.id.enhanced.SequenceStyleGenerator.getSequenceIncrementValue(SequenceStyleGenerator.java:561) at org.hibernate.id.enhanced.SequenceStyleGenerator.configure(SequenceStyleGenerator.java:210) at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:217) ... 115 moreCaused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Column "start_value" not found [42122-214] at org.h2.message.DbException.getJdbcSQLException(DbException.java:502) at org.h2.message.DbException.getJdbcSQLException(DbException.java:477) at org.h2.message.DbException.get(DbException.java:223) at org.h2.message.DbException.get(DbException.java:199) at org.h2.jdbc.JdbcResultSet.getColumnIndex(JdbcResultSet.java:3492) at org.h2.jdbc.JdbcResultSet.getLong(JdbcResultSet.java:745) at com.zaxxer.hikari.pool.HikariProxyResultSet.getLong(HikariProxyResultSet.java) at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.resultSetStartValueSize(SequenceInformationExtractorLegacyImpl.java:110) at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.lambda$extractMetadata$0(SequenceInformationExtractorLegacyImpl.java:54) at org.hibernate.tool.schema.extract.spi.ExtractionContext.getQueryResults(ExtractionContext.java:50) at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata(SequenceInformationExtractorLegacyImpl.java:39) at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:286) ... 119 moreProcess finished with exit code 255
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해결됨Practical Testing: 실용적인 테스트 가이드
Spring REST Docs 관련 질문
안녕하세요 강사님, 우선 꿀팁 가득차있는 강의 너무너무 잘 들었습니다.Spring REST Docs 관련해서 질문이 있습니다. 강의에서는 이미 레이어별로 테스트 코드를 작성하였는데요. Spring REST Docs 적용하면서 별도의 ProductControllerDocsTest 클래스를 만들어 createProduct()의 동일한 테스트 코드가 문서를 위해 또 들어가는 것 같아 관리해야할 테스트 코드가 두배가 되는게 아닌가 궁금해서 질문드립니다! 실무에서는 이렇게 테스트 전용 테스트코드와 문서용 테스트 코드를 별도 분리하는지, 아니면 둘을 함께 포함하여 하나로 작성하는 방식인가요? ~ 감사합니다.
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미해결호돌맨의 요절복통 개발쇼 (SpringBoot, Vue.JS, AWS)
session:spring-session-jdbc 의존성 추가 시 mysql 설정
당연히 구글링 해보셨져? 원하는 결과를 못찾으셨나요? 어떤 검색어를 입력했는지 알려주세문제가 발생한 코드(프로젝트)를 Github에 올리시고 링크를 알려주세요.만약 MySQL로 진행하시는 분들을 위해 session-jdbc 추가 시 SPRING_SESSION 테이블 추가가 안된다면 이 링크 참고해서 해주시면 되고자 공유드립니다.https://stackoverflow.com/questions/53823174/how-to-initialize-schema-in-spring-session-with-jdbc아래처럼 application.yml에 spring 프로퍼티 안에 해당 내용을 추가하시면 될듯합니다.session: jdbc: initialize-schema: always추가로 설정이 필요한 내용이 있으면 댓글 부탁드리겠습니다.
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
스프링 부트와 JPA 활용
[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. 안녕하세요 수강생 입니다. 궁금한것이 있어 질문 합니다. JPA 를 하면서 궁금한것이 있어서 몇가지 적어 봅니다. JPA를 활용할때 JPA코드로 만들어진 테이블이 아닌 기존에 DDL로 만들어진 테이블 조회도 가능 할까요 ? - 이건 아직 제가 조회 부분을 안봐서 질문하는것일수도 있네요 ㅠ 실행하면서 JPA로 만들어진 테이블이 구성되는데 그럼 매번 실행할때마다 테이블을 지우고 생성되는건지 아니면 중복테이블을 체크하고 생성되는것일까요 ? ManyTOMany를 실무에선 안쓴다는 말이 다대다 구성을 안한다는 말씀이신거 같은데 그럼 다대다와 같은 경우를 중간테이블로 두어서 1대다 형식으로 구성하는 방안이 좋을까요 ?
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미해결자바 ORM 표준 JPA 프로그래밍 - 기본편
프로퍼티와 메서드의 초기화 질문입니다.
public class student { public int score; public int getScore() { return this.score; } }위와 같은 코드가 있고 연관관계 매핑이 되어있어 현재 프록시 상태라고 가정했을 때점수를 얻기 위해 student.score를 사용 하면 영속성 컨텍스트로부터 초기화를 받지 못하고, student.getScoret()를 하면 초기화를 받는 건가요 ? 만약 프로퍼티 접근을 사용했을 때 초기화를 받지 모한다면 studnet.score 안에는 무슨 값이 들어있게 되는 건가요 ?
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미해결실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화
왜 DTO 만드실때 static 을 붙인 건가요??
[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예[질문 내용]항상 DTO 만드실때 static 클래스 꼭 붙이시길래 한번 빼고 만들면 오류가 나는 건가? 싶어서 뺴봤는데 상관이 없더라고용. 혹시 static 을 굳이 붙이신 이유가 있나요?
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미해결실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화
fetch join 과 EAGER
[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예[질문 내용]제가 이해한게 맞을까요?일단 기본적으로 type을 LAZY 로 하는 이유는 조회할때 한 방에 다른 엔티티까지 쿼리가 나가고 그거에 연관된 엔티티까지 쿼리가 나가면 비효율 적이다. 그래서 LAZY 를 쓰는데 조회할때 다른 Entity 의 값도 가져오려면 LAZY 타입이니 쿼리가 많이 나가서 fetch JOIN 으로 한 쿼리로 연결 시킨다. 그러면 EAGER 바꾸면 될 것같지만, EAGER 는 예측할 수 없는 문제도 있고, 다른곳에서 조회할때는 또 다른 엔티티의 값이 필요가 없을 수도 있기 때문에 기본은 LAZY로 해두고 다른 엔티티의 값이 필요한 특수한 경우에만 fetch JOIN 을 한다.
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미해결실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화
포스트맨 오류
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]강의 내용의 코드도 모두 동일한데, 포스트맨을 통한 url 요청에서 다음과 같이 오류가 발생합니다.그러다가 'http://' 를 생략하고 다시 요청했는데 이번엔 정상적으로 동작했습니다.이처럼 http:// 를 생략하니까 정상 작동하는 이유에 대해서 궁금합니다.
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미해결자바 ORM 표준 JPA 프로그래밍 - 기본편
다대일 양방향 연관 관계의 주인 지정 관련 질문 드립니다!
[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! 항상 강의 잘 듣고 있습니다 :-) 기본적으로 제가 이해하고 있는 연관 관계 주인 개념이 맞는지, 그리고 다대일 양방향 연관 관계 주인 지정과 관련해 드리고 싶은 질문이 있어 글을 작성합니다! 제가 이해한 내용을 바탕으로 기본적인 연관 관계, 연관 관계 주인 개념을 아래와 같이 정리해봤는데, 제대로 이해하고 있는지 궁금합니다.JPA에서 제공하는 어노테이션을 이용해 Java 코드로 정의된 엔티티 클래스 간 연관 관계를 설정하면, JPA가 이 코드를 기반으로 테이블을 생성하게 된다. 이때, Member과 Team 엔티티 클래스 중 하나는 무조건 연관 관계 주인으로 지정해주어야 한다. 기본적으로 데이터베이스의 테이블은 외래 키를 통해 두 테이블 간의 관계를 설정할 수 있고, 한 쪽의 테이블에만 (관계를 맺을 테이블에 대한) 외래 키가 존재하면 JOIN을 통해 자유롭게 양쪽 테이블을 참조할 수 있다. (→ 단방향, 양방향(단방향*2) 연관 관계라는 개념이 테이블 간에는 존재하지 않는다.) 그런데 Member 엔티티 클래스의 필드에 member_id, name이 있고, Team 엔티티 클래스의 필드에 team_id, name 존재하고, 일대다 연관 관계를 JPA 통해 설정했을 때 JPA가 매핑 정보를 기반으로 테이블을 생성하는 상황을 생각해본다. JPA는 기본적으로 MEMBER 테이블, TEAM 테이블을 생성할 것이다. 그리고 MEMBER 테이블에는 member_id, name 컬럼이, TEAM 테이블에는 team_id, name 필드가 컬럼이 존재할 것이다. 그리고 JPA를 통해 설정한 연관 관계 또한 두 테이블에 반영해야할텐데, 이를 위해선 두 테이블 중 하나에 (관계를 맺을 테이블에 대한) 외래 키 필드를 추가해야 한다. 외래 키를 통해 테이블 사이의 관계를 설정할 수 있기 때문이다. 그런데 JPA는 이 외래 키 필드를 어느 테이블에 추가해야할지 자체적으로 결정을 내릴 수 없다. 회원 테이블에 팀 테이블로 접근할 수 있는 외래 키 필드를 생성하는 것이나 팀 테이블에 회원 테이블로 접근할 수 있는 외래 키 필드를 생성하는 것이나 결국 (단방향/양방향 연관 관계 개념 자체가 없는) 데이터베이스 테이블 입장에선 차이가 없기 때문이다. 그래서 JPA를 이용해 연관 관계를 지정해주어야, JPA가 어떠한 엔티티가 다른 엔티티를 참조하는 주체가 되는지 파악할 수 있고, JPA가 테이블을 생성할 때 다른 엔티티를 참조하는 주체 엔티티와 매핑될 테이블에 외래 키 필드를 추가할 수 있게 된다.Member, Team와 같은 다대일 연관 관계를 양방향으로 설정한 후, Team을 연관 관계의 주인으로 지정했을 때, Team 수정 시 모든 Member를 향한 불필요한 (UPDATE 등의) 쿼리가 발생할 수 있다는 게 잘 다가오지 않습니다... ㅠㅠ Member를 연관 관계의 주인으로 지정했을 때 Team 수정하는 경우와 비교해서 조금 더 자세히 설명해주시면 정말 감사하겠습니다!
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
20:24 부분의 줌인
[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예)[질문 내용]20:24 부분의 줌인 단축키가 있나요?코드 부분 단축키 말고 패키지 부분에 적용하는 방법은 찾지 못하겠습니다 ㅠㅠ