[질문 내용]배운 내용을 바탕으로 혼자 프로젝트 생각해서 만들고 있는데요어떤게 궁금한지 간단히 말씀드리면멤버라는 엔티티가 있습니다.. 멤버라는 엔티티에는 오늘의 추천 할 일이 필요하고 날마다 바뀝니다. 추천할 일은 개발자 혹은 운영자가 직접 넣는 것이구요.. 이러면 member랑 추천선행이랑 연관관계가 필요가 없지 않나요??이러면 추천선행은 ERD? 같은거 설계할때 연관관계ㅒ 없이 동떨어져있는 걸로 그리면 될까요?? 혹시라도 전에 사용했던 추천선행이 안나오게 하려면 이 경우는 연관관계를 세팅하는게 좋을까요? 

안녕하세요, 배운 내용을 기반으로 스스로 개발 연습을 하고 있었습니다.Article이라는 엔티티에 본문에 첨부되어 뷰에서 보일 이미지 파일들과 버튼을 누르면 다운로드가 가능한 첨부 파일들을 동시에 넣고자 했습니다.이미지 파일과 첨부 파일은 모두 UploadFile이라는 엔티티를 사용하였습니다.서버에서 실험차 Article 엔티티를 작성해보니, 이미지 파일과 첨부 파일 리스트가 각각 적용 되는 것이 아니라 합쳐졌습니다.예를 들어 이미지 파일을 2개 등록하고 첨부 파일을 3개 등록하였으면, imageFiles와 attachedFiles List의 사이즈가 각각 2, 3개 인 것이 아니라 똑같이 5, 5개였습니다.이미지 파일과 첨부 파일이 다른 종류의 파일임에도 불구하고 결국 같은 엔티티를 공유하고 있어서 발생한 문제인걸까요?현재 생각하고 있는 해결책은 이미지 파일과 첨부 파일을 각각 다른 엔티티로 만들어서 따로 테이블을 관리하면 되겠다고 생각중입니다.하지만 혹시 이보다 더 좋거나 근본적인 해결책이 있지 않을까 싶어서 질문을 올려봅니다.두 엔티티의 코드는 다음과 같은데 혹시 다른 코드가 더 필요한 것이라면 올리겠습니다!// 게시글 엔티티 @Entity @Getter public class Article { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name = "article_id") private Long id; private String writer; private String title; @Lob private String content; @OneToMany(mappedBy = "article", cascade = CascadeType.ALL, orphanRemoval = true) private List<UploadFile> imageFiles = new ArrayList<>(); @OneToMany(mappedBy = "article", cascade = CascadeType.ALL, orphanRemoval = true) private List<UploadFile> attachedFiles = new ArrayList<>(); public static Article createArticle(ArticleAddForm articleAddForm, List<UploadFile> imageFiles, List<UploadFile> attachedFiles) { Article article = new Article(); article.writer = articleAddForm.getWriter(); article.title = articleAddForm.getTitle(); article.content = articleAddForm.getContent(); article.imageFiles.addAll(imageFiles); article.attachedFiles.addAll(attachedFiles); for (UploadFile imageFile : imageFiles) { imageFile.setArticle(article); } for (UploadFile attachedFile : attachedFiles) { attachedFile.setArticle(article); } return article; } } // 업로드 파일 엔티티 (이미지 파일, 첨부 파일의 엔티티로서 동시에 사용됨) @Entity @Getter public class UploadFile { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name = "upload_file_id") private Long id; @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "article_id") private Article article; private String originalName; private String storeName; public UploadFile() { } public UploadFile(String originalName, String storeName) { this.originalName = originalName; this.storeName = storeName; } public void setArticle(Article article) { this.article = article; } }

tailwindCss 꼭 사용해야하나요? 그냥 css로 사용하고 싶은데 tailwindCss를 사용하지 않으면 강의를 듣는데 문제가 생길까요 ?

eslint는 이제 설정하지않아도되는것 아닌가요ㅕ,,?

(1)ORDER_ITEM은 ORDERS,ITEM에 N:M구조의CATEGORY_ITEM은 ITEM, CATEGORY에 N:M구조의 Mappting table인기요? (2)ORDER_ITEM은 다대다 구조를 @ManyToOne로 다대일로 나눠서 해결했고CATEGORY_ITEM은 다대다 구조를 @ManyToMany로 해결했는데 실무에서는 @ManyToMany를 사용하면 안된다 라고 이해하면 될까요? 

깃허브 레포지토리 권한 신청합니다.인프런 아이디 : human264@gmail.com인프런 이메일 : human264@gmail.com깃헙 아이디 : human264@gmail.com깃헙 Username : human264

안녕하세요 강의 열심히 수강중인 학생입니다. ddl-auto관련 설정이 정확히 궁금해서 여러가지 시도를 해보고 있었습니다! ddl-auto = update 로 진행을 할 경우 궁금증이 생겨서 글 남깁니다.이전과 비교하여 바뀐 부분을 수정한다라고만 생각하고 여러가지를 해보았는데 예를 들면 엔티티 필드 private Integer price에 @NotNull을 작성한 상태였습니다. 이를 지우고 재실행 시켰을 시 여전히 NotNull제약조건이 적용되어있었습니다. 또한 아예 필드를 지웠을 경우에도 데이터 베이스에는 price가 남아있었습니다. 구글링을 해보니 그나마 찾은 것이 없던것을 추가시킨다는 정도의 답변을 찾은 것 같습니다. 그렇다면 제약 조건을 바꾸거나 속성을 삭제하는 경우등은 직접 쿼리를 작성해서 처리해야하는 것일까요? update는 없던 것을 생성 시켜주는 처리만 해주는 것이 맞는지 궁금합니다!

[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]java.lang.IllegalStateException: Failed to load ApplicationContext for [WebMergedContextConfiguration@6eeb29c0 testClass = jpabook.jpashop.MemberRepositoryTest, locations = [], classes = [jpabook.jpashop.JpashopApplication], contextInitializerClasses = [], activeProfiles = [], propertySourceLocations = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@1f, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@769e7ee8, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@159f197, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c469c48, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@60d8c9b7, org.springframework.boot.test.context.SpringBootTestAnnotation@7894f3e7], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:143) 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.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at org.junit.runner.JUnitCore.run(JUnitCore.java:115) at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:42) at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:80) at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:72) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:147) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:127) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:90) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$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:232) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)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]: Could not determine recommended JdbcType for jpabook.jpashop.domain.Category at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1770) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:598) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:520) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1154) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:931) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:608) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:436) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.springframework.boot.test.context.SpringBootContextLoader.lambda$loadContext$3(SpringBootContextLoader.java:137) at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:58) at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:46) at org.springframework.boot.SpringApplication.withHook(SpringApplication.java:1406) at org.springframework.boot.test.context.SpringBootContextLoader$ContextLoaderHook.run(SpringBootContextLoader.java:545) 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:187) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:119) ... 41 moreCaused by: org.hibernate.type.descriptor.java.spi.JdbcTypeRecommendationException: Could not determine recommended JdbcType for jpabook.jpashop.domain.Category at org.hibernate.type.descriptor.java.spi.UnknownBasicJavaType.getRecommendedJdbcType(UnknownBasicJavaType.java:37) at org.hibernate.type.descriptor.java.spi.BasicCollectionJavaType.getRecommendedJdbcType(BasicCollectionJavaType.java:74) at org.hibernate.boot.model.process.internal.InferredBasicValueResolver.from(InferredBasicValueResolver.java:222) at org.hibernate.mapping.BasicValue.buildResolution(BasicValue.java:480) at org.hibernate.mapping.BasicValue.resolve(BasicValue.java:310) at org.hibernate.mapping.BasicValue.resolve(BasicValue.java:300) at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.lambda$processValueResolvers$4(InFlightMetadataCollectorImpl.java:1842) at java.base/java.util.ArrayList.removeIf(ArrayList.java:1682) at java.base/java.util.ArrayList.removeIf(ArrayList.java:1660) at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.processValueResolvers(InFlightMetadataCollectorImpl.java:1841) at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.processSecondPasses(InFlightMetadataCollectorImpl.java:1827) at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:328) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1380) at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1451) at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:75) at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:376) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) 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:1816) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1766) ... 62 more 

'JPA와 DB설정, 동작확인' 수업 중 질문입니다.Test코드는 통과했다고 나오지만 콘솔에는 에러가 뜨고 있습니다. java.lang.ExceptionInInitializerError: null at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 와 함께 Caused by는Caused by: java.lang.IllegalStateException: MicrometerObservationRegistryTestExecutionListener requires micrometer-observation 1.10.8 or higher at org.springframework.test.context.observation.MicrometerObservationRegistryTestExecutionListener.<clinit>(MicrometerObservationRegistryTestExecutionListener.java:80) ... 78 common frames omittedCaused by: java.lang.NoClassDefFoundError: io/micrometer/context/ThreadLocalAccessor이렇게 나오고 있습니다. 구글링 해보니 spring boot 버전3.0.8에서 간헐적으로 나오는 증상같은데 테스트가 진행됐으니 그대로 해도 괜찮을까요? 아니면 지금이라도 버전 변경을 해야하나요? 

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.안녕하세요.코드를 똑같이 따라 썼는데 글 수정시 submit을 누르면 글이 수정되는 것이 아니라 수정된 내용의 상품이 하나 더 등록됩니다. 그래서 상품 한개가 있을 때 그 상품을 수정하면 수정된 상품까지해서 상품이 총 두개가 됩니다. 엔티티 설계할 때 @ID의 생성전략을 GenerationType.IDENTITY로 하였는데 이게 문제가 될까요? 디버깅 해보니 상품 저장시에 ItemRepository에서 merge가 아닌 persist를 하고있습니다.

강의에서spring.jpa.hibernate.ddl-auto: create 이 옵션은 애플리케이션 실행 시점에 테이블을 drop 하고, 다시 생성한다. 라고 되있는데테스트에서는 @Transaction에 의해 자동으로 메소드가 끝나면 rollback되니까 영향을 끼치지 못한다. 라고 이해하면 될까요??정리하면rollback이 테이블자체를 삭제하는 것은 아니니까 ddl-auto: create와 다르지만 결과에는 영향을 끼치지 않는다. 라고 이해하면 될까요?답변주시면 정말 감사하겠습니다.

영한쌤은 create, drop 이런식으로 나왔는데 저만 안뜨는건가요?

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

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]여기에 질문 내용을 남겨주세요.Test자바 파일 실행시,"C:\Program Files\Java\jdk-20\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\lib\idea_rt.jar=57983:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\bin" -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\lib\idea_rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.1.1\plugins\junit\lib\junit5-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 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b71b400e4136fc3a286f50e34a68ecb7\angus-activation-2.0.1.jar;C:\Users\Me\.gradle\caches\modules-2\files-2.1\org.glassfish.jaxb\txw2\4.0.3\47b8fe31c6d1a3382203af919400527389e01e9c\txw2-4.0.3.jar;C:\Users\Me\.gradle\caches\modules-2\files-2.1\com.sun.istack\istack-commons-runtime\4.1.2\18ec117c85f3ba0ac65409136afa8e42bc74e739\istack-commons-runtime-4.1.2.jar" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit4 jpabook.jpashop.MemberRepositoryTest23:14:14.131 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils -- Could not detect default configuration classes for test class [jpabook.jpashop.MemberRepositoryTest]: MemberRepositoryTest does not declare any static, non-private, non-final, nested classes annotated with @Configuration.23:14:14.250 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper -- Found @SpringBootConfiguration jpabook.jpashop.JpashopApplication for test class jpabook.jpashop.MemberRepositoryTest처럼 뜨고 DB에 MEMBER 테이블이 생성되지 않습니다. 무엇이 문제일까요

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

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

강의를 보며 따라하면서 기존 클래스들을 변형하여 진행할 때 test 코드 작성 시 다음과 같이 에러가 뜹니다처음에는 이런 문구가 뜨고 스프링부트 3.x 를 쓰고있어서 @ExtendWith(SpringExtension.class) //junit 5 로 변경하고 나서야 다음과 같은 문구가 뜹니다.강의에서 @RequiredArgsConstructor 를 쓰면 final을 선언해줘야한다고 해서 강의와 동일하게 진행했으나 service의 join에서 null값이 생기는 것 같은데 어디가 문제인지 모르겠습니다.java.lang.NullPointerException: Cannot invoke because "this." is nullbuild.grable 은 다음과 같습니다.plugins { id 'java' id 'org.springframework.boot' version '3.0.7' id 'io.spring.dependency-management' version '1.1.0' } configurations { compileOnly { extendsFrom annotationProcessor } } repositories { mavenCentral() } dependencies {implementation 'org.springframework.boot:spring-boot-starter-data-jpa' // implementation 'org.springframework.boot:spring-boot-starter-security' implementation 'org.springframework.boot:spring-boot-starter-validation' //유효성 검증 implementation 'org.springframework.boot:spring-boot-starter-thymeleaf' //web view implementation 'org.springframework.boot:spring-boot-starter-web' compileOnly 'org.projectlombok:lombok' // runtimeOnly 'com.mysql:mysql-connector-j' runtimeOnly 'com.h2database:h2' annotationProcessor 'org.projectlombok:lombok' testImplementation 'org.springframework.boot:spring-boot-starter-test' // testImplementation 'org.springframework.security:spring-security-test' //JUnit4 추가 testImplementation("org.junit.vintage:junit-vintage-engine") { exclude group: "org.hamcrest", module: "hamcrest-core" } } test { useJUnitPlatform() } tasks.named('test') { useJUnitPlatform() }Userpackage domain; import jakarta.persistence.*; import lombok.Builder; import lombok.Getter; import lombok.Setter; @Entity @Getter @Setter //@NotNull public class User { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name = "id", updatable = false) private Long id; //auto increment @Column(name = "email", nullable = false) private String email; //id @Column(length = 200 ,name ="password") private String password; @Column(name = "name", nullable = false) private String name; @Column(name= "phone" ,nullable = false ) private String phone; @Builder public User(){ this.email =email; // this.name=name; } } UserRepositorypackage domain; import jakarta.persistence.EntityManager; import jakarta.persistence.PersistenceContext; import org.springframework.stereotype.Repository; import java.util.List; @Repository public class UserRepository { @PersistenceContext private EntityManager em; public void save(User user){ em.persist(user); } public User findOne(String email) { //email 값으로 멤버값 반환 return em.find(User.class, email); } //리스트조회 public List<User> findAll(){ return em.createQuery("select u from User u", User.class) .getResultList(); } //특정값으로 조회 public List<User> findByName(String name) { return em.createQuery("select u fromUser u where u.name = :name", User.class) .setParameter("name", name) .getResultList(); } } UserServicepackage domain; import lombok.RequiredArgsConstructor; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.util.List; @Service @Transactional(readOnly = true) @RequiredArgsConstructor //final있는 field 로 생성자 public class UserService { private final UserRepository userRepository; // @Transactional public String join(User user){ validateDuplicateMember(user); // 중복 회원 검증 userRepository.save(user); //error : line 13 선언변수 그대로 가져와야함 return user.getEmail(); } private void validateDuplicateMember(User user){ List<User> findUsers = userRepository.findByName(user.getName()); if(!findUsers.isEmpty()) { throw new IllegalStateException("이미 존재하는 회원입니다."); } } } UserServiceTestpackage domain; import org.junit.Test; import org.junit.jupiter.api.extension.ExtendWith; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit.jupiter.SpringExtension; import org.springframework.test.context.junit4.SpringRunner; import org.springframework.transaction.annotation.Transactional; import static org.junit.Assert.assertEquals; //메모리 모드 DB 연계 테스트 //@RunWith(SpringRunner.class) //junit 4 @ExtendWith(SpringExtension.class) //junit 5 @SpringBootTest @Transactional //rollback public class UserServiceTest { @Autowired UserService userService; @Autowired UserRepository userRepository; @Test public void 회원가입() throws Exception { //Given User user = new User(); user.setEmail("fitplace@naver.com"); //email 로 검증 -> name은 중복 존재 가능성 o //When String saveEmail = userService.join(user); //Then assertEquals(user, userRepository.findOne(saveEmail)); } // @Test(expected = IllegalStateException.class) // public void 중복_회원_제외() throws Exception { // //Given // // //When // // //Then // // } // } 

회원 - 주문 관계에서 관계를 설정할 때는 주문 엔티티에서 public void setMember(Member member) { this.member = member; member.getOrders().add(this); }이렇게 관계를 설점함과 동시에 주문- 주문상품 -상품 관계를 설정할 때도 주문 엔티티에서 관계를 설정하더라구요public void addOrderItem(OrderItem orderitem){orderItems.add(orderitem);orderitem.setOrder(this);}이 과정은 어느 엔티티에 하던 상관 없는건가요?

안녕하세요! 실무에서 겪었던 문제에 대한 조언을 구하고 싶습니다.강의를 들으며 test 하위에 application.yml을 만들면 테스트코드 돌릴 때 해당 yml 설정을 따른다고 배워서 적용했습니다. application-local.ymlapplication-prod.yml이런 식으로 뒤에 - 프로필이 붙은 형태이고테스트 폴더 하위에도application-local.yml파일을 만들었습니다. DB 연결이 안되길래 prod.yml 쪽으로 연결 시도를 하는거 같아테스트 코드에@ActiveProfiles("local")을 붙여주었고 테스트 서버 DB에 잘 붙어서 테스트코드를 작성했습니다.(main/applicatino-local.yml 역시 테스트 서버 DB에 연결되어 있는 상태)테스트코드를 작성하다보니 이게 불편하더라구요그래서 h2 인메모리 DB를 사용하고자 테스트 코드용 yml에 설정을 해주었습니다.jpa ddl auto 설정도 create 였구요..ㅎㅎㅎ 동료 개발자분이 테스트 서비스 로그인이 안된다길래 보니 테스트 디비 데이터가 다 날아갔습니다,,,하하하하정말 식은땀이 주륵..... 다행히 얼마 전에 다른 작업으로 백업을 해둔게 있어서 그걸로 복구했습니다만 정말 아찔했습니다 ㅠㅠ main/appication-local.yml 의 datasource url로 연결하고test/appication-local.yml 의 ddl-auto: create 설정을 따른 것으로 보여지는데왜 이런걸까요?저는 test/appication-local.yml 설정만 따를 거라고 생각했는데.. 제가 원하는 것은 local에서 서버를 직접 띄워서 사용할 때는 test 서버 db에 연결하고 싶고테스트 코드 돌릴 때는 인메모리 h2를 사용하고 싶습니다.이런 경우에 어떻게 사용하면 좋을까요? main/applilcation-local.ymldatssource: 테스트 서버 DB test/applilcation-local.ymldatssource: 인메모리 h2 DBjpa ddlauto: create -> 테스트 서버 디비 데이터 다 날아감내가 원하는 것 : 테스트 코드는 test/applilcation-local.yml 설정만을 따라 인메모리 DB 사용

프로젝트 압축 링크https://drive.google.com/file/d/1xah6ydIWZ1kN-mzwr3-aPRF3Xm9WpRkw/view?usp=sharing 전체 오류 내용은 다음과 같습니다.java.lang.IllegalStateException: Failed to load ApplicationContext for [WebMergedContextConfiguration@7df4709e testClass = jpabook.jpashop.MemberRepositoryTest, locations = [], classes = [jpabook.jpashop.JpashopApplication], contextInitializerClasses = [], activeProfiles = [], propertySourceLocations = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@1f, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@29e495ff, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@a3d8174, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@120f102b, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@247d8ae, org.springframework.boot.test.context.SpringBootTestAnnotation@6e0b0ab3], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null]at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:143)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.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228)at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291)at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247)at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)at org.junit.runners.ParentRunner.run(ParentRunner.java:413)at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)at org.junit.runner.JUnitCore.run(JUnitCore.java:137)at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:232)at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:55)Caused by: org.springframework.beans.factory.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=jpabook.jpashop.Member]at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1770)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:598)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:520)at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1154)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:931)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:608)at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734)at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:436)at org.springframework.boot.SpringApplication.run(SpringApplication.java:312)at org.springframework.boot.test.context.SpringBootContextLoader.lambda$loadContext$3(SpringBootContextLoader.java:137)at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:58)at org.springframework.util.function.ThrowingSupplier.get(ThrowingSupplier.java:46)at org.springframework.boot.SpringApplication.withHook(SpringApplication.java:1406)at org.springframework.boot.test.context.SpringBootContextLoader$ContextLoaderHook.run(SpringBootContextLoader.java:545)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:187)at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:119)... 27 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=jpabook.jpashop.Member]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:1816)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1766)... 48 moreCaused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=jpabook.jpashop.Member]at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:230)at org.hibernate.id.factory.internal.IdentifierGeneratorUtil.createLegacyIdentifierGenerator(IdentifierGeneratorUtil.java:126)at org.hibernate.mapping.SimpleValue.createGenerator(SimpleValue.java:414)at org.hibernate.internal.SessionFactoryImpl.lambda$createGenerators$1(SessionFactoryImpl.java:413)at java.base/java.util.stream.ForEachOps$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.createGenerators(SessionFactoryImpl.java:412)at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:249)at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:431)at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1455)at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:75)at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:376)at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409)... 52 moreCaused by: org.hibernate.HibernateException: Could not fetch the SequenceInformation from the databaseat org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList(ExtractedDatabaseMetaDataImpl.java:307)at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.getSequenceInformationList(ExtractedDatabaseMetaDataImpl.java:151)at org.hibernate.id.enhanced.SequenceStyleGenerator.getSequenceIncrementValue(SequenceStyleGenerator.java:568)at org.hibernate.id.enhanced.SequenceStyleGenerator.configure(SequenceStyleGenerator.java:216)at org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator(StandardIdentifierGeneratorFactory.java:224)... 71 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:291)... 75 more  1년전 수강 완료한 강의지만 다시 듣는 과정에서 오류가 발생한거라작년 코드와 비교도 해보고 구글링을 통해 build.gradle이나 application.yml에 문제가 있는 것 같다고 생각했지만아직 해결하지 못했습니다. 현재 제 applicaiton.yml 이고build.gradle 입니다plugins {id 'java'id 'org.springframework.boot' version '3.1.1'id 'io.spring.dependency-management' version '1.1.0'}group = 'jpabook'version = '0.0.1-SNAPSHOT'java {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-thymeleaf'implementation 'org.springframework.boot:spring-boot-starter-web'implementation 'org.springframework.boot:spring-boot-devtools'implementation group: 'org.javassist', name: 'javassist', version: '3.15.0-GA' //test코드 오류나서 추가testImplementation 'junit:junit:4.13.1'compileOnly 'org.projectlombok:lombok'runtimeOnly 'com.h2database:h2'annotationProcessor 'org.projectlombok:lombok'testImplementation 'org.springframework.boot:spring-boot-starter-test'testImplementation("org.junit.vintage:junit-vintage-engine") {exclude group: "org.hamcrest", module: "hamcrest-core"}}tasks.named('test') {useJUnitPlatform()}