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묻고 답해요

172만명의 커뮤니티!! 함께 토론해봐요.

MemberRepositoryTest에서 BeanCreationException 등이 발생합니다.

해결됨

실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발

JPA와 DB 설정, 동작확인의 테스트코드를 실행하는 중 오류가 나서 질문 드립니다. 가끔 jpashop.mv .db를 삭제 후 처음부터 생성을 다시하면 첫 테스트 실행시에는 에러가 나지 않을때가 있으나, 두번째 실행부터는 같은 오류가 다시 반복됩니다. Rollback(false)를 사용하지 않아도 콘솔창에서 롤백한다는 메시지도 나오지 않았습니다. MVCC=true 부분도 삭제해봤고, application.yml이랑 build.gradle도 여러번 확인했습니다. MemberRepository 입니다. Member 클래스 입니다. 오류가 나는 테스트코드 입니다. 처음 생성시 Junit4로 만들었습니다. application.yml 입니다. build.gradle 입니다. h2는 실행중이며, 1.4.200 버전 입니다. 강의자료에서 해당 버전 사용하라고 명시되어 있어 다른 버전으로는 사용해보지 않았습니다. 아래는 오류 전문입니다. Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled. 2023-01-25T20:44:53.061+09:00 ERROR 21512 --- [ Test worker] o.s.boot.SpringApplication : Application run failed 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: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$9( NodeTestTask.java:139 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.ThrowableCollector.execute( ThrowableCollector.java:73 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.NodeTestTask.executeRecursively( NodeTestTask.java:138 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.NodeTestTask.execute( NodeTestTask.java:95 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.SameThreadHierarchicalTestExecutorService.submit( SameThreadHierarchicalTestExecutorService.java:35 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.HierarchicalTestExecutor.execute( HierarchicalTestExecutor.java:57 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.HierarchicalTestEngine.execute( HierarchicalTestEngine.java:54 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:107 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:88 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0( EngineExecutionOrchestrator.java:54 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams( EngineExecutionOrchestrator.java:67 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:52 ) ~[na:na] at org.junit.platform.launcher.core.DefaultLauncher.execute( DefaultLauncher.java:114 ) ~[na:na] at org.junit.platform.launcher.core.DefaultLauncher.execute( DefaultLauncher.java:86 ) ~[na:na] at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute( DefaultLauncherSession.java:86 ) ~[na:na] at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute( SessionPerRequestLauncher.java:53 ) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses( JUnitPlatformTestClassProcessor.java:99 ) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000( JUnitPlatformTestClassProcessor.java:79 ) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop( JUnitPlatformTestClassProcessor.java:75 ) ~[na:na] at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop( SuiteTestClassProcessor.java:62 ) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke( NativeMethodAccessorImpl.java:77 ) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke( DelegatingMethodAccessorImpl.java:43 ) ~[na:na] at java.base/java.lang.reflect.Method.invoke( Method.java:568 ) ~[na:na] at org.gradle.internal.dispatch.ReflectionDispatch.dispatch( ReflectionDispatch.java:36 ) ~[na:na] at org.gradle.internal.dispatch.ReflectionDispatch.dispatch( ReflectionDispatch.java:24 ) ~[na:na] at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch( ContextClassLoaderDispatch.java:33 ) ~[na:na] at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke( ProxyDispatchAdapter.java:94 ) ~[na:na] at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run( TestWorker.java:193 ) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName( TestWorker.java:129 ) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute( TestWorker.java:100 ) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute( TestWorker.java:60 ) ~[na:na] at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute( ActionExecutionWorker.java:56 ) ~[na:na] at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call ( SystemApplicationClassLoaderWorker.java:113 ) ~[na:na] at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call ( SystemApplicationClassLoaderWorker.java:65 ) ~[na:na] at worker.org.gradle.process.internal.worker.GradleWorkerMain.run ( GradleWorkerMain.java:69 ) ~[gradle-worker.jar:na] at worker.org .gradle.process.internal.worker.GradleWorkerMain.main( GradleWorkerMain.java:74 ) ~[gradle-worker.jar:na] Caused by: 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 ) ~[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] ... 108 common frames omitted Caused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=jpabook.jpashop.Member] 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] ... 112 common frames omitted Caused 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 ] ... 130 common frames omitted Caused 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$0( SequenceInformationExtractorLegacyImpl.java:54 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] at org.hibernate.tool.schema.extract.spi.ExtractionContext.getQueryResults( ExtractionContext.java:50 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata( SequenceInformationExtractorLegacyImpl.java:39 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList( ExtractedDatabaseMetaDataImpl.java:286 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] ... 134 common frames omitted ============================ CONDITIONS EVALUATION REPORT ============================ Positive matches: ----------------- None Negative matches: ----------------- None Exclusions: ----------- None Unconditional classes: ---------------------- None 2023-01-25T20:44:53.094+09:00 ERROR 21512 --- [ Test worker] o.s.test.context.TestContextManager : Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener] to prepare test instance [jpabook.jpashop.MemberRepositoryTest@5bd3ca3c] java.lang.IllegalStateException: Failed to load ApplicationContext for [WebMergedContextConfiguration@37f71c05 testClass = jpabook.jpashop.MemberRepositoryTest, locations = [], classes = [jpabook.jpashop.JpashopApplication], contextInitializerClasses = [], activeProfiles = [], propertySourceLocations = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@9da1, org.springframework.boot.test.autoconfigure.properties .PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@1338fb5, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@fade1fc, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7103cb56, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@57ea113a, org.springframework.test.context.web.socket.MockServerContainerContextCustomizer@2072acb2, org.springframework.boot.test.context.SpringBootTestAnnotation@b8b80442], 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$9( NodeTestTask.java:139 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.ThrowableCollector.execute( ThrowableCollector.java:73 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.NodeTestTask.executeRecursively( NodeTestTask.java:138 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.NodeTestTask.execute( NodeTestTask.java:95 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.SameThreadHierarchicalTestExecutorService.submit( SameThreadHierarchicalTestExecutorService.java:35 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.HierarchicalTestExecutor.execute( HierarchicalTestExecutor.java:57 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.engine.support .hierarchical.HierarchicalTestEngine.execute( HierarchicalTestEngine.java:54 ) ~[junit-platform-engine-1.9.2.jar:1.9.2] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:107 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:88 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0( EngineExecutionOrchestrator.java:54 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams( EngineExecutionOrchestrator.java:67 ) ~[na:na] at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:52 ) ~[na:na] at org.junit.platform.launcher.core.DefaultLauncher.execute( DefaultLauncher.java:114 ) ~[na:na] at org.junit.platform.launcher.core.DefaultLauncher.execute( DefaultLauncher.java:86 ) ~[na:na] at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute( DefaultLauncherSession.java:86 ) ~[na:na] at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute( SessionPerRequestLauncher.java:53 ) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses( JUnitPlatformTestClassProcessor.java:99 ) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000( JUnitPlatformTestClassProcessor.java:79 ) ~[na:na] at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop( JUnitPlatformTestClassProcessor.java:75 ) ~[na:na] at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop( SuiteTestClassProcessor.java:62 ) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke( NativeMethodAccessorImpl.java:77 ) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke( DelegatingMethodAccessorImpl.java:43 ) ~[na:na] at java.base/java.lang.reflect.Method.invoke( Method.java:568 ) ~[na:na] at org.gradle.internal.dispatch.ReflectionDispatch.dispatch( ReflectionDispatch.java:36 ) ~[na:na] at org.gradle.internal.dispatch.ReflectionDispatch.dispatch( ReflectionDispatch.java:24 ) ~[na:na] at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch( ContextClassLoaderDispatch.java:33 ) ~[na:na] at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke( ProxyDispatchAdapter.java:94 ) ~[na:na] at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run( TestWorker.java:193 ) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName( TestWorker.java:129 ) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute( TestWorker.java:100 ) ~[na:na] at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute( TestWorker.java:60 ) ~[na:na] at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute( ActionExecutionWorker.java:56 ) ~[na:na] at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call ( SystemApplicationClassLoaderWorker.java:113 ) ~[na:na] at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call ( SystemApplicationClassLoaderWorker.java:65 ) ~[na:na] at worker.org.gradle.process.internal.worker.GradleWorkerMain.run ( GradleWorkerMain.java:69 ) ~[gradle-worker.jar:na] at worker.org .gradle.process.internal.worker.GradleWorkerMain.main( GradleWorkerMain.java:74 ) ~[gradle-worker.jar:na] Caused by: org.springframework.beans.factory.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: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] ... 87 common frames omitted 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=jpabook.jpashop.Member] 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] ... 108 common frames omitted Caused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=jpabook.jpashop.Member] 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] ... 112 common frames omitted Caused 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 ] ... 130 common frames omitted Caused 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$0( SequenceInformationExtractorLegacyImpl.java:54 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] at org.hibernate.tool.schema.extract.spi.ExtractionContext.getQueryResults( ExtractionContext.java:50 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] at org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata( SequenceInformationExtractorLegacyImpl.java:39 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] at org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList( ExtractedDatabaseMetaDataImpl.java:286 ) ~[ hibernate-core-6.1.6.Final .jar: 6.1.6.Final ] ... 134 common frames omitted Failed to load ApplicationContext for [WebMergedContextConfiguration@37f71c05 testClass = jpabook.jpashop.MemberRepositoryTest, locations = [], classes = [jpabook.jpashop.JpashopApplication], contextInitializerClasses = [], activeProfiles = [], propertySourceLocations = [], propertySourceProperties = ["org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true"], contextCustomizers = [org.springframework.boot.test.autoconfigure.actuate.observability.ObservabilityContextCustomizerFactory$DisableObservabilityContextCustomizer@9da1, org.springframework.boot.test.autoconfigure.properties .PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@1338fb5, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@fade1fc, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7103cb56, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@57ea113a, org.springframework.test.context.web.socket.MockServerContainerContextCustomizer@2072acb2, org.springframework.boot.test.context.SpringBootTestAnnotation@b8b80442], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null] java.lang.IllegalStateException: Failed to load ApplicationContext for [WebMergedContextConfiguration@37f71c05 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$DisableObservabilityContextCustomizer@9da1, org.springframework.boot.test.autoconfigure.properties .PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@1338fb5, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@fade1fc, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7103cb56, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@57ea113a, org.springframework.test.context.web.socket.MockServerContainerContextCustomizer@2072acb2, org.springframework.boot.test.context.SpringBootTestAnnotation@b8b80442], resourceBasePath = "src/main/webapp", contextLoader = org.springframework.boot.test.context.SpringBootContextLoader, parent = null] at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext( DefaultCacheAwareContextLoaderDelegate.java:142 ) at org.springframework.test.context.support .DefaultTestContext.getApplicationContext( DefaultTestContext.java:127 ) at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary( ServletTestExecutionListener.java:191 ) at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance( ServletTestExecutionListener.java:130 ) at org.springframework.test.context.TestContextManager.prepareTestInstance( TestContextManager.java:241 ) at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance( SpringExtension.java:138 ) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$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$9( NodeTestTask.java:139 ) at org.junit.platform.engine.support .hierarchical.ThrowableCollector.execute( ThrowableCollector.java:73 ) at org.junit.platform.engine.support .hierarchical.NodeTestTask.executeRecursively( NodeTestTask.java:138 ) at org.junit.platform.engine.support .hierarchical.NodeTestTask.execute( NodeTestTask.java:95 ) at org.junit.platform.engine.support .hierarchical.SameThreadHierarchicalTestExecutorService.submit( SameThreadHierarchicalTestExecutorService.java:35 ) at org.junit.platform.engine.support .hierarchical.HierarchicalTestExecutor.execute( HierarchicalTestExecutor.java:57 ) at org.junit.platform.engine.support .hierarchical.HierarchicalTestEngine.execute( HierarchicalTestEngine.java:54 ) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:107 ) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:88 ) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0( EngineExecutionOrchestrator.java:54 ) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams( EngineExecutionOrchestrator.java:67 ) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute( EngineExecutionOrchestrator.java:52 ) at org.junit.platform.launcher.core.DefaultLauncher.execute( DefaultLauncher.java:114 ) at org.junit.platform.launcher.core.DefaultLauncher.execute( DefaultLauncher.java:86 ) at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute( DefaultLauncherSession.java:86 ) at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute( SessionPerRequestLauncher.java:53 ) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses( JUnitPlatformTestClassProcessor.java:99 ) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000( JUnitPlatformTestClassProcessor.java:79 ) at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop( JUnitPlatformTestClassProcessor.java:75 ) at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop( SuiteTestClassProcessor.java:62 ) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke( NativeMethodAccessorImpl.java:77 ) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke( DelegatingMethodAccessorImpl.java:43 ) at java.base/java.lang.reflect.Method.invoke( Method.java:568 ) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch( ReflectionDispatch.java:36 ) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch( ReflectionDispatch.java:24 ) at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch( ContextClassLoaderDispatch.java:33 ) at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke( ProxyDispatchAdapter.java:94 ) at jdk.proxy1/jdk.proxy1.$Proxy2.stop(Unknown Source) at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run( TestWorker.java:193 ) at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName( TestWorker.java:129 ) at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute( TestWorker.java:100 ) at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute( TestWorker.java:60 ) at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute( ActionExecutionWorker.java:56 ) at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call ( SystemApplicationClassLoaderWorker.java:113 ) at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call ( SystemApplicationClassLoaderWorker.java:65 ) at worker.org.gradle.process.internal.worker.GradleWorkerMain.run ( GradleWorkerMain.java:69 ) at worker.org .gradle.process.internal.worker.GradleWorkerMain.main( GradleWorkerMain.java:74 ) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not instantiate id generator [entity-name=jpabook.jpashop.Member] at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean( AbstractAutowireCapableBeanFactory.java:1751 ) at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean( AbstractAutowireCapableBeanFactory.java:599 ) at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean( AbstractAutowireCapableBeanFactory.java:521 ) at app//org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0( AbstractBeanFactory.java:326 ) at app//org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton( DefaultSingletonBeanRegistry.java:234 ) at app//org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean( AbstractBeanFactory.java:324 ) at app//org.springframework.beans.factory.support.AbstractBeanFactory.getBean( AbstractBeanFactory.java:200 ) at app//org.springframework.context.support.AbstractApplicationContext.getBean( AbstractApplicationContext.java:1130 ) at app//org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization( AbstractApplicationContext.java:905 ) at app//org.springframework.context.support.AbstractApplicationContext.refresh( AbstractApplicationContext.java:584 ) at app//org.springframework.boot.SpringApplication.refresh( SpringApplication.java:730 ) at app//org.springframework.boot.SpringApplication.refreshContext( SpringApplication.java:432 ) at app//org.springframework.boot.SpringApplication.run( SpringApplication.java:308 ) at app//org.springframework.boot.test.context.SpringBootContextLoader.lambda$loadContext$3( SpringBootContextLoader.java:137 ) at app//org.springframework.util.function.ThrowingSupplier.get( ThrowingSupplier.java:59 ) at app//org.springframework.util.function.ThrowingSupplier.get( ThrowingSupplier.java:47 ) at app//org.springframework.boot.SpringApplication.withHook( SpringApplication.java:1386 ) at app//org.springframework.boot.test.context.SpringBootContextLoader$ContextLoaderHook.run( SpringBootContextLoader.java:543 ) at app//org.springframework.boot.test.context.SpringBootContextLoader.loadContext( SpringBootContextLoader.java:137 ) at app//org.springframework.boot.test.context.SpringBootContextLoader.loadContext( SpringBootContextLoader.java:108 ) at app//org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal( DefaultCacheAwareContextLoaderDelegate.java:184 ) at app//org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext( DefaultCacheAwareContextLoaderDelegate.java:118 ) ... 87 more 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=jpabook.jpashop.Member] at app//org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory( AbstractEntityManagerFactoryBean.java:421 ) at app//org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet( AbstractEntityManagerFactoryBean.java:396 ) at app//org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet( LocalContainerEntityManagerFactoryBean.java:352 ) at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods( AbstractAutowireCapableBeanFactory.java:1797 ) at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean( AbstractAutowireCapableBeanFactory.java:1747 ) ... 108 more Caused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=jpabook.jpashop.Member] at app//org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator( StandardIdentifierGeneratorFactory.java:222 ) at app//org.hibernate.mapping.SimpleValue.createIdentifierGenerator( SimpleValue.java:515 ) at app//org.hibernate.mapping.SimpleValue.createIdentifierGenerator( SimpleValue.java:372 ) at app//org.hibernate.internal.SessionFactoryImpl.lambda$new$1( SessionFactoryImpl.java:293 ) at java.base@17.0.2/ java.util.stream .ForEachOps$ForEachOp$OfRef.accept( ForEachOps.java:183 ) at java.base@17.0.2/ java.util.stream .ReferencePipeline$2$1.accept( ReferencePipeline.java:179 ) at java.base@17.0.2/java.util.HashMap$ValueSpliterator.forEachRemaining( HashMap.java:1779 ) at java.base@17.0.2/ java.util.stream .AbstractPipeline.copyInto( AbstractPipeline.java:509 ) at java.base@17.0.2/ java.util.stream .AbstractPipeline.wrapAndCopyInto( AbstractPipeline.java:499 ) at java.base@17.0.2/ java.util.stream .ForEachOps$ForEachOp.evaluateSequential( ForEachOps.java:150 ) at java.base@17.0.2/ java.util.stream .ForEachOps$ForEachOp$OfRef.evaluateSequential( ForEachOps.java:173 ) at java.base@17.0.2/ java.util.stream .AbstractPipeline.evaluate( AbstractPipeline.java:234 ) at java.base@17.0.2/ java.util.stream .ReferencePipeline.forEach( ReferencePipeline.java:596 ) at app//org.hibernate.internal.SessionFactoryImpl.<init>( SessionFactoryImpl.java:292 ) at app//org.hibernate.boot.internal.SessionFactoryBuilderImpl.build( SessionFactoryBuilderImpl.java:415 ) at app//org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build( EntityManagerFactoryBuilderImpl.java:1425 ) at app//org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory( SpringHibernateJpaPersistenceProvider.java:66 ) at app//org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory( LocalContainerEntityManagerFactoryBean.java:376 ) at app//org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory( AbstractEntityManagerFactoryBean.java:409 ) ... 112 more Caused by: org.hibernate.HibernateException: Could not fetch the SequenceInformation from the database at app//org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList( ExtractedDatabaseMetaDataImpl.java:302 ) at app//org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.getSequenceInformationList( ExtractedDatabaseMetaDataImpl.java:151 ) at app//org.hibernate.id.enhanced.SequenceStyleGenerator.getSequenceIncrementValue( SequenceStyleGenerator.java:561 ) at app//org.hibernate.id.enhanced.SequenceStyleGenerator.configure( SequenceStyleGenerator.java:210 ) at app//org.hibernate.id.factory.internal.StandardIdentifierGeneratorFactory.createIdentifierGenerator( StandardIdentifierGeneratorFactory.java:217 ) ... 130 more Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException: Column "start_value" not found [42122-214] at app//org.h2.message.DbException.getJdbcSQLException( DbException.java:502 ) at app//org.h2.message.DbException.getJdbcSQLException( DbException.java:477 ) at app//org.h2.message.DbException.get( DbException.java:223 ) at app//org.h2.message.DbException.get( DbException.java:199 ) at app//org.h2.jdbc.JdbcResultSet.getColumnIndex( JdbcResultSet.java:3492 ) at app//org.h2.jdbc.JdbcResultSet.getLong( JdbcResultSet.java:745 ) at app//com.zaxxer.hikari.pool.HikariProxyResultSet.getLong( HikariProxyResultSet.java ) at app//org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.resultSetStartValueSize( SequenceInformationExtractorLegacyImpl.java:110 ) at app//org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.lambda$extractMetadata$0( SequenceInformationExtractorLegacyImpl.java:54 ) at app//org.hibernate.tool.schema.extract.spi.ExtractionContext.getQueryResults( ExtractionContext.java:50 ) at app//org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata( SequenceInformationExtractorLegacyImpl.java:39 ) at app//org.hibernate.engine.jdbc.env.internal.ExtractedDatabaseMetaDataImpl.sequenceInformationList( ExtractedDatabaseMetaDataImpl.java:286 ) ... 134 more MemberRepositoryTest > testMember() FAILED java.lang.IllegalStateException at DefaultCacheAwareContextLoaderDelegate.java:142 Caused by: org.springframework.beans.factory.BeanCreationException at AbstractAutowireCapableBeanFactory.java:1751 Caused by: jakarta.persistence.PersistenceException at AbstractEntityManagerFactoryBean.java:421 Caused by: org.hibernate.MappingException at StandardIdentifierGeneratorFactory.java:222 Caused by: org.hibernate.HibernateException at ExtractedDatabaseMetaDataImpl.java:302 Caused by: org.h2.jdbc.JdbcSQLSyntaxErrorException at DbException.java:502 1 test completed, 1 failed > Task :test FAILED FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':test'. > There were failing tests. See the report at: file:///C:/Users/User/source/BackEnd/SpringBoot1/jpashop/jpashop/build/reports/tests/test/index.html * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. * Get more help at https://help.gradle.org BUILD FAILED in 8s 4 actionable tasks: 2 executed, 2 up-to-date

  • 웹앱
  • 웹앱
  • spring
  • java
  • JPA
  • jpa
  • spring-boot
장혁수 댓글 1 좋아요 1 조회수 471

안녕하세요 MSA 구성을 진행하고 있는 뉴비 신입 개발자입니다.

미해결

스프링 시큐리티 OAuth2

KeyCloak 을 인가서버로 활용하고 Resource 자원 사용하는 Data API 인가 처리를 하는 Auth API (Gateway) 를 구현해서 진행하고 있습니다. 그런데 너무 여러가지 방식이 많다보니 혼돈이 와서 선생님이 가르쳐주신 방식으로 인가와 인증을 구현하려고하는데, 인가 서버 -> KeyCloak 사용 게이트 웨이에 Oauth2 를 넣으려고 하는데 개념적으로 궁금한 점이 있어 여쭤봅니다. 공개 클라이언트 방식과 기밀 클라이언트 가 구현함에 있어 어떤 차이를 가지는지 의문입니다. 가령 react -> KeyCloak 요청 시 token 을 바로 가져오려고 하는데, 이 토큰을 받는 것 까진 문제가 없습니다. 하지만 영상에서 보여주신 것과 같이 자원 API 로 접근하는 권한을 획득하기 위해서 기밀 클라이언트 방식으로 구현하면 code 를 리다이렉트 받은 uri 와 token 요청시 리다이렉트 uri 가 같아야하는 문제가 있어서 code 를 auth api 로 받은 뒤 토큰 엔드포인트를 찍어 스프링 프로젝트에서 가져올 때 오류가 발생합니다. react -> keycloak -> code 반환 받은 것 -> spring -> redirect uri 문제로 토큰 발급 불가 가 되는데 어떤 형식으로 처리해야 맞는 것인지 궁금합니다.

  • spring
  • oauth
  • spring-boot
  • java
jisu3316 댓글 2 좋아요 1 조회수 1406

Cannot read properties of undefined (reading 'map')

미해결

Slack 클론 코딩[실시간 채팅 with React]

제로초님, 코드를 따라친 후에 로그아웃을 하고 다시 로그인 하면 이런 에러메세지가 뜹니다. 그런데 네트워크 탭을 보면 로그인이 정상적으로 된거 같아서 새로고침을 하면 에러 메세지가 사라지고 슬랙에서 로그인된 화면이 제대로 뜹니다. 근데 또 여기서 워크스페이스를 생성하려고 하면 콘솔에 axioserror메세지가 떠서 어떻게 해야될지 모르겠습니다.. Workspace/index.tsx import axios from "axios"; import React, { FC, useCallback, useState } from "react"; import useSWR from 'swr'; import fetcher from "@utils/fetcher"; import { Navigate, Routes, Route } from "react-router-dom"; import { AddButton, Channels, Chats, Header, LogOutButton, MenuScroll, ProfileImg, ProfileModal, RightMenu, WorkspaceButton, WorkspaceName, Workspaces, WorkspaceWrapper } from "@layouts/Workspace/style"; import gravatar from 'gravatar'; import loadable from '@loadable/component'; import Menu from "../../components/Menu"; import Modal from "../../components/Modal"; import { Link } from "react-router-dom"; import { IUser } from "@typings/db"; import { Button, Input, Label } from "@pages/SignUp/styles"; import useInput from "@hooks/useInput"; import {toast} from 'react-toastify'; const Channel = loadable(() => import('@pages/Channel')); const DirectMessage = loadable(() => import('@pages/DirectMessage')); const Workspace: FC<React.PropsWithChildren<{}>> = ({children}) => { const [showUserMenu, setShowUserMenu] = useState(false); const [showCreateWorkspaceModal, setShowCreateWorkspaceModal] = useState(false); const [newWorkspace, onChangeNewWorkspace, setNewWorkspace] = useInput(''); const [newUrl, onChangeNewUrl, setNewUrl] = useInput(''); // revalidate = 서버로 요청 다시 보내서 데이터를 다시 가져옴 // mutate = 서버에 요청 안보내고 데이터를 수정 const {data: userData, error, mutate} = useSWR<IUser | false>('/api/users', fetcher, { dedupingInterval: 2000, }); const onLogout = useCallback(() => { axios.post('/api/users/logout', null , { withCredentials: true, }) .then(() => { mutate(false, false); }) }, []); const onClickUserProfile = useCallback((e: any) => { e.stopPropagation(); setShowUserMenu((prev) => !prev); }, []) const onClickCreateWorkspace = useCallback(() => { setShowCreateWorkspaceModal(true); }, []) const onCreateWorkspace = useCallback((e: any) => { e.preventDefault(); // 띄어쓰기도 검사해줘야됨 if(!newWorkspace || !newWorkspace.trim()) return; if(!newUrl || !newUrl.trim()) return; axios.post('http://localhost:3095/api/workspaces', { workspace: newWorkspace, url: newUrl, }, { withCredentials: true, }) .then(() => { mutate(); setShowCreateWorkspaceModal(false); setNewWorkspace(''); setNewUrl(''); }) .catch((error) => { console.dir(error); // 에러가 나면 사용자가 인지하게 해줌 toast.error(error.response?.data, { position: 'bottom-center' }) }) }, [newWorkspace, newUrl]) const onCloseModal = useCallback(() => { setShowCreateWorkspaceModal(false); }, []) if(!userData) { return <Navigate to="/login" /> } if(!userData) return null; return( <div> <Header> <RightMenu> <span onClick={onClickUserProfile}> <ProfileImg src={gravatar.url(userData.email, { s: '28px', d: 'retro' })} alt={userData.nickname} /> {showUserMenu && <Menu style={{ right: 0, top: 38 }} show={showUserMenu} onCloseModal={onClickUserProfile}> <ProfileModal> <img src={gravatar.url(userData.nickname, { s: '36px', d: 'retro' })} alt={userData.nickname} /> <div> <span id="profile-name">{userData.nickname}</span> <span id="profile-active">Active</span> </div> </ProfileModal> <LogOutButton onClick={onLogout}>로그아웃</LogOutButton> </Menu>} </span> </RightMenu> </Header> <WorkspaceWrapper> <Workspaces> {userData?.Workspaces.map((ws) => { return ( <Link key={ws.id} to={`/workspace/${123}/channel/일반`}> <WorkspaceButton>{ws.name.slice(0, 1).toUpperCase()}</WorkspaceButton> </Link> ); })} <AddButton onClick={onClickCreateWorkspace}>+</AddButton> </Workspaces> <Channels> <WorkspaceName>Sleact</WorkspaceName> <MenuScroll>menu scroll</MenuScroll> </Channels> <Chats> <Routes> <Route path="/channel" element={<Channel />} /> <Route path="/dm" element={<DirectMessage />} /> </Routes> </Chats> {/* Input이 들어있으면 별도의 컴포넌트로 빼는 것을 추천(input에 글자를 입력할 때마다 여기 있는 함수들이 다 리렌더링 되기 때문에 비효율적) */} </WorkspaceWrapper> <Modal show={showCreateWorkspaceModal} onCloseModal={onCloseModal}> <form onSubmit={onCreateWorkspace}> <Label id="workspace-label"> <span>워크스페이스 이름</span> <Input id="workspace" value={newWorkspace} onChange={onChangeNewWorkspace} /> </Label> <Label id="workspace-url-label"> <span>워크스페이스 이름</span> <Input id="workspace" value={newUrl} onChange={onChangeNewUrl} /> </Label> <Button type="submit">생성하기</Button> </form> </Modal> </div> ) } export default Workspace; Modal/index.tsx import React, { useCallback, FC } from "react"; import { CloseModalButton, CreateModal } from "./style"; interface Props { show: boolean; onCloseModal: () => void; children: React.ReactNode; } const Modal: FC<Props> = ({show, children, onCloseModal}) => { const stopPropagation = useCallback((e: any) => { e.stopPropagation() }, []); if(!show){ return null; } return( <CreateModal onClick={onCloseModal}> <div onClick={stopPropagation}> <CloseModalButton onClick={onCloseModal}>&times;</CloseModalButton> {children} </div> </CreateModal> ); }; export default Modal; swr2.0 버전, react v18, typescript v18 swr을 최신버전 사용해서 revalidate대신 mutate를 사용했는데 제가 잘못 사용한건지 모르겠습니다.

  • 클론코딩
  • babel
  • typescript
  • socket.io
  • 웹팩
  • react
  • 클론코딩
  • Socket.io
성창수 댓글 2 좋아요 0 조회수 1887

기존의 테이블이 삭제되지 않습니다.

해결됨

실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발

[질문 템플릿] 1. 강의 내용과 관련된 질문인가요? (예/아니오) 예 2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 예 3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오) 예 [질문 내용] 여기에 질문 내용을 남겨주세요. application.yml jpa: hibernate: ddl-auto: create 이라 되어 있는데, 기존의 테이블이 드랍되지 않습니다. 질문 게시판을 검색해보니, H2의 버전이 1.4.200인 경우에는 하이버네이트 버전을 5.4.13.Final 로 바꿔야 한다고 되어 있네요. 그래서, build.gradle 에 ext["hibernate.version"] = " 5.4.13.Final " 를 추가 해놓고 다시 돌려보니 이제는 엄청난 에러메시지가 나오네용.. 하이버네이트 버전을 바꾸는 방법이 올바르지 않았나요?

  • JPA
  • 웹앱
  • spring
  • spring-boot
  • jpa
  • java
  • 웹앱
Shin Berg 댓글 1 좋아요 0 조회수 532

Module not found

미해결

Slack 클론 코딩[실시간 채팅 with React]

제로초님 영상을 보고 따라하는 도중 Menu의 index.tsx작성 후에 Workspace로 옮겼는데, Module을 찾을 수 없다고 뜨는데, 어디가 잘못 된건지 모르겠습니다... components/Menu/index.tsx import React, { FC } from 'react'; import { CreateMenu } from './style'; const Menu: FC<React.PropsWithChildren<{}>> = ({ children }) => { return ( <CreateMenu> <div>menu</div> {children} </CreateMenu> ); }; export default Menu; Workspace/index.tsx import React, { FC } from 'react'; import { CreateMenu } from './style'; const Menu: FC<React.PropsWithChildren<{}>> = ({ children }) => { return ( <CreateMenu> <div>menu</div> {children} </CreateMenu> ); }; export default Menu; 에러메세지입니다. 혹시 몰라서 터미널에 뜬 에러메세지도 첨부하겠습니다

  • 클론코딩
  • Socket.io
  • typescript
  • socket.io
  • 웹팩
  • react
  • 클론코딩
  • babel
성창수 댓글 1 좋아요 0 조회수 389

void의 정확한 의미를 모르겠어요

해결됨

나도코딩의 자바 기본편 - 풀코스 (20시간)

안녕하세요 챕터 6 부분을 공부하고 있는데 void를 쓰는 경우와 안쓰는 경우의 차이가 잘 와닫지 않습니다. 리턴값이 없으면 void를 쓰고, 리턴값이 있으면 void를 안쓴다고 알고 있는데 리턴값부터 이해가 잘 가지 않네요! 예를 들어서 // 호텔 주소 public static String getAdress() { return "서울시 어딘가"; } 과 셋째 줄에 sout "서울시 어딘가" 를 쓰는 것은 무엇이 다른건지요? 감사합니다 :)

  • java
  • 객체지향
  • oop
liltjay 댓글 1 좋아요 1 조회수 4796

현업에서의 jpql

해결됨

실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화

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)예 2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오) [질문 내용] 여기에 질문 내용을 남겨주세요. 쿼리 dsl에서 많이 설명 해주셨는데요 그렇다면 dsl을 쓰는 현업에서는 jpql을 사용할 일이 전혀 없을까요 ? 전혀 없다고 해도 근본이 되는 jpql을 알아둬야 하겠지만 학습시간에 대한 비중을 어디에 크게 둬야 할지 의문입니다 .

  • java
  • spring-boot
  • jpa
  • JPA
  • dsl
  • spring
  • query
댓글 1 좋아요 0 조회수 985

팩토리 메서드를 정적으로 사용하는 이유에 대해서 궁금합니다

해결됨

실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발

안녕하세요 영한님 강의 잘 듣고 있습니다^^ 전부터 궁금해 왔던 것인데요, 팩토리를 만들 때 정적으로 올리는 이유에 대해서 궁금합니다 영한님이 다른 QnA에서 추천해 주신 내용들을 읽어보았으나 굳이 왜 "정적"영역으로 보내는 가에 대한 의문은 쉽게 풀리지 않습니다 ㅜㅜ 일단 정적 팩토리 메서드로 보내면 생성자들에 대한 응집도가 크게 떨어지는 느낌입니다. "엘레강트 오브젝트"라는 책을 보면 생성자는 10~15개 까지도 만들고 퍼블릭 메서드를 최대한 적게 가져가라고 가이드를 주는데요, 정적 영역으로 보내면 주/부 생성자로 보낼 수 없기 때문에 그 많은 생성자들이 다 흩어지고, 생성자들 간 관계를 맺을 수 없기 때문에 유연성이 떨어지고 코드 중복이 자주 일어나는 효과가 나는 것 같습니다 이는 굳이 정적 영역으로 보내지 않고 주/부 생성자로 구분하면 쉽게 해결될 일이 아닌가? 하는 생각도 들어 질문을 드립니다

  • java
  • 웹앱
  • spring-boot
  • spring
  • JPA
  • jpa
  • 웹앱
득이 댓글 1 좋아요 3 조회수 908

Request failed with status code 404

미해결

Slack 클론 코딩[실시간 채팅 with React]

제로초님, layouts폴더에 App.tsx에서 import React from "react"; import loadable from '@loadable/component'; import { Routes, Route, Navigate } from "react-router-dom"; const LogIn = loadable(() => import("@pages/Login")); const SignUp = loadable(() => import('@pages/SignUp')); const Channel = loadable(() => import('@pages/Channel')); const App = () => { return ( <Routes> <Route path="/" element={<Navigate replace to="/login" />} /> <Route path="/login" element={<LogIn />} /> <Route path="/signup" element={<SignUp />} /> <Route path="/workspace/channel" element={<Channel />} /> </Routes> ) } export default App; Route의 4번째줄 path에 /workspace로 하면 로그아웃 할 때 제대로 작동하는데 저렇게 workspace/channel로 코드를 작성하면 로그아웃 할 때, 아래처럼 뜹니다 /를 하나만 붙여야 되는건가요? 나머지 코드들은 변경하지 않았습니다. Login 폴더 index.tsx import useInput from "@hooks/useInput"; import axios from "axios"; import React, { useCallback, useState } from "react"; import { Form, Label, Input, LinkContainer, Button, Header, Error} from './styles'; import {Link, Navigate} from 'react-router-dom'; import useSWR from 'swr'; import fetcher from "@utils/fetcher"; const LogIn = () => { const {data, error, mutate} = useSWR('/api/users', fetcher); const [logInError, setLogInError] = useState(false); const [email, onChangeEmail] = useInput(''); const [password, onChangePassword] = useInput(''); const onSubmit = useCallback((e: any) => { e.preventDefault(); setLogInError(false); axios .post( '/api/users/login', {email, password}, {withCredentials: true}, ) .then((response) => { mutate(response.data, false); }) .catch((error) => { setLogInError(error.response?.data?.statusCode === 401); }) }, [email, password, mutate]); if(data === undefined) { return <div>로딩중...</div> } if(data) { return <Navigate to="/workspace/channel" /> } return ( <div id="container"> <Header>Sleact</Header> <Form onSubmit={onSubmit}> <Label id="email-label"> <span>이메일 주소</span> <div> <Input type="email" id="email" name="email" value={email} onChange={onChangeEmail} /> </div> </Label> <Label id="password-label"> <span>비밀번호</span> <div> <Input type="password" id="password" name="password" value={password} onChange={onChangePassword} /> </div> {logInError && <Error>이메일과 비밀번호 조합이 일치하지 않습니다.</Error>} </Label> <Button type="submit">로그인</Button> </Form> <LinkContainer> 아직 회원이 아니신가요?&nbsp; <Link to="/signup">회원가입 하러가기</Link> </LinkContainer> </div> ); }; export default LogIn; workspace.tsx import axios from "axios"; import React, { FC, useCallback } from "react"; import useSWR from 'swr'; import fetcher from "@utils/fetcher"; import { Navigate } from "react-router-dom"; const Workspace: FC<React.PropsWithChildren<{}>> = ({children}) => { // revalidate = 서버로 요청 다시 보내서 데이터를 다시 가져옴 // mutate = 서버에 요청 안보내고 데이터를 수정 const {data, error, mutate} = useSWR('/api/users', fetcher); const onLogout = useCallback(() => { axios.post('api/users/logout', null , { withCredentials: true, }) .then(() => { mutate(false, false); }) }, []); if(data === false) { return <Navigate to="/login" /> } return( <div> <button onClick={onLogout}>로그아웃</button> {children} </div> ) } export default Workspace; swr은 2버전입니다.

  • Socket.io
  • 웹팩
  • socket.io
  • babel
  • typescript
  • react
  • 클론코딩
  • 클론코딩
성창수 댓글 1 좋아요 0 조회수 6090

Cannot read properties of undefined (reading 'data')

미해결

Slack 클론 코딩[실시간 채팅 with React]

제로초님, 전 강의 듣고 할 때만 해도 잘 됐는데 오늘 쉬고 다시 해보니까 이런 오류 메세지가 뜹니다. 해결해보려고 해도 잘 안되네요.. Cannot read properties of undefined (reading 'data') SignUp 폴더에서 index.tsx에 문제가 있다고 떠서 코드 올립니다 import useInput from "@hooks/useInput"; import React, { useCallback, useState } from "react"; import { Form, Label, Input, LinkContainer, Button, Header, Error, Success} from './styles' import axios from "axios"; import {Link} from 'react-router-dom'; // 타입스크립트는 간단하게 말하면 변수, 매개변수, 리턴 값에 타입을 붙여줌 // 변수에는 딱히 타입을 붙여주지 않아도 된다 타입스크립트가 알아서 추론하기 때문에(리턴값도 마찬가지) 그러나 매개변수에는 붙여주어야됨 const SignUp = () => { const [email, onChangeEmail] = useInput('');//useInput은 커스텀 훅 const [nickname, onChangeNickName] = useInput(''); const [password, setPassword] = useState(''); const [passwordCheck, setPasswordCheck] = useState(''); const [mismatchError, setMismathError] = useState(false); const [signUpError, setSignUpError] = useState(''); const [signUpSuccess, setSignUpSuccess] = useState(false); const onChangePassword = useCallback((e: any) => { setPassword(e.target.value); setMismathError(e.target.value !== passwordCheck); // 함수 기준으로 외부 변수만 deps에 적어줌 내부 변수는 x }, [passwordCheck]); const onChangePasswordCheck = useCallback((e: any) => { setPasswordCheck(e.target.value); setMismathError(e.target.value !== password) }, [password]); const onSubmit = useCallback( (e: any) => { e.preventDefault(); if (!mismatchError && nickname) { console.log('서버로 회원가입하기'); setSignUpError(''); setSignUpSuccess(false); axios .post('/api/users', { email, nickname, password, }) .then((response) => { console.log(response); setSignUpSuccess(true); }) .catch((error) => { console.log(error.response); //여기가 문제가 있다고 뜹니다. setSignUpError(error.response.data); }) .finally(() => {}); } }, [email, nickname, password, passwordCheck, mismatchError], ); return ( <div id="container"> <Header>Sleact</Header> <Form onSubmit={onSubmit}> <Label id="email-label"> <span>이메일 주소</span> <div> <Input type="email" id="email" name="email" value={email} onChange={onChangeEmail} /> </div> </Label> <Label id="nickname-label"> <span>닉네임</span> <div> <Input type="text" id="nickname" name="nickname" value={nickname} onChange={onChangeNickName} /> </div> </Label> <Label id="password-label"> <span>비밀번호</span> <div> <Input type="password" id="password" name="password" value={password} onChange={onChangePassword} /> </div> </Label> <Label id="password-check-label"> <span>비밀번호 확인</span> <div> <Input type="password" id="password-check" name="password-check" value={passwordCheck} onChange={onChangePasswordCheck} /> </div> {mismatchError && <Error>비밀번호가 일치하지 않습니다.</Error>} {!nickname && <Error>닉네임을 입력해주세요.</Error>} {signUpError && <Error>{signUpError}</Error>} {signUpSuccess && <Success>회원가입되었습니다! 로그인해주세요.</Success>} </Label> <Button type="submit">회원가입</Button> </Form> <LinkContainer> 이미 회원이신가요?&nbsp; <Link to="/login">로그인 하러가기</Link> </LinkContainer> </div> ); }; export default SignUp;

  • 웹팩
  • react
  • socket.io
  • babel
  • typescript
  • Socket.io
  • 클론코딩
  • 클론코딩
성창수 댓글 1 좋아요 0 조회수 2389

연관관계의 주인을 양쪽 모두 설정할 경우

해결됨

자바 ORM 표준 JPA 프로그래밍 - 기본편

========================================= [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] 일대다[1:N] 강의의 16분 29초 쯤에 연관관계의 주인이 양쪽에 모두 있으면 망한다라는 언급이 있으신데, 순서가 꼬이거나 예측이 안된다는게 구체적으로 어떤 의미인지 예시가 있을까요? 정말 단순하게 생각하면 어쨋든 연관관계의 주인이 아닌 쪽에서 mappedby를 통해 읽기 전용으로 설정하지 않아도 Member에서 추가하나 Team에서 추가하나 반영될 수 있다면 오히려 좋지 않나 싶은 의구심이 들어서 질문드립니다 감사합니다 :)

  • jpa
  • java
  • JPA
김윤식 댓글 1 좋아요 0 조회수 4932

초기 새팅에 어려움을 가져서 질문드립니다. config.js 파일이 없습니다

미해결

Slack 클론 코딩[실시간 채팅 with React]

https://github.com/ZeroCho/sleact에서 code로 가서 zip파일을 다운 받았습니다. 이후 git clone https://github.com/zerocho/sleact 명령어를 입력한 후, back 폴더에서 npm i까지 마쳤는데, 저는 강의 내용과 다르게 config 폴더가 비어 있습니다. 어떤 부분에서 잘못 따라 하였는이해를 못해서 깃 관련 구글링을 해보다가 결국 질문 드립니다.

  • react
  • typescript
  • 웹팩
  • socket.io
  • Socket.io
  • babel
  • 클론코딩
  • 클론코딩
댓글 1 좋아요 0 조회수 594

tsconfig.json과 webpack.config.ts의 연동구간?

미해결

Slack 클론 코딩[실시간 채팅 with React]

tsconfig.json(ts -> js)로 바꿔주고, 그 후에 webpack.config.ts가 js,css,html들을 하나로 번들링해주는 순서가 맞나요?? $webpack 실행하면 웹팩 프로그램이 그냥 알아서 tsconfig.json이 있으면 먼저 적용한후 webpack.config.ts를 적용하는건가요?

  • 클론코딩
  • Socket.io
  • react
  • socket.io
  • babel
  • 클론코딩
  • 웹팩
  • typescript
초간단 댓글 1 좋아요 0 조회수 499

선행 지식

해결됨

스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술

스프링 강의 선행으로 요구되는 지식이 자바, 관계형 데이터베이스 기초라고 되어 있는데요 자바랑 MySQL은 공부했습니다. 그런데 JDBC나 JSP, 서블릿, 디자인 패턴 등에 대한 지식이나 웹 개발에 대한 지식은 모른 채로 로드맵 시작해도 상관없나요?

  • spring-boot
  • mvc
  • MVC
  • java
  • spring
11 1 댓글 1 좋아요 0 조회수 535

allocationSize 관련하여 질문올립니다!

미해결

자바 ORM 표준 JPA 프로그래밍 - 기본편

[질문 템플릿] 1. 강의 내용과 관련된 질문인가요? 예 2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 잘모르겠습니다 ㅎㅎ.. 3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예 [질문 내용] 1. 데이터 삽입 순서 관련 질문 서버가 여러 대 있다고 가정했을 때, 각 서버에 하단의 이미지처럼 메모리에 50개씩 값을 올려둘 경우, DB에 들어가는 데이터가 순차적으로 안들어가지 않나요? 구체적으로 생각해보지는 않았지만, 순차적으로 데이터가 들어가지 않을 경우에 대한 이슈가 있지 않을까 싶어서 질문드립니다! 2. 중간에 비어있는 구간 관련 질문 위와 마찬가지로 서버가 여러 대 있고 각 서버마다 50개씩 메모리에 할당했다고 가정했을 때, 특정 서버가 죽게되면 죽은 서버의 메모리가 가지고있던 개수만큼의 공백이 생기지 않나요? (거의 그럴 일은 없겠지만) 서버가 시도때도없이 다운될 경우 아무리 Long 타입을 지정했음에도 수가 넘어가는 케이스가 생기지 않을까 싶습니다.

  • jpa
  • JPA
  • java
seungseopahn 댓글 1 좋아요 1 조회수 843

npx sequelize db:seed:all 시, ERROR: Validation error 이슈

미해결

Slack 클론 코딩[실시간 채팅 with React]

안녕하세요 강사님, 강의 중 채널 생성과정에서 오류가 있어 문의를 남깁니다. 먼저, 채널 데이터를 가져오지 못해 다른 문의를 찾아보니 seed 설정을 해주지 않은거 같아 npx sequelize db:create 진행하였고, 이어서 npx sequelize db:seed:all 과정을 진행했습니다 npx sequelize db:seed:all 을 진행하니 Validation error가 발생했습니다. 다른 문의를 보니 db에 sleact table이 생성되지 않아 발생하는 문의글이 많아서 db 사진 올려드릴게요 추가적으로, back 파일에서 npm run dev를 실행하면 db 연결까지 잘 됩니다. 도대체 어디가 잘 못 된 건지 감이 오지 않습니다.. 감사합니다.

  • react
  • babel
  • typescript
  • socket.io
  • 웹팩
  • Socket.io
  • 클론코딩
  • 클론코딩
안찬익 댓글 1 좋아요 0 조회수 1121

POST http://localhost:3090/api/users net::ERR_INTERNET_DISCONNECTED

미해결

Slack 클론 코딩[실시간 채팅 with React]

제로초님, 코드는 정확히 따라 한 거 같은데, 무엇이 문제인지 판단이 안되네요... 리액트 v18, 타입스크립트 v18, axios는 1.2.3 입니다. webpack import path from 'path'; import ReactRefreshWebpackPlugin from '@pmmmwh/react-refresh-webpack-plugin'; import webpack, { Configuration as WebpackConfiguration } from "webpack"; import { Configuration as WebpackDevServerConfiguration } from "webpack-dev-server"; interface Configuration extends WebpackConfiguration { devServer?: WebpackDevServerConfiguration; } import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin'; const isDevelopment = process.env.NODE_ENV !== 'production'; const config: Configuration = { name: 'sleact', mode: isDevelopment ? 'development' : 'production', devtool: !isDevelopment ? 'hidden-source-map' : 'eval', resolve: { extensions: ['.js', '.jsx', '.ts', '.tsx', '.json'], alias: { '@hooks': path.resolve(__dirname, 'hooks'), '@components': path.resolve(__dirname, 'components'), '@layouts': path.resolve(__dirname, 'layouts'), '@pages': path.resolve(__dirname, 'pages'), '@utils': path.resolve(__dirname, 'utils'), '@typings': path.resolve(__dirname, 'typings'), }, }, entry: { app: './client', }, module: { rules: [ { test: /\.tsx?$/, loader: 'babel-loader', options: { presets: [ [ '@babel/preset-env', { targets: { browsers: ['IE 10'] }, debug: isDevelopment, }, ], '@babel/preset-react', '@babel/preset-typescript', ], env: { development: { plugins: [['@emotion', { sourceMap: true }], require.resolve('react-refresh/babel')], }, production: { plugins: ['@emotion'] } }, }, exclude: path.join(__dirname, 'node_modules'), }, { test: /\.css?$/, use: ['style-loader', 'css-loader'], }, ], }, plugins: [ new ForkTsCheckerWebpackPlugin({ async: false, // eslint: { // files: "./src/**/*", // }, }), new webpack.EnvironmentPlugin({ NODE_ENV: isDevelopment ? 'development' : 'production' }), ], output: { path: path.join(__dirname, 'dist'), filename: '[name].js', publicPath: '/dist/', }, devServer: { historyApiFallback: true, // react router port: 3090, devMiddleware: { publicPath: '/dist/' }, static: { directory: path.resolve(__dirname) }, proxy: { '/api/': { target: 'http://localhost:3095', changeOrigin: true, }, }, }, }; if (isDevelopment && config.plugins) { config.plugins.push(new webpack.HotModuleReplacementPlugin()); config.plugins.push(new ReactRefreshWebpackPlugin()); } if (!isDevelopment && config.plugins) { } export default config; index.tsx import useInput from "@hooks/useInput"; import React, { useCallback, useState } from "react"; import { Form, Label, Input, LinkContainer, Button, Header, Error} from './styles' import axios from "axios"; const SignUp = () => { const [email, onChangeEmail] = useInput('');//useInput은 커스텀 훅 const [nickname, onChangeNickName] = useInput(''); const [password, setPassword] = useState(''); const [passwordCheck, setPasswordCheck] = useState(''); const [mismatchError, setMismathError] = useState(false); const onChangePassword = useCallback((e: any) => { setPassword(e.target.value); setMismathError(e.target.value !== passwordCheck); // 함수 기준으로 외부 변수만 deps에 적어줌 내부 변수는 x }, [passwordCheck]); const onChangePasswordCheck = useCallback((e: any) => { setPasswordCheck(e.target.value); setMismathError(e.target.value !== password) }, [password]); const onSubmit = useCallback((e: React.FormEvent) => { e.preventDefault(); if(!mismatchError && nickname){ console.log('서버로 회원가입하기'); axios.post('/api/users', { email, nickname, password, }) .then((response) => { console.log(response); })//요청이 성공하면 실행 .catch((error) => { console.log(error.response); })//요청이 실패하면 실행 .finally(() => {});//성공하든 실패하든 실행시키고 싶은 것 } console.log(email, nickname, password, passwordCheck) }, [email, nickname, password, passwordCheck, mismatchError]); return ( <div id="container"> <Header>Sleact</Header> <Form onSubmit={onSubmit}> <Label id="email-label"> <span>이메일 주소</span> <div> <Input type="email" id="email" name="email" value={email} onChange={onChangeEmail} /> </div> </Label> <Label id="nickname-label"> <span>닉네임</span> <div> <Input type="text" id="nickname" name="nickname" value={nickname} onChange={onChangeNickName} /> </div> </Label> <Label id="password-label"> <span>비밀번호</span> <div> <Input type="password" id="password" name="password" value={password} onChange={onChangePassword} /> </div> </Label> <Label id="password-check-label"> <span>비밀번호 확인</span> <div> <Input type="password" id="password-check" name="password-check" value={passwordCheck} onChange={onChangePasswordCheck} /> </div> {mismatchError && <Error>비밀번호가 일치하지 않습니다.</Error>} {!nickname && <Error>닉네임을 입력해주세요.</Error>} {/* {signUpError && <Error>{signUpError}</Error>} */} {/* {signUpSuccess && <Success>회원가입되었습니다! 로그인해주세요.</Success>} */} </Label> <Button type="submit">회원가입</Button> </Form> <LinkContainer> 이미 회원이신가요?&nbsp; <a href="/login">로그인 하러가기</a> </LinkContainer> </div> ); }; export default SignUp; 이렇게 따라 한 후에 회원 가입 누르면 아래 같은 화면이 뜹니다.

  • 웹팩
  • react
  • socket.io
  • Socket.io
  • typescript
  • 클론코딩
  • babel
  • 클론코딩
성창수 댓글 2 좋아요 0 조회수 1127

인텔리제이 무료 버전도 학습에 지장없나요?

해결됨

스프링 입문 - 코드로 배우는 스프링 부트, 웹 MVC, DB 접근 기술

지장없다는 말도 있고 있다는 말도 있던데 저는 김영한님 로드맵 2개 다 들을 예정인데 강의가 몇십 개 있더라구요 인텔리제이 무료 버전을 써서 막히는 부분들이 있을까요?

  • java
  • spring
  • mvc
  • spring-boot
  • MVC
11 1 댓글 1 좋아요 0 조회수 467

네이버 항공권 관련 제가 작성한 코드 조심스럽게 공유해드립니다.ㅜ

미해결

파이썬 무료 강의 (활용편3) - 웹 스크래핑 (5시간)

안녕하세요 먼저 좋은 강의 해주시는 나도코딩님께 감사드립니다. 이전에 나름 정성들여 글을 작성했는데, 확인이 안돼서 다시 작성해봅니다. 제가 강의를 보고있는 2023년 1월 19일과 강의날인 2020년 8월과 네이버 항공권 인터페이스가 많이 상이하고, 셀레니움과 파이썬 버전이 달라 저의경우 아래와 같이 코드를 작성했습니다. 다른분들께 도움이 되었으면 좋겠습니다. 현재 저의 환경의 경우 python버전 3.10.7 버전이고 selenium또한 강의때 사용하신것 보다 더 높은 것으로 보입니다. 현재 제 경우와 강의내용과 상이한 부분은 아래와 같습니다. 네이버 항공권 진입시, "지금 바로 혜택 확인하기" 광고 팝업창 발생, 해당부분 get_attribute메소드를 사용해 title을 비교해, 팝업이 있다면 팝업을 삭제하는 XPATH를 확인해 해당 엘리먼트를 클릭하도록 구현 browser.find_element_by_class_name과 같이 find_element_by_~~ 메소드 사용불가 => 현재 제가 사용중인 셀레니움 버전이 상위 버전으로 보이는데, 이는 3 line과 같이 import By로 쉽게 수정 가능 find_elements_link_text 메소드 사용 불가 => 2020년대비 2023년 현재 네이버 항공권 웹페이지 인터페이스의 변화때문인지 "가는 날" 및 날짜 선택을 위해 해당 메소드 사용시 빈리스트만 반환 "가는 날"은 XPATH로 엘리먼트를 얻어와 클릭하도록 구현 원하는 날짜의 경우 class이름을 확인해 모든 날짜정보를 갖고와 원하는 날짜정보만 사용하도록 구현 (compute_date 함수 참고 부탁 드립니다.) 추가적으로, 이 경우에 1년치 달력정보를 모두 읽어와 속도가 매우 느린데 더 좋은 방법을 알고계신분은 공유 부탁드립니다. ( _ _ ) compute_date(dates, 30)[1].click() 코드를 이렇게 수정해 오는날을 2월 30일을 선택하려 했으나 3월 30일을 선택해, 코드 오류인줄 알고 디버깅해보니 2월달은 30일이 없었습니다...ㅎ 정상동작 중 입니다. 저와같이 초반에 고생하시는 분들께 조금이나마 도움이 되었으면 좋겠습니다. 감사합니다. import time from selenium import webdriver from selenium.webdriver.common.by import By URL = "https://flight.naver.com/" def compute_date(dates, target) -> list: print("compute entire date information from current month to limit") return [date for date in dates if date.text == str(target)] browser = webdriver.Chrome() # browser.maximize_window() browser.get(URL) time.sleep(1) # remove AD popup find = browser.find_elements(By.CLASS_NAME, "anchor") for f in find: if f.get_attribute("title") == "지금 바로 혜택 확인하기": browser.find_element(By.XPATH, '//*[@id="__next"]/div/div[1]/div[9]/div/div[2]/button[1]').click() print("remove pop up") break # push 가는 날 button also delay 1 sec is necessary, if don't use this, can not read date information. browser.find_element(By.XPATH, '//*[@id="__next"]/div/div[1]/div[4]/div/div/div[2]/div[2]/button[1]').click() time.sleep(1) # read date information and push 25 day dates = browser.find_elements(By.CLASS_NAME, "sc-evZas dDVwEk num".replace(" ", ".")) compute_date(dates, 25)[0].click() # read date information and push 30 day dates = browser.find_elements(By.CLASS_NAME, "sc-evZas dDVwEk num".replace(" ", ".")) compute_date(dates, 30)[0].click() while True: pass

  • selenium
  • python
  • 웹-크롤링
  • 웹 스크래핑
박재현 댓글 2 좋아요 7 조회수 2584

페치조인 별칭

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자바 ORM 표준 JPA 프로그래밍 - 기본편

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/) 2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/) 3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/) [질문 내용] 질문 1 ============================================ 별칭과 관련하여 영한님의 댓글을 찾아보던 도중 라는 글이 있습니다. 제가 이해한 바로는 1:N 이던 N:1 이던 1:1 이던 페치조인할때 별칭은 사용하지 않는것이 좋지만 페치 조인시 별칭을 사용했을때와 별칭을 사용하지 않았을때와 의 데이터가 일치한다면(정합성) 사용 할수 있다 이렇게 이해를 했는데 맞나요 ? 질문 2 ============================================ 페치조인시 1:N 에서 페이징을 사용할수 없는 이유는 페치조인의 메커니즘 자체가 1:N 이면 N 만큼 데이터를 다 가지고 있어야 하는데 ex) @OneToMany(mappedBy = "team") private List<Member> members = new ArrayList<>(); (Team 은 페치조인시 members 의 뻥튀기 된 데이터를 모두 가지고 있어야한다) 그런데 이때 페이징을 실행하면 뻥튀기된 데이터를 가지고 있을수가 없다. 그래서 JPA는 메모리에 모든 정보를 끌어모아 저장 시킨후 메모리에서 페이징 처리를 실행 하기 때문에 메모리 부족 현상이 나타날수 있다 이렇게 이해를 했는데 맞나요 ? (질문1,2) ======================질문3 페이징 처리를 위해 N:1 을 1:N 으로 바꿔서 페치조인을 하면 되는데 막상 이 쿼리를 디비에 실행해도 둘다 데이터가 각 3건씩 똑같이 나오는게 맞나요 ? (뻥튀기 가 일어나면 데이터가 더많아야 하는게 아닌가요 ? 1:n 조인이) 각각 1:N , N:1 페치조인 실행한 결과 [데이터 뻥튀기는 -> 데이터 베이스 쿼리는 동일하게 나오나, 자바 객체에서 뻥튀기 ->[중복] 현상이라고 생각하면 되는건가요 ??] 이 부분은 몆번을 봐도 햇갈리네요

  • JPA
  • java
기팝 댓글 1 좋아요 1 조회수 1288

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