묻고 답해요

172만명의 커뮤니티!! 함께 토론해봐요.

송아지 찾기 문제

해결됨

자바(Java) 알고리즘 문제풀이 입문: 코딩테스트 대비

package dfs_and_bfs; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.LinkedList; import java.util.Queue; public class Solution_7 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String positions[] = br.readLine().split(" "); int S = Integer.parseInt(positions[0]); int E = Integer.parseInt(positions[1]); Queue<Integer> queue = new LinkedList<>(); int levels[] = new int[10001]; boolean[] visited = new boolean[10001]; queue.offer(S); levels[S] = 0; visited[S] = true; int[] dis = {1, -1, 5}; while(!queue.isEmpty()) { int pos = queue.poll(); if(pos == E) { System.out.println(levels[pos]); break; }else { for(int i = 0; i < dis.length; i++) { int newPos = pos + dis[i]; if(newPos >=1 && newPos <= 10000 && !visited[newPos]) { queue.add(newPos); levels[newPos] = (levels[pos] + 1); visited[newPos] = true; } } } } } } 혹시 이런 식으로 구현하게 되면 levels 라는 배열이 필요하게 되는데 맞나요? 채점 사이트에서는 맞았다고 나옵니다

코딩-테스트
코테 준비 같이 해요!
java

cksg 2023-01-25T12:43:47.563Z 댓글 1 좋아요 0 조회수 492

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
spring
웹앱
java
JPA
jpa
spring-boot

장혁수 2023-01-25T12:06:28.088Z 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 2023-01-25T08:33:20.081Z 댓글 2 좋아요 1 조회수 1405

우분투에서 작업시 윈도우로 mysql 설치하는 것에 관해서

미해결

[리뉴얼] React로 NodeBird SNS 만들기

제로초쌤 제가 우분투에서 Nodebird를 진행하고 있는데 더북에 써져있는 거처럼 리눅스(우분투)에서 설치하는 방법 그대로 설치하다가 Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (13) 소켓 에러가 계속 나서 해결하려고 인터넷에 찾아보면서 따라하고 있는데 해결이 안되서 혹시 윈도우로 mysql설치해서 진행해도 크게 차이가 없을까요?

redux
react
node.js
nodejs
express
next.js
Next.js

CJW 2023-01-25T07:29:26.865Z 댓글 2 좋아요 0 조회수 421

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}>×</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 2023-01-25T06:57:14.751Z 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
spring
웹앱
spring-boot
java
jpa
웹앱

Shin Berg 2023-01-24T10:52:29.397Z 댓글 1 좋아요 0 조회수 532

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 2023-01-24T07:42:26.495Z 댓글 1 좋아요 1 조회수 4792

현업에서의 jpql

해결됨

실전! 스프링 부트와 JPA 활용2 - API 개발과 성능 최적화

java
spring-boot
JPA
jpa
spring
dsl
query

2023-01-24T06:50:29.440Z 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
spring-boot
웹앱
spring
jpa
JPA
웹앱

득이 2023-01-24T00:25:31.337Z 댓글 1 좋아요 3 조회수 908

length 오류

미해결

비전공자를 위한 진짜 입문 올인원 개발 부트캠프

콘솔 결과와 error가 같이 출력됩니다!

html/css
react-native
react
node.js
express
nodejs
머신러닝
javascript
머신러닝 배워볼래요?
tensorflow
HTML/CSS

유영 2023-01-23T11:52:31.929Z 댓글 1 좋아요 0 조회수 739

body : ReadableStream 관련 문의드립니다.

해결됨

풀스택 리액트 라이브코딩 - 간단한 쇼핑몰 만들기

안녕하세요. 2강 진행 중 상품목록 조회시 msw Response 결과에 대한 body 값이 ReadableStream 으로 넘어옵니다. 이 경우 body 의 data를 확인할 방법이 있을까요? 답변 부탁드립니다. 감사합니다.

react
graphql
firebase

kylor 2023-01-23T11:43:34.505Z 댓글 1 좋아요 0 조회수 856

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 2023-01-23T06:36:33.543Z 댓글 1 좋아요 0 조회수 4932

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 2023-01-21T15:35:42.201Z 댓글 1 좋아요 0 조회수 535

webp 확장자질문

해결됨

프론트엔드 개발자를 위한, 실전 웹 성능 최적화(feat. React) - Part. 2

강사님 안녕하세요 좋은강의 잘 수강중인 학생입니다. 강의중에는 클라이언트에 저장된 확장자 2개의 이미지를 사용해서 분기처리를 하셨는데요, 서버에서 받아오는 이미지파일을 분기처리 할려면(webp를 지원하지않는 브라우저를 위해) webp파일 이미지와 jpg(또는 png) 파일 이미지 총 2개 파일 이미지를 보내줘야 분기처리가 가능한가요? 아니면 서버에서 1개의 확장자 이미지를 보내주면 jpg -> webp 또는 webp->jpg로 바꾸어서 분기처리 하는방법은 없을까요?

react
devtools

형우리 2023-01-21T12:58:20.008Z 댓글 1 좋아요 1 조회수 440

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 2023-01-21T09:24:39.459Z 댓글 1 좋아요 1 조회수 843

react-router-dom link클릭시 이동이 안되는 오류

미해결

비전공자를 위한 진짜 입문 올인원 개발 부트캠프

안녕하세요 강사님 해당 상품을 클릭했을때 url은 바뀌지만 상품상세페이지로 화면은 바뀌지 않는 오류가 발생했습니다(새로고침하면 화면이 바뀌긴 합니다) 다른 수강생들의 비슷한 질문답변을 참고하여 <React.StrictMode>를 지워도보고 react-router-dom 버전도 5.2.0이고 Route path도 "/products/:id"라고 적었는데 여전히 오류가 해결되지 않습니다 https://github.com/kanghanju/grab-market-client/commit/01c0657f4f64398b47493c1b2c3b44836bf1a785# 여기는 Link태그 해당 수업코드 파일입니다!

html/css
HTML/CSS
머신러닝 배워볼래요?
node.js
react
react-native
머신러닝
nodejs
tensorflow
express
javascript

한조 2023-01-21T08:34:58.382Z 댓글 2 좋아요 0 조회수 1588

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 2023-01-20T08:00:23.454Z 댓글 1 좋아요 0 조회수 467

편집

미해결

프로젝트로 배우는 React.js

72번째 강의 초반부 편집오류 있습니다.

es6
react
redux

2023-01-19T15:22:19.084Z 댓글 1 좋아요 0 조회수 323

비동기문제

미해결

프로젝트로 배우는 React.js

강의에서는 toast가 비동기적으로 실행되는것을 해결하기 위해 useRef를 활용했는데 혹시 async나 promise로도 해결이 가능한건가요?

react
es6
redux

2023-01-19T14:32:18.626Z 댓글 1 좋아요 1 조회수 320

페치조인 별칭

미해결

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 2023-01-19T09:35:44.421Z 댓글 1 좋아요 1 조회수 1288

묻고 답해요

송아지 찾기 문제

MemberRepositoryTest에서 BeanCreationException 등이 발생합니다.

안녕하세요 MSA 구성을 진행하고 있는 뉴비 신입 개발자입니다.

우분투에서 작업시 윈도우로 mysql 설치하는 것에 관해서

Cannot read properties of undefined (reading 'map')

기존의 테이블이 삭제되지 않습니다.

void의 정확한 의미를 모르겠어요

현업에서의 jpql

팩토리 메서드를 정적으로 사용하는 이유에 대해서 궁금합니다

length 오류

body : ReadableStream 관련 문의드립니다.

연관관계의 주인을 양쪽 모두 설정할 경우

선행 지식

webp 확장자질문

allocationSize 관련하여 질문올립니다!

react-router-dom link클릭시 이동이 안되는 오류

인텔리제이 무료 버전도 학습에 지장없나요?

편집

비동기문제

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