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미해결스프링 핵심 원리 - 기본편
ApplicationContext 통한 객체 추출의 단점
안녕하세요! 강의 잘 수강하고 있습니다. ApplicationContext 통해서 객체 추출하면 컴파일 타임에서 오류를 찾기 어려운 단점이 있는 것 같아서, 정말 단점이 맞는지 확인하고 싶어서 질문드립니다.Spring을 적용하기 전 AppConfig를 직접 사용하던 경우에는 method 호출로 객체를 생성하기 때문에 method 이름이 변경된다면 컴파일 에러로 발견할 수 있습니다.그런데 AnnotationConfigApplicationContext을 사용하고 나서는 등록된 Bean을 이름으로 검색해서 찾아오기 때문에 런타임 에러가 발생할 가능성이 생깁니다.만약 제가 AppConfig 내의 method 이름을 변경하면 아래 코드는 에러를 만들게 됩니다.ApplicationContext applicationContext = new AnnotationConfigApplicationContext(AppConfig.class); MemberService memberService = applicationContext.getBean("memberService", MemberService.class);@Configuration public class AppConfig { @Bean public MemberService emberService() { // 오타 발생 return new MemberServiceImpl(memberRepository()); } }이렇게 되면 정적 타입 언어의 장점을 상쇄시키는게 아닌지 의문이 들었습니다. 그리고 서버 운영중에 Bean을 찾지 못해서 장애가 발생하는 경우는 없는지도 궁금합니다! 제가 뭔가 이해를 잘못했거나 내용을 놓쳤을 수도 있을 것 같습니다. 답변 기다리겠습니다 🙏
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
IllegalStateException: Failed to load ApplicationContext
학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용]복습하려고 새로 프로젝트를 다시 따라 쳐보려 했는데요,에러를 만나 해결이 안되어 글 남깁니다!첫 테스트인 MemberRepositoryTest 실행중에 발생했고파일 압축해서 올리겠습니다. java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:98) at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:124) at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:248) at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$8(ClassBasedTestDescriptor.java:363) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:368) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$9(ClassBasedTestDescriptor.java:363) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java: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:362) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:283) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:282) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:272) at java.base/java.util.Optional.orElseGet(Optional.java:364) at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:271) at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:102) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:101) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:66) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$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 com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'dataSourceScriptDatabaseInitializer' defined in class path resource [org/springframework/boot/autoconfigure/sql/init/DataSourceInitializationConfiguration.class]: Unsatisfied dependency expressed through method 'dataSourceScriptDatabaseInitializer' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: org.h2.Driver at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:541) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1154) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:908) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:132) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:141) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:90) ... 71 moreCaused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: org.h2.Driver at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887) at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ... 91 moreCaused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: org.h2.Driver at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ... 105 moreCaused by: java.lang.IllegalStateException: Cannot load driver class: org.h2.Driver at org.springframework.util.Assert.state(Assert.java:97) at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.determineDriverClassName(DataSourceProperties.java:171) at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.initializeDataSourceBuilder(DataSourceProperties.java:123) at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration.createDataSource(DataSourceConfiguration.java:48) at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration$Hikari.dataSource(DataSourceConfiguration.java:90) 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.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ... 106 more plugins { id 'org.springframework.boot' version '2.7.4' id 'io.spring.dependency-management' version '1.0.14.RELEASE' id 'java' } group = 'reviewjpa' version = '0.0.1-SNAPSHOT' sourceCompatibility = '17' configurations { compileOnly { extendsFrom annotationProcessor } } repositories { mavenCentral() } dependencies { implementation 'org.springframework.boot:spring-boot-starter-data-jpa' implementation 'org.springframework.boot:spring-boot-starter-thymeleaf' implementation 'org.springframework.boot:spring-boot-starter-web' implementation 'junit:junit:4.13.1' compileOnly 'org.projectlombok:lombok' annotationProcessor 'org.projectlombok:lombok' testImplementation 'org.springframework.boot:spring-boot-starter-test' } tasks.named('test') { useJUnitPlatform() } spring: datasource: url: jdbc:h2:tcp://localhost/~/jpareview username: sa password: driver-class-name: org.h2.Driver jpa: hibrernate: ddl-auto: create properties: hibernate: show_sql: true format_sql: true logging: level: org.hibernate.SQL: debug
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해결됨스프링 핵심 원리 - 기본편
ApplicationContext와 static inner class 관련
안녕하세요. 테스트 코드 작성 중 궁금한 점이 생겨서 질문합니다. hello.core.beanfind 패키지의 ApplicationContextSameBeanFindTest 클래스 안에 선언된 아래 코드에서 SameBeanConfig 클래스를 static 내부 클래스로 만드셨는데요, 나름 추측한 이유가 맞는지 궁금해서 질문합니다. AnnotationConfigApplicationContext ac = new AnnotationConfigApplicationContext(SameBeanConfig.class); ... 테스트 코드 ... @Configuration static class SameBeanConfig { ... } SameBeanConfig 클래스의 static 키워드를 없애고(instance 내부 클래스) 실행을 했을 때 org.springframework.beans.factory.UnsatisfyedDependecnException 에러가 뜨고, 해당 에서는 빈 의존관계가 주입되지 않았을 때 나타납니다. instance 내부 클래스로 하는 경우 ac 인스턴스가 생성되는 시기보다 늦게 생성되어 빈 의존관계 주입이 실패하는게 아닌가.. 라고 추측을 해봤습니다. (static 키워드가 붙은 경우 클래스가 메모리가 올라갈 때 생기므로 ac 인스턴스보다 먼저 생성된다고 생각합니다.) 제 추측이 맞는걸까요? 이유가 너무 궁금합니다!!
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
앱 실행이 안됩니다.
학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요.1. 강의 내용과 관련된 질문을 남겨주세요.2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요.(자주 하는 질문 링크: https://bit.ly/3fX6ygx)3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요.(질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG)질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요.=========================================[질문 템플릿]1. 강의 내용과 관련된 질문인가요? (예/아니오)2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오)[질문 내용] 이렇게 콘솔에 오류메세지가 뜨는데... ApplicationContext 에 문제가 있다는건 알겠습니다. 여기 TEST 실행파일도 있어서 실행하고 로그를 보니까 이렇게 나오더라구요, 여기 나온데로 뭐 해봐라 해서 해봤는데도 안돼네요.. 어떻게 해야할까요. 맞는 드라이버를 깔라는 오류 메세지도 본것 같은데 어떻게 깔아야하는지도 감이 잘 안오네요...
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미해결실전! 스프링 부트와 JPA 활용1 - 웹 애플리케이션 개발
테스트 에러때문에 질문드립니다.
근 3시간동안 다른 분들 비슷한 에러 메시지의 질문을 확인해봤는데 도저히 해결이 안되어 남깁니다.. 에러 메시지는 다음과 같습니다. java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:132) at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:123) at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:244) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'memberRepository': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'javax.persistence.EntityManagerFactory' available at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessProperties(PersistenceAnnotationBeanPostProcessor.java:351) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1415) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:608) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:531) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:923) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:588) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:767) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:426) at org.springframework.boot.SpringApplication.run(SpringApplication.java:326) at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:122) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124) ... 27 more Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'javax.persistence.EntityManagerFactory' available at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveNamedBean(DefaultListableBeanFactory.java:1210) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findDefaultEntityManagerFactory(PersistenceAnnotationBeanPostProcessor.java:565) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findEntityManagerFactory(PersistenceAnnotationBeanPostProcessor.java:528) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.resolveEntityManager(PersistenceAnnotationBeanPostProcessor.java:696) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.getResourceToInject(PersistenceAnnotationBeanPostProcessor.java:669) at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:228) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessProperties(PersistenceAnnotationBeanPostProcessor.java:348) ... 44 more 그리고 *************************** APPLICATION FAILED TO START *************************** Description: A component required a bean of type 'javax.persistence.EntityManagerFactory' that could not be found. Action: Consider defining a bean of type 'javax.persistence.EntityManagerFactory' in your configuration. 이게 상부에 떠있구요 Member.java package jpabook.jpashop;import lombok.Getter;import lombok.Setter;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;@Entity@Getter @Setterpublic class Member { @Id @GeneratedValue private Long id; private String username;} MemberRepository.java package jpabook.jpashop;import org.springframework.stereotype.Repository;import javax.persistence.EntityManager;import javax.persistence.PersistenceContext;@Repositorypublic class MemberRepository { @PersistenceContext private EntityManager em; public Long save(Member member) { em.persist(member); return member.getId(); } public Member find(Long id) { return em.find(Member.class, id); }} MemberRepositoryTest.java package jpabook.jpashop;import org.assertj.core.api.Assertions;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.boot.test.context.SpringBootTest;import org.springframework.test.context.junit4.SpringRunner;import org.springframework.transaction.annotation.Transactional;import static org.junit.jupiter.api.Assertions.*;@RunWith(SpringRunner.class)@SpringBootTestpublic class MemberRepositoryTest { @Autowired MemberRepository memberRepository; @Test @Transactional public void testMember() throws Exception { //given Member member = new Member(); member.setUsername("memberA"); //when Long savedId = memberRepository.save(member); Member findMember = memberRepository.find(savedId); //then Assertions.assertThat(findMember.getId()).isEqualTo(member.getId()); Assertions.assertThat(findMember.getUsername()).isEqualTo(member.getUsername()); } application.yml spring: #띄어쓰기 없음 datasource: #띄어쓰기 2칸 url: jdbc:h2:tcp://localhost/~/jpashop #4칸 username: sa password: driver-class-name: org.h2.Driver jpa: #띄어쓰기 2칸 hibernate: #띄어쓰기 4칸 ddl-auto: create #띄어쓰기 6칸 properties: #띄어쓰기 4칸 hibernate: #띄어쓰기 6칸 # show_sql: true #띄어쓰기 8칸 format_sql: true #띄어쓰기 8칸logging.level: #띄어쓰기 없음 org.hibernate.SQL: debug #띄어쓰기 2칸 띄어쓰기는 다 수정해봤고, 오타도 봤는데 잘 모르겠습니다.. H2는 켜져있고, build.gradle은 plugins { id 'org.springframework.boot' version '2.4.1' id 'io.spring.dependency-management' version '1.0.10.RELEASE' id 'java'}group = 'jpabook'version = '0.0.1-SNAPSHOT'sourceCompatibility = '11'configurations { compileOnly { extendsFrom annotationProcessor }}repositories { mavenCentral()}dependencies { implementation 'org.springframework.boot:spring-boot-starter-data-jpa' implementation 'org.springframework.boot:spring-boot-starter-validation' implementation 'org.springframework.boot:spring-boot-starter-thymeleaf' implementation 'org.springframework.boot:spring-boot-starter-web' implementation 'org.springframework.boot:spring-boot-devtools' compileOnly 'org.projectlombok:lombok' runtimeOnly 'com.h2database:h2' annotationProcessor 'org.projectlombok:lombok' testImplementation 'org.springframework.boot:spring-boot-starter-test'//JUnit4 추가 testImplementation("org.junit.vintage:junit-vintage-engine") { exclude group: "org.hamcrest", module: "hamcrest-core" }}test { useJUnitPlatform()} 위와 같습니다.도움 주시면 감사하겠습니다.
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미해결스프링 핵심 원리 - 기본편
AppConfig , 스프링 컨테이너에 관해 궁금한 점이 생겨 질문드립니다..!
[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]공부하다보니 궁금한 점이 생겨 질문을 드립니다..! 앞의 스프링 입문에서의 회원 관리 프로젝트나 나중에 JPA 활용1 프로젝트를 보면 실제로 개발할때는 스프링 컨테이너인 ApplicationContext 를 호출하지 않고 프로젝트하시던데, 여기서는 꼭 ApplicationContext ac = new ApplicationContext(AppConfig.class); 이렇게 호출하셔서 ApplicationContext 객체를 생성하지 않았을 때는 Component 로 등록된 구현체 객체(ex. MemberServiceImpl) 등을 어떻게 호출할 수 있는지 헷갈립니다..! @Test void test( ){ ApplicationContext ac = new ApplicationContext(AutoAppConfig.class); MemberService memberService = ac.getBean(MemberService.class); .... } 지금은 이렇게 해서 memberService 를 OCP 와 DIP 를 지키면서 ac 를 통해서 꺼내왔었는데요,만약 스프링 컨테이너 객체를 안만들면 @Test void test( ){ MemberService memberService = new MemberService (new MemberServiceImpl() ); .... } 자동주입을 설정하였다고 하더라도, 처음에 MemberService 객체를 호출할때 빈 생성자를 만들지 않으면(?) 결국에는 이렇게 호출해야하지 않나요?? 아니면 그냥 @Autowired MemberService memberSerivce; 이렇게만 해줘도, MemberServiceImpl 에 붙은 @Component (혹은 @Service) 를 읽고 자동주입이 되는건가요?? 답변해주시면 이해하는데 큰 도움이 될 것 같습니다 감사합니다! :)
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미해결자바 스프링부트 활용 웹개발 실무용
강의 질문드립니다 [ApplicationContext]
강사님 안녕하세요. 수업 너무 재밌게 잘 듣고 있습니다. 머리에 쏙쏙 들어오고 세계 최고의 강의가 아닌게 싶습니다. 이 수업을 들으며 강사님의 유료강의도 들으려 하고 있습니다. 바쁘실텐데 귀찮게 해드려 죄송합니다 ㅠㅠ 실습을 하면서 에러가 발생했는데 며칠동안 찾을 수가 없었습니다. 'org.apache.catalina.core.ApplicationContext' that could not be found. 라는 문제점이 계속 나오는데 어떻게 해결 해야 되는지 알려주실 수 있을까요? 부탁드립니다
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미해결스프링 핵심 원리 - 기본편
AnnotationConfigApplicationContext implements ApplicationContext 를 해야 할 것 같습니다
BeanFactory <interface> ↓ ApplicationContext <interface> ↓ AnnotationConfigApplicationContext <Class> 위 구조상 AnnotationConfigApplicationContext 이 클래스에서 AnnotationConfigApplicationContext implements ApplicationContext 를 해야할 것 같습니다 AnnotationConfigApplicationContext 의 부모의 부모를 봐도implements ApplicationContext 를 하는 소스가 없습니다 AnnotationConfigApplicationContext 의 부모인 GenericApplicationContex에서 public GenericApplicationContext(@Nullable ApplicationContext parent) { this(); setParent(parent); } 생성자를 통해 ApplicationContext 를 설정하는 부분을 발견했는데요 저희가 배운것 처럼 스프링 내부적으로 Bean 설정을 통해 주입되고 있는건가요? 아니면 왜 implements ApplicationContext 가 없는건가요?
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미해결스프링 핵심 원리 - 기본편
ApplicationContext관련 질문드립니다.
MemberApp에서는 ApplicationContext타입에 AnnotationConfigApplicationContext(AppConfig.class)를 할당해주었는데 왜 테스트 할 때는 AnnotationConfigApplicationContext타입에 할당해주는것인가요? 감사합니다.