@Transactional 쓰면 오류가 납니다 ㅠ..

Question

트랜잭션을 하기위해서 &#64;Transactional 을 서비스 메서드에 붙이게되면 에러가 납니다.저런식으로 서비스에 &#64;Transactional 어노테이션을 붙이게되면 스프링 실행할때 로드하면서 에러가뜨고요 . 저부분을 주석처리하면 잘 로드가 됩니다.. 이건 root-context 설정이고 저 주석처리부분이 트랜잭션 부분이고오류는 ERROR: org.springframework.web.context.ContextLoader - Context initialization failedorg.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'commentController': Unsatisfied dependency expressed through field 'service'; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'commentService' is expected to be of type 'com.fastcampus.ch4.service.CommentService' but was actually of type 'com.sun.proxy.$Proxy28' at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:587) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1350) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:580) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:409) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:291) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4699) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5165) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1412) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1402) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'commentService' is expected to be of type 'com.fastcampus.ch4.service.CommentService' but was actually of type 'com.sun.proxy.$Proxy28' at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1148) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1065) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:584) ... 24 more10월 24, 2023 4:16:11 오전 org.apache.catalina.core.StandardContext listenerStart심각: Context initialized 이벤트를 [org.springframework.web.context.ContextLoaderListener] 클래스의 인스턴스인 리스너에 전송하는 동안 예외 발생org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'commentController': Unsatisfied dependency expressed through field 'service'; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'commentService' is expected to be of type 'com.fastcampus.ch4.service.CommentService' but was actually of type 'com.sun.proxy.$Proxy28' at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:587) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1350) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:580) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:409) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:291) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4699) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5165) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1412) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1402) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'commentService' is expected to be of type 'com.fastcampus.ch4.service.CommentService' but was actually of type 'com.sun.proxy.$Proxy28' at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1148) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1065) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:584) ... 24 more10월 24, 2023 4:16:11 오전 org.apache.catalina.core.StandardContext startInternal심각: 하나 이상의 리스너들이 시작하지 못했습니다. 상세 내역은 적절한 컨테이너 로그 파일에서 찾을 수 있습니다.10월 24, 2023 4:16:11 오전 org.apache.catalina.core.StandardContext startInternal심각: 이전 오류들로 인해 컨텍스트 []의 시작이 실패했습니다.10월 24, 2023 4:16:11 오전 org.apache.catalina.core.ApplicationContext log정보: Closing Spring root WebApplicationContext10월 24, 2023 4:16:11 오전 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc경고: 웹 애플리케이션 [ROOT]이(가) JDBC 드라이버 [oracle.jdbc.OracleDriver]을(를) 등록했지만, 웹 애플리케이션이 중지될 때, 해당 JDBC 드라이버의 등록을 제거하지 못했습니다. 메모리 누수를 방지하기 위하여, 등록을 강제로 제거했습니다.10월 24, 2023 4:16:11 오전 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads경고: 웹 애플리케이션 [ROOT]이(가) [oracle.jdbc.diagnostics.Diagnostic.CLOCK](이)라는 이름의 쓰레드를 시작시킨 것으로 보이지만, 해당 쓰레드를 중지시키지 못했습니다. 이는 메모리 누수를 유발할 가능성이 큽니다. 해당 쓰레드의 스택 트레이스: java.lang.Object.wait(Native Method) java.util.TimerThread.mainLoop(Unknown Source) java.util.TimerThread.run(Unknown Source)10월 24, 2023 4:16:11 오전 org.apache.coyote.AbstractProtocol start정보: 프로토콜 핸들러 [&#34;http-nio-80&#34;]을(를) 시작합니다.10월 24, 2023 4:16:11 오전 org.apache.coyote.AbstractProtocol start정보: 프로토콜 핸들러 [&#34;ajp-nio-8009&#34;]을(를) 시작합니다.10월 24, 2023 4:16:11 오전 org.apache.catalina.startup.Catalina start정보: Server startup in 4400 ms 이렇렇게 뜨는데 'com.fastcampus.ch4.service.CommentService' but was actually of type 'com.sun.proxy.$Proxy28' 이부분이 좀 눈에 들어오네요..

컴포지트 · Answer

혹시 @Autowired 걸 때 인터페이스가 아닌 구현체(보통 Impl붙는 클래스)를 걸었나요? 전자정부같이 Java Proxy가 기본값이면, 구현 클래스가 아닌 인터페이스를 @Autowired 걸어야 합니다.인터페이스 없이 클래스만 만들고 Autowired를 시도했나요? 그럴 경우 tx:annotation-driven 요소에 proxy-target-class="true" 특성 추가하시길.

@Transactional 쓰면 오류가 납니다 ㅠ..

1개의 답변

#transactional 목록