[Spring Framework] Injection of autowired dependencies failed

아래의 에러에서 주목해야되는 부분은 circular reference 이다. 즉... @Inject 애노테이션을 쓰면서 서로 서로 가지도록 설정을 해서 발생한 문제이다. 해결 방법은

구조적으로 @Inject 하는 상황을 회피하도록 만들거나... http://java.dzone.com/articles/resolve-circular-dependency 여기를 참고해서 보자~!

org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'userService': Bean with name 'userService' has been injected into other beans [matchingService] in its raw version as part of a circular reference, but has eventually been wrapped. This means that said other beans do not use the final version of the bean. This is often the result of over-eager type matching - consider using 'getBeanNamesOfType' with the 'allowEagerInit' flag turned off, for example.

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:548) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:628) ~[spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932) ~[spring-context-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) ~[spring-context-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389) ~[spring-web-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294) ~[spring-web-3.2.4.RELEASE.jar:3.2.4.RELEASE]

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112) [spring-web-3.2.4.RELEASE.jar:3.2.4.RELEASE]