인프런 커뮤니티 질문&답변

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.
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[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]
여기에 질문 내용을 남겨주세요.

출력은 나오는 것 같은데 다음과 같은 오류가 발생합니다.

policyMap = {fixDiscountPolicy=hello.core.discount.FixDiscountPolicy@6995bf68, rateDiscountPolicy=hello.core.discount.RateDiscountPolicy@5143c662}

policies = [hello.core.discount.FixDiscountPolicy@6995bf68, hello.core.discount.RateDiscountPolicy@5143c662]

20:43:46.722 [main] WARN org.springframework.context.annotation.AnnotationConfigApplicationContext -- Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl' defined in file [C:\spring project\core\core\out\production\classes\hello\core\order\OrderServiceImpl.class]: Unsatisfied dependency expressed through constructor parameter 1: No qualifying bean of type 'hello.core.discount.DiscountPolicy' available: expected single matching bean but found 2: fixDiscountPolicy,rateDiscountPolicy

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl' defined in file [C:\spring project\core\core\out\production\classes\hello\core\order\OrderServiceImpl.class]: Unsatisfied dependency expressed through constructor parameter 1: No qualifying bean of type 'hello.core.discount.DiscountPolicy' available: expected single matching bean but found 2: fixDiscountPolicy,rateDiscountPolicy

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798)

at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:237)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1355)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1192)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:562)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:325)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:323)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:959)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)

at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:93)

at hello.core.Autowired.allbean.AllBeanTest.findAllBean(AllBeanTest.java:17)

at java.base/java.lang.reflect.Method.invoke(Method.java:578)

at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

Caused by: org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'hello.core.discount.DiscountPolicy' available: expected single matching bean but found 2: fixDiscountPolicy,rateDiscountPolicy

at org.springframework.beans.factory.config.DependencyDescriptor.resolveNotUnique(DependencyDescriptor.java:218)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1420)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1353)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:907)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:785)