报错：Unsatisfied dependency expressed through field 'xxxService';

最新推荐文章于 2024-08-15 17:45:45 发布

lena7

最新推荐文章于 2024-08-15 17:45:45 发布

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分类专栏： Java

本文链接：https://blog.youkuaiyun.com/lena7/article/details/104150924

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本文档介绍了如何解决Spring Boot应用中遇到的'Unsatisfied dependency expressed through field'错误，重点是Service层缺少@Service注解导致的问题。

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报错片段：

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'permissionController': Unsatisfied dependency expressed through field 'permissionService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'service.IPermissionService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:586)
	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91)
	at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:372)
	at org.sprin