Unsatisfied dependency expressed through field ‘orderService‘；启动类mapperscan

小灰灰 2023-02-27 14:59 148阅读 0赞

报错

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderController': Unsatisfied dependency expressed through field 'orderService'; nested exception is

原因:启动类没有加

//@MapperScan("com.atguigu.eduorder.mapper")

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详细报错

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderController': Unsatisfied dependency expressed through field 'orderService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl': Unsatisfied dependency expressed through field 'baseMapper'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.atguigu.eduorder.mapper.OrderMapper' 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:643) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:116) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1422) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:879) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878) ~\[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~\[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~\[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE\]  
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) \[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE\]  
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) \[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE\]  
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) \[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE\]  
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) \[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE\]  
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) \[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE\]  
    at com.atguigu.eduorder.OrdersApplication.main(OrdersApplication.java:23) \[classes/:na\]  
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl': Unsatisfied dependency expressed through field 'baseMapper'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.atguigu.eduorder.mapper.OrderMapper' 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:643) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:116) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1422) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    ... 19 common frames omitted  
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.atguigu.eduorder.mapper.OrderMapper' 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.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1695) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1253) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640) ~\[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE\]  
    ... 32 common frames omitted

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