Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of ty

旧城等待， 2022-07-13 10:37 27阅读 0赞

1、错误描述

2017-01-05 09:29:49,950 [localhost-startStop-1] ERROR [org.springframework.web.servlet.DispatcherServlet] - Context initialization failed
      org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'waitMissionController': Injection of resource dependencies failed; nested exception is 
    
    org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.cmp.service.flow.WaitMissionService] found for dependency: expected at least 1 bean which 
    
    qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.annotation.Resource(shareable=true, mappedName=, description=, name=, type=class java.lang.Object, lookup=, 
    
    authenticationType=CONTAINER)}
    	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:308)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1208)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
    	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
    	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:762)
    	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)
    	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:624)
    	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:672)
    	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:543)
    	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)
    	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
    	at javax.servlet.GenericServlet.init(GenericServlet.java:158)
    	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1282)
    	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1195)
    	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1085)
    	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5318)
    	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5610)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
    	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
    	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
    	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
    	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)
    	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)
    	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    	at java.lang.Thread.run(Thread.java:745)
    Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.cmp.service.flow.WaitMissionService] found for dependency: expected at least 1 bean 
    
    which qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.annotation.Resource(shareable=true, mappedName=, description=, name=, type=class java.lang.Object, 
    
    lookup=, authenticationType=CONTAINER)}
    	at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1301)
    	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1047)
    	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:942)
    	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:457)
    	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:435)
    	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:559)
    	at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:169)
    	at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
    	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:305)
    	... 33 more

2、错误原因

在SpringMVC+Mybatis框架中，编写Service实现时需要添加@Service注解，这样Controller才能使用Service；由于没有添加@Service注解导致报错

3、解决办法

在Service实现类前添加@Service注解