org.springframework.beans.factory.NoSuchBeanDefinitionException

最新推荐文章于 2022-12-08 19:26:32 发布

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本文分析了一个关于Struts框架中出现的未处理异常问题，详细解释了错误信息，并提供了具体的解决方案，即在服务层添加@Service和@Transactional注解。

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Struts Problem Report

Struts has detected an unhandled exception:

Messages:	No qualifying bean of type [org.jbond.cms.service.CategoryService] 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)} Error creating bean with name 'userAction': Injection of resource dependencies failed; nested exception isorg.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.jbond.cms.service.CategoryService] 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)} Unable to instantiate Action, userAction, defined for 'user_login' in namespace '/'Error creating bean with name 'userAction': Injection of resource dependencies failed; nested exception isorg.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.jbond.cms.service.CategoryService] 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)}
File:	org/springframework/beans/factory/support/DefaultListableBeanFactory.java
Line number:	1,373

Stacktraces

Unable to instantiate Action, userAction, defined for 'user_login' in namespace '/'Error creating bean with name 'userAction': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.jbond.cms.service.CategoryService] 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)}

    com.opensymphony.xwork2.DefaultActionInvocation.createAction(DefaultActionInvocation.java:316)
    com.opensymphony.xwork2.DefaultActionInvocation.init(DefaultActionInvocation.java:397)

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userAction': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.jbond.cms.service.CategoryService] 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)}

    org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:311)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324)
    org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:196)
    org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1048)
    com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:151)
    com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:171)
    com.opensymphony.xwork2.factory.DefaultActionFactory.buildAction(DefaultActionFactory.java:22)
    com.opensymphony.xwork2.ObjectFactory.buildAction(ObjectFactory.java:141)

解决方法：

很容易看出异常

service服务层，漏写@Service、@Transactional注解了