bug解决_{@org.springframework.beans.factory.annotation.Autowired(required=true)}

原创于 2017-11-27 21:08:44 发布 · 3k 阅读

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本文介绍了在使用Spring MVC框架时遇到的依赖注入失败问题，具体表现为无法自动装配ItemsService到ItemsController中，并给出了问题的原因分析及解决方案：通过在web.xml中正确配置applicationContext.xml来解决。

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问题:

org.springframework.beans.factory.BeanCreationException:

Error creating bean with name 'itemsController':

Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException:

 Could not autowire field: private com.itheima.springmvc.service.ItemsService com.itheima.springmvc.controller.ItemsController.itemsService;

 nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException:

No qualifying bean of type [com.itheima.springmvc.service.ItemsService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations:

{@org.springframework.beans.factory.annotation.Autowired(required=true)}

原因:没有加载spring核心配置文件

解决:在web.xml里面添加applicationContext.xml相关配置就解决了