2016.11.4 Injection of autowired dependencies failed
运行项目时，提示错误：org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'databaseController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.baosight.rds.kubernetes.RestDao com.baosight.rds.kubernetes.DatabaseController.dao; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 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)} org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334) 这段错误的大致含义就是：创建name为databaseController的bean时失败了。因为找不到自动注入的变量：DatabaseController.dao。因为这个名为dao的变量，类名是RestDao，但是在RestDao里却找不到一个自动注入的qualifies（比如@Service，@Component，@Repository，@Controller这种）。所以要解决这个问题，就是检查RestDao类，看自己到底遗漏了哪个qualifies。 检查后，发现RestDao没有加@Repository。
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