Question

spring整合mybatis时使用@Resource注解提示以下错误，该怎么解决？

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'system.UserServiceTest': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.tjmj.test.service.UserService system.UserServiceTest.userService; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.tjmj.test.service.UserService] 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)}

Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.tjmj.test.service.UserService system.UserServiceTest.userService; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.tjmj.test.service.UserService] found for dependency: expected at
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.tjmj.test.service.UserService] 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)}
项目在win7下运行没有任何错误，但是在win10里运行就会报上面的错误。

Answer 1

提示的是注入不上，那么从前往后推，首先注入的前提是将对象交予tomcat，由tomcat生成；既然你win7下可以执行，表明名称没得问题，而注解的话，spring的注解应该没有问题，而Resource是javaee的，这里值得注意一下，你看看有没有将tomcat的库加进来，没有的话右键项目——>Properties——>选择Targeted Runtimes——>把tomcat勾上——>OK；
如果选择了的话，那么讲道理将对象放入容器，而自动注入也很完美。这时你可以检查一下你Tomcat的端口是不是被占了，不然怎么会在不同系统运行不一样呢？