org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'shopServiceImpl': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'shopMapper' defined in file [E:\git\xxx-main\target\classes\cn\xxx\mapper\ShopMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'org.apache.ibatis.session.SqlSessionFactory' available: expected single matching bean but found 3: sqlSessionFactoryAAA,sqlSessionFactoryBBB,sqlSessionFactoryCCC
大概意思是，创建shopMapper时出错了，想找sqlSessionFactory，但是有3个，不知道用哪个。
有说用@Primary给某个数据源注解上的，感觉不对路。
想了半天，应该是这个Mapper没被扫描到，所以不知道它是属于哪个sqlSessionFactory。
查看扫描包配置，果然这个Mapper所在的包路径忘记配置了，加上就OK了。
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