Field service in com.sinoyd.base.controller.BaseController required a single bean, but 20 were found
参考博文 Mapper接口应添加@Mapper注解 service类应该添加@Service注解 ...
原文：Field baseMapper in com.baomidou.mybatisplus.extension.service.impl.ServiceImpl required a single bean, but xx were found:
在学习使用 mybatis plus 时，遇到一个奇怪的异常 如 代码一： 代码一： 该错误怎么解决，求大佬指点 ...
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【记录】Field required a single bean, but 2 were found:
in com.alibaba.xxx required a single bean, but 2 were found: ...
Field in required a single bean, but 2 were found:
我在其他类注入的时候出现以下错误 异常 Description: Field mibService in com.xxx.xxx.controller.SnmpController required a single bean, but 2 were found ...
Field amqpTemplate in * required a single bean, but 3 were found:
Field amqpTemplate in * required a single bean, but 3 were found: Spring Boot 启动的时候报的错 使用Spring Boot1.5.8版本。 系统中使用了amqp组件，同事手写了两个RouteKey ...
MyBatis Plus:No qualifying bean of type 'com.baomidou.mybatisplus.mapper.BaseMapper' available: expected single matching bean but found 4
'com.baomidou.mybatisplus.mapper.BaseMapper<?>' available: expecte ...
Field configService in com.rr.web.controller.common.CaptchaController required a single bean, but 2 were found: SPRING-BOOT 启动 错误
如图所示 我用的是mybatis-plus. + mybatis 问题所在就是包扫描 @MapperScan(basePackages = "com.rr") 问题解决 精确包扫描的范围 @MapperScan(basePackages = "com.rr.*.mapper") ...
Field adminMapper in com.course.service.impl.AdminServiceImpl required a bean of type 'com.course.mapper.AdminMapper' that could not be found
Field adminMapper in com.course.service.impl.AdminServiceImpl required a bean of type 'com.course.mapper.AdminMapper' that could not be found ...
解决：Field xxMapper in xx.service.impl.xxServiceImpl required a bean of type 'xx.mapper.xxMapper'
1、启动 SpringBoot项目报错，使用的是Springboot、Spring、Mybatis连接Mysql数据库，启动SpringBoot项目报错，错误如下所示： 2. 报错原因 ...