解决：Field xxMapper in xx.xxServiceImpl required a bean of type ‘xx.xxMapper‘ that could not be found.

错误

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APPLICATION FAILED TO START
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Description:

Field jobMapper in com.ruoyi.quartz.service.impl.SysJobServiceImpl required a bean of type 'com.ruoyi.quartz.mapper.SysJobMapper' that could not be found.

The injection point has the following annotations:
	- @org.springframework.beans.factory.annotation.Autowired(required=true)


Action:

Consider defining a bean of type 'com.ruoyi.quartz.mapper.SysJobMapper' in your configuration.

处理

找到@MapperScan ，是扫描mapper类的注解，后面添加上找不到那个mapper的路径