SpringBoot+Mybatis启动项目*required a single bean, but 2 were found*

柔光的暖阳◎ 2023-06-08 10:55 206阅读 0赞

异常问题为controller中存在多个相同的实例

  1. ***************************
  2. APPLICATION FAILED TO START
  3. ***************************
  5. Description:
  7. Field sysJobService in com.comet.controller.SysJobController required a single bean, but 2 were found:
  8.     - sysJobServiceImpl: defined in file [G:\IdeaProject\comet\comet-quartz\target\classes\com\comet\service\impl\SysJobServiceImpl.class]
  9.     - ISysJobService: defined in file [G:\IdeaProject\comet\comet-quartz\target\classes\com\comet\service\ISysJobService.class]
  12. Action:
  14. Consider marking one of the beans as @Primary, updating the consumer to accept multiple beans, or using @Qualifier to identify the bean that should be consumed

我个人在配置映射时没有制定到mapper包中才出现上述问题

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改成这样就能成功启动并访问数据库

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