所有service都报required a single bean, but 2 were found 问题

所有service都报required a single bean, but 2 were found 问题
这些service都只有一个实现接口
报错如下：

Error starting ApplicationContext. To display the auto-configuration report re-run your application with ‘debug’ enabled.
2020-10-10 15:03:14.127 ERROR [restartedMain] [o.s.b.diagnostics.LoggingFailureAnalysisReporter] -

APPLICATION FAILED TO START

Description:

Field messageService in com.sto.unify.app.jnv2.controller.biz.TaskCenter.TaskCenterController required a single bean, but 2 were found:
- taskMessageServiceImpl: defined in file [/Users/zgz/IdeaProjects/sto-app-face/sto-app-face-jn/sto-app-face-jn-service/target/classes/com/sto/unify/app/jnv2/service/core/task/impl/TaskMessageServiceImpl.class]
- taskMessageService: defined in file [/Users/zgz/IdeaProjects/sto-app-face/sto-app-face-jn/sto-app-face-jn-service/target/classes/com/sto/unify/app/jnv2/service/core/task/TaskMessageService.class]

Action:

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

出现的原因：

是我的mapperScan 扫描的时候扫描到了所有的包，而不是单独的mapper的包。所以才报了这个错误，修改成下面就可以了。

@MapperScan(basePackages = {“com.sto.unify.app.jnv2.mapper”})

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