错误

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-01-28 14:50:16.431 ERROR 18296 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

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APPLICATION FAILED TO START
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Description:

Field itemCatService in com.jt.controller.ItemCatController required a bean of type 'com.jt.service.ItemCatService' 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.jt.service.ItemCatService' in your configuration.


Process finished with exit code 1

我错误原因：

1.在serviceImpl中没加 @service注解
2.端口被占用了

解决方法

1.添加@service 注解
2.去yml文件中更换了端口