3-springboot编译报错Relying upon circular references is discouraged and they are prohibited by default

如果是.properties文件，在文件中添加

spring.main.allow-circular-references=true

如果是.yml文件，则在文件中添加

spring:
  main:
    allow-circular-references:true
文章参考:
https://blog.csdn.net/weixin_45812467/article/details/123985626