No qualifying bean of type 'javax.servlet.Filter' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Qualifier(value=httpTraceFilter)}
你参考蛙课网视频上的操作的吗?蛙课视频Spring Cloud版本是Spring Cloud Finchley,所对应的Spring Boot版本是2.0.3,这里需要注意一个坑就是Spring Boot 的版本要和 Spring Cloud 的版本相对应,如果版本不对应,会遇到很多报错的情况,他们的匹配关系是:
Spring Cloud Hoxton --> Spring Boot 2.2.x
Spring Cloud Greenwich --> Spring Boot 2.1.x
Spring Cloud Finchley --> Spring Boot 2.0.x
Spring Cloud Edgware --> Spring Boot 1.5.x