Spring spring-core 5.3.16 Unknown class appears

org.springframework.cglib.beans.BeanMap.Generator#generateClass as the picture shows @spring-projects-issues

Comment From: snicoll

BeanMapEmitter is not new and this issue tracker is not meant to address IDE misconfiguration you may have. If you can reproduce a problem on the command line using Maven or Gradle, please share a sample and we can reopen.

Comment From: livk-cloud

I checked version 5.3.16 on github and found the same problem

and I also tried using