Resolved [org.springframework.cglib.core.CodeGenerationException: java.lang.LinkageError-->loader 'app' attempted duplicate class definition for com.baomidou.mybatisplus.extension.service.impl.ServiceImpl$$FastClassBySpringCGLIB$$76535273. (com.baomidou.mybatisplus.extension.service.impl.ServiceImpl$$FastClassBySpringCGLIB$$76535273 is in unnamed module of loader 'app')]
duplicate ，应该是有同名的方法，请查看确认。
2021-07-28 19:35:46.002 INFO 3228 --- [nio-8081-exec-1] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2021-07-28 19:35:46.634 INFO 3228 --- [nio-8081-exec-1] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
会不会是线程池的问题呢