在我们的项目中，在将SpringBoot从3.0.4升级到3.0.9之后，我们的几个测试开始失败。

Caused by: org.springframework.aop.framework.AopConfigException: Unexpected AOP exception
    at app//org.springframework.aop.framework.CglibAopProxy.buildProxy(CglibAopProxy.java:222)
    at app//org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:158)
    at app//org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:110)
    at app//org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.buildProxy(AbstractAutoProxyCreator.java:517)
    at app//org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:464)
    at app//org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:369)
    at app//org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:318)
    at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:434)
    at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1773)
    at app//org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:598)
    ... 80 more
Caused by: java.lang.ClassCastException: class our.project.RepositoryConfiguration$LiquibaseConfiguration$$SpringCGLIB$$0 cannot be cast to class org.springframework.cglib.proxy.Factory (our.project.RepositoryConfiguration$LiquibaseConfiguration$$SpringCGLIB$$0 and org.springframework.cglib.proxy.Factory are in unnamed module of loader 'app')
    at org.springframework.aop.framework.ObjenesisCglibAopProxy.createProxyClassAndInstance(ObjenesisCglibAopProxy.java:91)
    at org.springframework.aop.framework.CglibAopProxy.buildProxy(CglibAopProxy.java:213)
    ... 89 more

它不局限于our.project.RepositoryConfiguration$LiquibaseConfiguration。当我禁用此配置时，下一个配置会发生类似的异常。
另一个奇怪的事情是，如果只调用单个测试类，或者首先执行这个类，则测试通过。否则会发生ClassCastException。
我们使用TestNG进行测试。
我尝试将Spring从3.0.4升级到3.0.6版本，并将Sping Boot 从3.0.4升级到3.0.6版本，我希望我们当前的所有测试都能通过。但是对于我们的~ 2000的34个测试，有一个例外java.lang.ClassCastException: class our.project.RepositoryConfiguration$LiquibaseConfiguration$$SpringCGLIB$$0 cannot be cast to class org.springframework.cglib.proxy.Factory (our.project.RepositoryConfiguration$LiquibaseConfiguration$$SpringCGLIB$$0 and org.springframework.cglib.proxy.Factory are in unnamed module of loader 'app')