Unexpected exception parsing XML document from class path resource [Beans.xml] ; nested exception is java.lang.NoClassDefFoundError: org/aopalliance/aop/Advi
原因是缺少jar包aopalliance这个jar包
下载地址：https://mvnrepository.com/artifact/aopalliance/aopalliance
Spring AOP遇到Unexpected exception parsing XML document from class path resource [Beans.xml]
原文：https://www.cnblogs.com/Gorann/p/11222042.html