Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/config/springdemo-config.xml]

org.springframework.beans.factory.BeanDefinitionStoreException:
 Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/config/springdemo-config.xml]; nested exception is java.lang.NoClassDefFoundError: org/springframework/aop/TargetSource


缺少 spring-aop-4.3.7.RELEASE.jar 时的提示
如果只有一个提示，加上去就OK了!

加上缺少的包后，要重新启动一下服务器！！

另：引用的7个基本包，缺一不可！

spring-aop-4.3.7.RELEASE.jar
spring-beans-4.3.7.RELEASE.jar
spring-context-4.3.7.RELEASE.jar
spring-core-4.3.7.RELEASE.jar
spring-expression-4.3.7.RELEASE.jar
spring-web-4.3.7.RELEASE.jar
spring-webmvc-4.3.7.RELEASE.jar