Exception in thread "main" org.springframework.beans.factory.parsing.BeanDefinitionParsingException:
Configuration problem: Unable to locate NamespaceHandler for namespace [http://www.springframework.org/schema/aop]
Offending resource: class path resource [applicationContext.xml]
在网上查到的，请参考：http://cymoft.blog.51cto.com/324099/353495/
xml配置文件的头文件引入有问题，不正确