String 报o.s.web.context.ContextLoader - Context initialization failed错误

ERROR o.s.web.context.ContextLoader - Context initialization failed
org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [config/app-dao.xml]; nested exception is org.springframework.beans.FatalBeanException: Invalid NamespaceHandler class [org.springframework.data.jpa.repository.config.JpaRepositoryNameSpaceHandler] for namespace [http://www.springframework.org/schema/data/jpa]: problem with handler class file or dependent class; nested exception is java.lang.NoClassDefFoundError: org/springframework/aop/framework/AbstractAdvisingBeanPostProcessor
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412) ~[spring-beans-3.2.3.RELEASE.jar:3.2.3.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334) ~[spring-beans-3.2.3.RELEASE.jar:3.2.3.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302) ~[spring-beans-3.2.3.RELEASE.jar:3.2.3.RELEASE]

这个错误调试了2两天后来发现原来是缺少

          org.springframework
          spring-aop
          ${spring.version}
  

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