Spring 3.0: 无法找到用于XML模式命名空间的Spring NamespaceHandler

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Spring 3.0: 无法找到用于XML模式命名空间的Spring NamespaceHandler

我的设置非常简单：我有一个网页前端，后端是使用Spring框架的。

我使用AOP在我的rpc服务上添加了一层安全性。

一切都很好，除了网页应用在启动时中止：

  [java] SEVERE: Context initialization failed
     [java] org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springframework.org/schema/aop]
     [java] Offending resource: ServletContext resource [/WEB-INF/gwthandler-servlet.xml]

这是我xml配置文件中的片段：

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:aop="http://www.springframework.org/schema/aop"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">

我在互联网上读到可能是类加载的核心问题。不过我对此表示怀疑，因为这是我的WEB-INF/lib目录：

./WEB-INF/lib
./WEB-INF/lib/aopalliance-alpha1.jar
./WEB-INF/lib/aspectj-1.6.6.jar
./WEB-INF/lib/commons-collections.jar
./WEB-INF/lib/commons-logging.jar
./WEB-INF/lib/ehcache-core-1.7.0.jar
./WEB-INF/lib/ejb3-persistence.jar
./WEB-INF/lib/hibernate
./WEB-INF/lib/hibernate/antlr.jar
./WEB-INF/lib/hibernate/asm.jar
./WEB-INF/lib/hibernate/bsh-2.0b1.jar
./WEB-INF/lib/hibernate/cglib.jar
./WEB-INF/lib/hibernate/dom4j.jar
./WEB-INF/lib/hibernate/freemarker.jar
./WEB-INF/lib/hibernate/hibernate-annotations.jar
./WEB-INF/lib/hibernate/hibernate-shards.jar
./WEB-INF/lib/hibernate/hibernate-tools.jar
./WEB-INF/lib/hibernate/hibernate.jar
./WEB-INF/lib/hibernate/jtidy-r8-20060801.jar
./WEB-INF/lib/jabsorb
./WEB-INF/lib/jabsorb/jabsorb-1.3.1.jar
./WEB-INF/lib/jta.jar
./WEB-INF/lib/jyaml-1.3.jar
./WEB-INF/lib/postgresql-8.4-701.jdbc4.jar
./WEB-INF/lib/sjsxp.jar
./WEB-INF/lib/spring
./WEB-INF/lib/spring/org.springframework.aop-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.asm-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.aspects-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.beans-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.context-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.context.support-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.core-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.expression-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.instrument-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.instrument.tomcat-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.jdbc-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.jms-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.orm-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.oxm-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.test-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.transaction-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.web-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.web.portlet-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.web.servlet-3.0.0.RELEASE.jar
./WEB-INF/lib/spring/org.springframework.web.struts-3.0.0.RELEASE.jar
./WEB-INF/lib/testng-5.11-jdk15.jar
./WEB-INF/web.xml

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