java开源框架集成常见错误之Unable to locate NamespaceHandler for namespace (错误)
问题描述：
Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.parsing.BeanDefinitionParsingException:
Configuration problem: Unable to locate NamespaceHandler for namespace [http://www.springframework.org/schema/context]
Offending resource: class path resource [spring.xml]
解决方案：
把2.0的spring包换成2.5的
