Spring cvc-elt.1: Cannot find the declaration of element 'beans'.

 <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="  
http://www.springframework.org/schema/beans   
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd  
http://www.springframework.org/schema/aop   
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd  
http://www.springframework.org/schema/tx   
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

 

这个的格式异常：比如spring-aop-2.0.xsd写成spring-aop.xsd 就会爆出Spring cvc-elt.1: Cannot find the declaration of element 'beans'.