“cvc-complex-type.2.4.a: Invalid content was found starting with element 'taglib'”错误的解决办法

把头文件换成如下即可：

 

<?xml version="1.0" encoding="UTF-8"?>   
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance  http://www.springmodules.org/schema/cache/springmodules-cache.xsd http://www.springmodules.org/schema/cache/springmodules-ehcache.xsd"    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee    
    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd        
     ">  

</web-app>