解决web.xml中<async-supported>true</async-supported>报错问题

http://www.springmodules.org/schema/cache/springmodules-cache.xsd

http://www.springmodules.org/schema/cache/springmodules-ehcache.xsd

将上诉代码添加进<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance "中 如图

二、或者将版本改成3.0

version="2.5"

改成version="3.0"