<async-supported>true</async-supported>
出现
cvc-complex-type.2.4.a: Invalid content was found starting with element 'async-supported'. One of
'{"http://java.sun.com/xml/ns/javaee":init-param}' is expected.
需要修改
<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
">