web.xml 出现cvc-complex-type.2.4.a: Invalid content was found starting with element

<web-app xmlns="http://java.sun.com/xml/ns/j2ee" version="2.4"
    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>

将红色标记加入XML即可。

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