以下为更改的内容
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns=http://java.sun.com/xml/ns/javaee xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance xsi:schemaLocation="http://java.sun.com/xml/ns/javaee "> <display-name>Archetype Created Web Application</display-name> </web-app>