Maven项目配置web3.0

代码：

<?xml version="1.0" encoding="UTF-8"?>

<web-app 

xmlns:xsi="http://www.w3.org/2001/XMLSchemainstance" 

xmlns="http://java.sun.com/xml/ns/javaee" 

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" 

id="schedule-console" version="3.0">

</web-app>

另外：

修改.settings文件夹中org.eclipse.wst.common.project.facet.core.xml

<?xmlversion="1.0"encoding="UTF-8"?>

<faceted-project>

  <fixedfacet="jst.web"/>

  <fixedfacet="java"/>

  <installedfacet="jst.web"version="3.0"/>

  <installedfacet="java"version="1.7"/>

</faceted-project>