不同版本(2.5-3.1) web.xml文件的schema头部声明

项目用的容器是tomcat8, tomcat8 默认的是servlet 3.1的版本, 看了下 web.xml还是3.0的版本, 所以升级了下, 顺便贴一下2.5到3.1的schema头部声明。

1. Servlet 3.1

Java EE 7 XML schema，命名空间是 http://xmlns.jcp.org/xml/ns/javaee/

<?xml version="1.0" encoding="UTF-8"?>  
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"   
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
        xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee  
         http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"  
        version="3.1">
</web-app>

2. Servlet 3.0

Java EE 6 XML schema，命名空间是 http://java.sun.com/xml/ns/javaee

<?xml version="1.0" encoding="UTF-8"?>  
<web-app 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  
          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"  
          version="3.0">
</web-app>

3. Servlet 2.5

Java EE 5 XML schema，命名空间是 http://java.sun.com/xml/ns/javaee

<?xml version="1.0" encoding="UTF-8"?>  
<web-app 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  
          http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  
          version="2.5">
</web-app>