不同版本（2.3-3.1）web.xml文件的schema头部声明

Posted 2023-02-20 Chris-Chang

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>

 

 

4. Servlet 2.4

Java EE 1.4 XML schema, 命名空间是 http://java.sun.com/xml/ns/j2ee

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

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

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee

http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"

version="2.4">


</web-app>

5. Servlet 2.3

 

Java EE 1.3 DTDs schema，这个版本的web.xml文件太老了，强烈建议升级

<!DOCTYPE web-app PUBLIC

"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

"http://java.sun.com/dtd/web-app_2_3.dtd" >


<web-app>

<display-name>Servlet 2.3 Web Application</display-name>

</web-app>

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本篇文章系转载，原文地址 http://www.mkyong.com/web-development/the-web-xml-deployment-descriptor-examples/

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