servlet版本与tomcat版本对应关系，各版本web.xml头信息写法-蒲公英云

servlet版本与tomcat版本对应关系，各版本web.xml头信息写法

r囧r小猫 2022-09-29 01:51 259阅读 0赞

Apache官方对各版本的解释：http://tomcat.apache.org/whichversion.html

The mapping between the specifications and the respective Apache Tomcat versions is:

Servlet Spec	JSP Spec	EL Spec	WebSocket Spec	JASPIC Spec	Apache Tomcat version	Actual release revision	Supported Java Versions
4.0	TBD (2.4?)	TBD (3.1?)	TBD (1.2?)	1.1	9.0.x	9.0.0.M9 (alpha)	8 and later
3.1	2.3	3.0	1.1	1.1	8.5.x	8.5.4	7 and later
3.1	2.3	3.0	1.1	N/A	8.0.x (superseded)	8.0.35 (superseded)	7 and later
3.0	2.2	2.2	1.1	N/A	7.0.x	7.0.70	6 and later (7 and later for WebSocket)
2.5	2.1	2.1	N/A	N/A	6.0.x	6.0.45	5 and later
2.4	2.0	N/A	N/A	N/A	5.5.x (archived)	5.5.36 (archived)	1.4 and later
2.3	1.2	N/A	N/A	N/A	4.1.x (archived)	4.1.40 (archived)	1.3 and later
2.2	1.1	N/A	N/A	N/A	3.3.x (archived)	3.3.2 (archived)	1.1 and later

web.xml v2.3

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1 <?xml version="1.0" encoding="ISO-8859-1"?>  
2 <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">  
3    
4 <web-app>  
5    
6 </web-app>

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web.xml v2.4

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1 <?xml version="1.0" encoding="UTF-8"?>  
2 <web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"   
3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
4     xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">  
5    
6 </web-app>

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web.xml v2.5

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1 <?xml version="1.0" encoding="UTF-8"?>  
 2    
 3 <web-app xmlns="http://java.sun.com/xml/ns/javaee"  
 4    
 5 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
 6    
 7 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"  
 8    
 9 version="2.5">  
10    
11 </web-app>

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web.xml v3.0

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1 <?xml version="1.0" encoding="UTF-8"?>  
2    
3 <web-app  
4         version="3.0"  
5         xmlns="http://java.sun.com/xml/ns/javaee"  
6         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
7         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">  
8    
9 </web-app>