转载 http://www.cnblogs.com/BuzyAlways/p/5690980.html
 
 


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

  
  
 
   
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8.0.x (superseded)
 
      
8.0.35 (superseded)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
 
   
 
    
 
      
    
 
    
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-app5    
6 </>
 
    
 
      
    
 
   
 
   
web.xml v2.4
 
   
xml version="1.0" encoding="UTF-8"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" 
    
 
   
 
   
web.xml v2.5
 
   
 1  2    
 3 xmlns="http://java.sun.com/xml/ns/javaee"  
 4    
 5 xmlns:xsi 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.xml v3.0
 
   
2    
3 web-app  
4         ="3.0"  
5         xmlns6         xmlns:xsi7         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"8    
9 >