Web. XML v2.3
<?xml version= "1.0" encoding= "iso-8859-1"?> <! 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>
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 " 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" > </web-app >
Web. XML v2.5
<?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>
Web. Xml v3.0
<?xml version= "1.0" encoding= "UTF-8"?> <web-app version= "3.0" 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 "> </web-app>
Web. XML different versions of headers