xml定義 DTD & XSD

iBatis
iBatis Config
<!DOCTYPE sqlMapConfig
      PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"
      "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
iBatis SqlMap
<!DOCTYPE sqlMap
      PUBLIC "-//iBATIS.com//DTD SQL Map 2.0//EN"  
      "http://www.ibatis.com/dtd/sql-map-2.dtd">

Struts2
<!DOCTYPE struts
      PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
      "http://struts.apache.org/dtds/struts-2.0.dtd">

Web-app (web.xml)

XML Doctype Definition (dtd before servlet 2.3)
<!DOCTYPE web-app
      PUBLIC "-//Sun Microsystems, Inc.//DTD WebApplication 2.2//EN"
      "http://java.sun.com/j2ee/dtds/web-app_2.2.dtd">

<!DOCTYPE web-app
      PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
      "http://java.sun.com/dtd/web-app_2_3.dtd">

XML Schema Definition (xsd after servlet 2.4)
<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
      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">

Spring

beans (2.0 dtd)
<!DOCTYPE beans
      PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
      "http://www.springframework.org/dtd/spring-beans-2.0.dtd">

beans (2.0 xsd)

<beans

      xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

beans (3.0 xsd)
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

http://www.springframework.org/schema/aop
         http://www.springframework.org/schema/aop/spring-aop-3.0.xsd

http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-3.0.xsd

http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd

http://www.springframework.org/schema/jee 
     http://www.springframework.org/schema/jee/spring-jee-3.0.xsd

http://www.springframework.org/schema/tx
     http://www.springframework.org/schema/tx/spring-tx-3.0.xsd

http://www.springframework.org/schema/oxm
    http://www.springframework.org/schema/oxm/spring-oxm-3.0.xsd

http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.0.xsd

http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-3.0.xsd

http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd

http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd