Springを設定してWeb session,requestをサポートします.

一日がかりで、やっと分かりました....
Springの設定により、Session、requestをサポートします.

	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>/WEB-INF/classes/spring*.xml</param-value>
	</context-param>
	<listener>
		<listener-class>
			org.springframework.web.util.Log4jConfigListener
		</listener-class>
	</listener>
	<!--  servlet2.4       ,        session,request,globle session -->
	<listener>
		<listener-class>
			org.springframework.web.context.request.RequestContextListener
		</listener-class>
	</listener>
	<!--  servlet2.4        -->
	<filter>
		<filter-name>requestContextFilter</filter-name>
		<filter-class>
			org.springframework.web.filter.RequestContextFilter
		</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>requestContextFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<!-- Spring    ，          -->
	<servlet>
		<servlet-name>context</servlet-name>
		<servlet-class>
			org.springframework.web.context.ContextLoaderServlet
		</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>