Spring MVC, Tiles, Mutiple Controllers
<bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.tiles2.TilesView"/>
        <property name="order" value="0"/>
</bean>

<bean id="tilesConfigurer" class="org.springframework.web.servlet.view.tiles2.TilesConfigurer">
        <property name="definitions">
            <list>
                <value>/WEB-INF/tiles-config/tiles.xml</value>
            </list>
        </property>
</bean>

<bean id="viewResolver2" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="order" value="1" />
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
</bean>

<tiles-definitions>
    <definition name="parent" template="/WEB-INF/jsp/tiles/parent_layout.jsp">
        <put-attribute name="header" value="/WEB-INF/jsp/tiles/header.jsp"/>
        <put-attribute name="body" value=""/>
        <put-attribute name="recordsSection" value=""/>
        <put-attribute name="widgetsSection" value=""/>
    </definition>
        <definition name="_n/list.htm" extends="parent">
            <put-attribute name="recordsSection" value="/WEB-INF/jsp/_n/list.jsp"/>
            <put-attribute name="widgetsSection" value="/WEB-INF/jsp/_n/widgets.jsp"/>
        </definition>
</tiles-definitions>

<%@page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1" isELIgnored="false"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@taglib prefix="spring" uri="http://www.springframework.org/tags"%>
<%@taglib prefix="display" uri="http://displaytag.sf.net" %>

<h3>Widgets</h3>
<p>widgetsList=${widgetsList}</p>
<div id="displaylist">
    <display:table id="items" name="${widgetsList}" cellspacing="0" export="true">
        <display:column title="Widget ID" property="widgetId"/>
        <display:column title="Widget Name" property="widgetName"/>
        <display:column title="Widget State" property="widgetState"/>
    </display:table>
</div>

@Controller
public class WidgetController {

    @Autowired
    private WidgetDaoImpl widgetDao = new WidgetDaoImpl();

    @RequestMapping("_n/widgets.htm")
    public String widgets() {
        return "_n/widgets.htm";
    }

    @ModelAttribute("widgetsList")
    public ArrayList<Widget> getWidgets() {
        System.out.println("executing getWidgets()");
        ArrayList<Widget> records = widgetDao.listWidgets();
        return records;
    }
}