Displaytag + tiles

Front-end
#1

Senhores to com problema de paginação to usando displaytag + struts2 definindo as paginas com tiles

tiles

<definition name="pesquisacfop" extends=".base">
    	<put-attribute name="corpo" value="/pages/operacao/cfop_form.jsp"/>
    </definition>

<definition name="listaCfop" extends=".lista">
    	<put-attribute name="corpo" value="/pages/operacao/lista_cfop.jsp"/>
</definition>

lista com displaytag

<%@ taglib uri="http://displaytag.sf.net"           prefix="display" %>
<link rel="stylesheet" href="css/dam/displaytag.css" type="text/css" media="all">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>

<display:table name="listaCfop" class="displaytag" pagesize="20"  defaultsort="1"
				decorator="br.gov.am.sefaz.trb.gae.dam.controle.operacao.decorator.CfopDecorator">
 <display:column property="codCfop"    	 title="CFOP"             style="width:5%; text-align:left"/>				
<display:column property="nmCfop"      	 title="Descrição"            style="width:40%; text-align:left" />

	<c:choose>
	        <c:when test="${eCfop!=true}">
	        
<display:column property="comando"   title=""     style="width:10% text-align:center"/>            		        		            
	        </c:when>
	</c:choose>
	
</display:table>

erro gerado

org.apache.tiles.TilesException: Attribute 'corpo' not found.
	org.apache.tiles.jsp.taglib.InsertAttributeTag.render(InsertAttributeTag.java:112)
	org.apache.tiles.jsp.taglib.RenderTagSupport.execute(RenderTagSupport.java:154)
	org.apache.tiles.jsp.taglib.RoleSecurityTagSupport.doEndTag(RoleSecurityTagSupport.java:75)
	org.apache.tiles.jsp.taglib.ContainerTagSupport.doEndTag(ContainerTagSupport.java:80)
	org.apache.jsp.pages.tiles.lista_jsp._jspx_meth_tiles_insertAttribute_0(lista_jsp.java:91)
	org.apache.jsp.pages.tiles.lista_jsp._jspService(lista_jsp.java:61)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
	org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:73)
	org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:102)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

obrigado a todos.

#2