Hi all, I tried to use tiles-defs.xml to define a tile, but got the following error: 500 Internal Server Error javax.servlet.jsp.JspException: Error - Tag Insert : No value defined for bean 'stdLayoutDef' with property 'null' in scope 'null'. here is my tiles-defs.xml<?xml version="1.0" encoding="ISO-8859-1" ?> <!DOCTYPE tiles-definitions PUBLIC "-//Apache Software Foundation//DTD Tiles Configurations 1.1//EN" "http://jakarta.apache.org/struts/dtds/tiles-config_1_1.dtd"><tiles-definitions><!-- Standard definitions --> <definition name="stdLayoutDef" path="/Layout/stdLayout.jsp"> <put name="title" value="Title String" /> <put name="header" value="/Layout/stdHeader.jsp" /> <put name="footer" value="/Layout/stdFooter.jsp" /> <put name="body" value="/res/error/resStatusReport.jsp" /> </definition></tiles-definitions>and here where I used the definition:<%@ taglib uri="/WEB-INF/struts-tiles.tld" prefix="tiles"%><%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%><%@ include file="/Layout/stdDefinition.jspf"%><tiles:insert beanName="stdLayoutDef" flush="true"><tiles:put name="title" type="string"> <bean:message key='title.statusreport' /> </tiles:put><tiles:put name="header" value="/Layout/stdHeader.jsp" /><tiles:put name="body" value="/res/error/resStatusReportBody.jsp" /><tiles:put name="footer" value="/Layout/stdFooter.jsp" /></tiles:insert>Here where I loaded the definition in struts-config.xml... <plug-in className="org.apache.struts.tiles.TilesPlugin"> <set-property property="definitions-config" value="/WEB-INF/tiles-defs.xml"/> <set-property property="definitions-parser-validate" value="true"/> <set-property property="moduleAware" value="true"/> </plug-in>...sooooo, what did I do wrong?!!! please help..thanks in advance.