ola,
estou tentando colocar uma exemplo usando tiles mas nao ta funcionando, segue oq eu fiz:
web.xml<?xml version="1.0"?>
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<!-- Action Servlet Configuration -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>chainConfig</param-name>
<param-value>org/apache/struts/tiles/chain-config.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!-- The Welcome File List -->
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 1.3//EN"
"http://struts.apache.org/dtds/tiles-config_1_3.dtd">
<tiles-definitions>
<definition name="mainLayout" path="/index.jsp">
<put name="title" value="O meu titulo" />
<put name="header" value="/header.jsp" />
<put name="menu" value="/menu.jsp" />
<put name="main" value="/main.jsp" />
<put name="footer" value="/footer.jsp" />
</definition>
</tiles-definitions>
<?xml version="1.0"?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
"http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
<plug-in className="org.apache.struts.tiles.TilesPlugin">
<set-property
property="definitions-config"
value="/WEB-INF/tiles-defs.xml"/>
</plug-in>
</struts-config>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles" %>
<html>
<head>
<title><tiles:getAsString name="title"/></title>
</head>
<body>
<tiles:insert attribute="header"/>
<table>
<tr>
<td width="20%"><tiles:insert attribute="menu"/></td>
<td width="80%"><tiles:insert attribute="body"/></td>
</tr>
</table>
<tiles:insert attribute="footer"/>
</body>
</html>
as outras jsp (menu, body, header, footer) so tem texto
quando tendo rodar da o seguinte erro:SEVERE: Servlet.service() for servlet jsp threw exception
javax.servlet.jsp.JspException: Error - tag.getAsString : component context is not defined. Check tag syntax
at org.apache.struts.tiles.taglib.GetAttributeTag.doEndTag(GetAttributeTag.java:158)
at org.apache.jsp.index_jsp._jspx_meth_tiles_005fgetAsString_005f0(index_jsp.java:117)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:65)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
alg sabe oq eh? passei a tarde toda tentando e nada
[]s