Bonjour,
J'ai créé un projet struts avec MyEclipse en utilisant les Tiles, alors j'ai ajouter un un contrôleur au fichier struts-config.xml
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<controller processorClass="org.apache.struts.tiles.TilesRequestProcessor"
		bufferSize="4096" debug="0" />
Apres, je voulais intégrer la bibliothèque struts-layout a mon projet mais j'ai pas réussi.
d'abord j'ai pas pu ajouter le controleur dans struts-config.xml
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<controller processorClass = "fr.improve.struts.taglib.layout.workflow.LayoutRequestProcessor"/>
je peut pas mettre les deux controleur en meme temps, alors j'ai laissé le premier.
quand j'utilise les balise struts-layout exemple: <layout:html> une erreur se produit et il m'affiche dans la page JSP:
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[ServletException in:/jsp/index.jsp] java.lang.NoClassDefFoundError: org/apache/struts/taglib/TagUtils'
et dans la console:
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GRAVE: "Servlet.service()" pour la servlet jsp a lanc� une exception
java.lang.NoClassDefFoundError: org/apache/struts/taglib/TagUtils
	at fr.improve.struts.taglib.layout.util.TagUtils.write(TagUtils.java:18)
	at fr.improve.struts.taglib.layout.HtmlTag.doStartLayoutTag(HtmlTag.java:226)
	at fr.improve.struts.taglib.layout.LayoutTagSupport.doStartTag(LayoutTagSupport.java:34)
	at org.apache.jsp.jsp.index_jsp._jspx_meth_layout_005fhtml_005f0(index_jsp.java:91)
	at org.apache.jsp.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:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:535)
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:472)
	at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
	at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:611)
	at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:137)
	at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:177)
	at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:756)
	at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:881)
	at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:473)
	at org.apache.jsp.jsp.siteLayout_jsp._jspx_meth_tiles_005finsert_005f2(siteLayout_jsp.java:253)
	at org.apache.jsp.jsp.siteLayout_jsp._jspx_meth_html_005fhtml_005f0(siteLayout_jsp.java:135)
	at org.apache.jsp.jsp.siteLayout_jsp._jspService(siteLayout_jsp.java:70)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
	at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:274)
	at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:254)
	at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:309)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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:191)
	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:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
25 mars 2009 17:55:13 org.apache.catalina.core.ApplicationDispatcher invoke
GRAVE: "Servlet.service()" pour la servlet jsp a lanc� une exception
java.lang.NoClassDefFoundError: org/apache/struts/taglib/TagUtils
	at fr.improve.struts.taglib.layout.util.TagUtils.write(TagUtils.java:18)
	at fr.improve.struts.taglib.layout.HtmlTag.doStartLayoutTag(HtmlTag.java:226)
	at fr.improve.struts.taglib.layout.LayoutTagSupport.doStartTag(LayoutTagSupport.java:34)
	at org.apache.jsp.jsp.index_jsp._jspx_meth_layout_005fhtml_005f0(index_jsp.java:91)
	at org.apache.jsp.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:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:535)
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:472)
	at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
	at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:611)
	at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:137)
	at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:177)
	at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:756)
	at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:881)
	at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:473)
	at org.apache.jsp.jsp.siteLayout_jsp._jspx_meth_tiles_005finsert_005f2(siteLayout_jsp.java:253)
	at org.apache.jsp.jsp.siteLayout_jsp._jspx_meth_html_005fhtml_005f0(siteLayout_jsp.java:135)
	at org.apache.jsp.jsp.siteLayout_jsp._jspService(siteLayout_jsp.java:70)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
	at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:274)
	at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:254)
	at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:309)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	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:191)
	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:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)
Donc, est ce que je peu utiliser struts-layout et les tiles en meme temps, si oui alors comment je dois proceder ??

Merci d'avance