Hi Clément,
here is my stacktrace:

2005-08-11 10:18:40,385 [http-8080-Processor23] ERROR - Cannot get value for 
expression '#{request.object.request.rid}'
javax.faces.el.ReferenceSyntaxException: Cannot convert index to int for base 
[Ljava.lang.Object; and index object
        at 
org.apache.myfaces.el.ELParserHelper.coerceToIntegerWrapper(ELParserHelper.java:418)
        at org.apache.myfaces.el.ELParserHelper.toIndex(ELParserHelper.java:440)
        at 
org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:541)
        at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
        at 
org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:441)
        at javax.faces.component.UIOutput.getValue(UIOutput.java:75)
        at 
org.apache.myfaces.renderkit.RendererUtils.getStringValue(RendererUtils.java:293)
        at 
org.apache.myfaces.renderkit.html.HtmlTextRendererBase.renderOutput(HtmlTextRendererBase.java:93)
        at 
org.apache.myfaces.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:81)
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:341)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:491)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChildren(RendererUtils.java:468)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:489)
        at 
org.apache.myfaces.renderkit.html.HtmlTableRendererBase.renderColumnBody(HtmlTableRendererBase.java:205)
        at 
org.apache.myfaces.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:160)
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:329)
        at 
org.apache.myfaces.component.html.ext.HtmlDataTable.encodeChildren(HtmlDataTable.java:507)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:485)
        at 
org.apache.myfaces.renderkit.html.HtmlGridRenderer.renderChildren(HtmlGridRenderer.java:253)
        at 
org.apache.myfaces.renderkit.html.HtmlGridRenderer.encodeEnd(HtmlGridRenderer.java:131)
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:341)
        at javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:386)
        at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:290)
        at 
org.apache.myfaces.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:98)
        at 
org.apache.jsp.secure.listrequests_jsp._jspx_meth_h_panelGrid_0(org.apache.jsp.secure.listrequests_jsp:166)
        at 
org.apache.jsp.secure.listrequests_jsp._jspx_meth_h_form_0(org.apache.jsp.secure.listrequests_jsp:115)
        at 
org.apache.jsp.secure.listrequests_jsp._jspService(org.apache.jsp.secure.listrequests_jsp:85)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at 
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
        at 
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:604)
        at 
org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:101)
        at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:137)
        at 
org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:758)
        at 
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:890)
        at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:460)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_tiles_insert_2(org.apache.jsp.template.standard_jsp:301)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_f_subview_2(org.apache.jsp.template.standard_jsp:278)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_f_view_0(org.apache.jsp.template.standard_jsp:156)
        at 
org.apache.jsp.template.standard_jsp._jspService(org.apache.jsp.template.standard_jsp:77)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
        at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
        at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
        at 
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:405)
        at 
org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java:220)
        at 
org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java:206)
        at 
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:112)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:292)
        at 
net.sf.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:84)
        at 
net.sf.acegisecurity.intercept.web.SecurityEnforcementFilter.doFilter(SecurityEnforcementFilter.java:182)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:153)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:114)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:206)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:305)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:225)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:173)
        at 
net.sf.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:125)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Unknown Source)
2005-08-11 10:18:40,401 [http-8080-Processor23] ERROR - Exception while 
rendering children of panel-grid.
javax.faces.el.EvaluationException: Expression: '#{request.object.request.rid}'
        at 
org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:466)
        at javax.faces.component.UIOutput.getValue(UIOutput.java:75)
        at 
org.apache.myfaces.renderkit.RendererUtils.getStringValue(RendererUtils.java:293)
        at 
org.apache.myfaces.renderkit.html.HtmlTextRendererBase.renderOutput(HtmlTextRendererBase.java:93)
        at 
org.apache.myfaces.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:81)
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:341)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:491)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChildren(RendererUtils.java:468)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:489)
        at 
org.apache.myfaces.renderkit.html.HtmlTableRendererBase.renderColumnBody(HtmlTableRendererBase.java:205)
        at 
org.apache.myfaces.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:160)
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:329)
        at 
org.apache.myfaces.component.html.ext.HtmlDataTable.encodeChildren(HtmlDataTable.java:507)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:485)
        at 
org.apache.myfaces.renderkit.html.HtmlGridRenderer.renderChildren(HtmlGridRenderer.java:253)
        at 
org.apache.myfaces.renderkit.html.HtmlGridRenderer.encodeEnd(HtmlGridRenderer.java:131)
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:341)
        at javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:386)
        at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:290)
        at 
org.apache.myfaces.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:98)
        at 
org.apache.jsp.secure.listrequests_jsp._jspx_meth_h_panelGrid_0(org.apache.jsp.secure.listrequests_jsp:166)
        at 
org.apache.jsp.secure.listrequests_jsp._jspx_meth_h_form_0(org.apache.jsp.secure.listrequests_jsp:115)
        at 
org.apache.jsp.secure.listrequests_jsp._jspService(org.apache.jsp.secure.listrequests_jsp:85)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at 
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
        at 
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:604)
        at 
org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:101)
        at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:137)
        at 
org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:758)
        at 
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:890)
        at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:460)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_tiles_insert_2(org.apache.jsp.template.standard_jsp:301)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_f_subview_2(org.apache.jsp.template.standard_jsp:278)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_f_view_0(org.apache.jsp.template.standard_jsp:156)
        at 
org.apache.jsp.template.standard_jsp._jspService(org.apache.jsp.template.standard_jsp:77)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
        at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
        at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
        at 
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:405)
        at 
org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java:220)
        at 
org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java:206)
        at 
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:112)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:292)
        at 
net.sf.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:84)
        at 
net.sf.acegisecurity.intercept.web.SecurityEnforcementFilter.doFilter(SecurityEnforcementFilter.java:182)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:153)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:114)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:206)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:305)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:225)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:173)
        at 
net.sf.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:125)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Unknown Source)
Caused by: javax.faces.el.ReferenceSyntaxException: Cannot convert index to int 
for base [Ljava.lang.Object; and index object
        at 
org.apache.myfaces.el.ELParserHelper.coerceToIntegerWrapper(ELParserHelper.java:418)
        at org.apache.myfaces.el.ELParserHelper.toIndex(ELParserHelper.java:440)
        at 
org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:541)
        at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
        at 
org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:441)
        ... 96 more
2005-08-11 10:18:40,417 [http-8080-Processor23] ERROR - Servlet.service() for 
servlet jsp threw exception
javax.faces.el.EvaluationException: Expression: '#{request.object.request.rid}'
        at 
org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:466)
        at javax.faces.component.UIOutput.getValue(UIOutput.java:75)
        at 
org.apache.myfaces.renderkit.RendererUtils.getStringValue(RendererUtils.java:293)
        at 
org.apache.myfaces.renderkit.html.HtmlTextRendererBase.renderOutput(HtmlTextRendererBase.java:93)
        at 
org.apache.myfaces.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:81)
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:341)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:491)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChildren(RendererUtils.java:468)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:489)
        at 
org.apache.myfaces.renderkit.html.HtmlTableRendererBase.renderColumnBody(HtmlTableRendererBase.java:205)
        at 
org.apache.myfaces.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:160)
        at 
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:329)
        at 
org.apache.myfaces.component.html.ext.HtmlDataTable.encodeChildren(HtmlDataTable.java:507)
        at 
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:485)
        at 
org.apache.myfaces.renderkit.html.HtmlGridRenderer.renderChildren(HtmlGridRenderer.java:253)
        at 
org.apache.myfaces.renderkit.html.HtmlGridRenderer.encodeEnd(HtmlGridRenderer.java:131)
        at 
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:341)
        at javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:386)
        at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:290)
        at 
org.apache.myfaces.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:98)
        at 
org.apache.jsp.secure.listrequests_jsp._jspx_meth_h_panelGrid_0(org.apache.jsp.secure.listrequests_jsp:166)
        at 
org.apache.jsp.secure.listrequests_jsp._jspx_meth_h_form_0(org.apache.jsp.secure.listrequests_jsp:115)
        at 
org.apache.jsp.secure.listrequests_jsp._jspService(org.apache.jsp.secure.listrequests_jsp:85)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
        at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
        at 
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
        at 
org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:604)
        at 
org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:101)
        at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:137)
        at 
org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:758)
        at 
org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:890)
        at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:460)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_tiles_insert_2(org.apache.jsp.template.standard_jsp:301)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_f_subview_2(org.apache.jsp.template.standard_jsp:278)
        at 
org.apache.jsp.template.standard_jsp._jspx_meth_f_view_0(org.apache.jsp.template.standard_jsp:156)
        at 
org.apache.jsp.template.standard_jsp._jspService(org.apache.jsp.template.standard_jsp:77)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
        at 
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
        at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
        at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
        at 
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:405)
        at 
org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.dispatch(JspTilesViewHandlerImpl.java:220)
        at 
org.apache.myfaces.application.jsp.JspTilesViewHandlerImpl.renderView(JspTilesViewHandlerImpl.java:206)
        at 
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:112)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:292)
        at 
net.sf.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:84)
        at 
net.sf.acegisecurity.intercept.web.SecurityEnforcementFilter.doFilter(SecurityEnforcementFilter.java:182)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:153)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:114)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:206)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:305)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:225)
        at 
net.sf.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:303)
        at 
net.sf.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:173)
        at 
net.sf.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:125)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Unknown Source)
Caused by: javax.faces.el.ReferenceSyntaxException: Cannot convert index to int 
for base [Ljava.lang.Object; and index object
        at 
org.apache.myfaces.el.ELParserHelper.coerceToIntegerWrapper(ELParserHelper.java:418)
        at org.apache.myfaces.el.ELParserHelper.toIndex(ELParserHelper.java:440)
        at 
org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:541)
        at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
        at 
org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:441)
        ... 96 more

The advise hibernateSession is a good one, I just took a look on it, and you 
are right, you get much more of the power of hibernate. But as my query it is 
also just returning a List it has no benefit for me, till yet - but I am sure 
it will have :-) . And as you can see from the picture I added 2 Mails earlyer 
there is a resultset put into request. The only thing is, that I just can't 
reference it properly in my datatable.

Thanks a lot.

Regards Johannes

"MyFaces Discussion" <[email protected]> schrieb am 11.08.05 10:12:49:
> 
> Hi,
> Your code seems to be good ... But having the error code would be easier to 
> solve your problem.
> Maybe you can check the type of database datas your are getting so they can't 
> be outputed in the t:dataTable.
> Other thing, you seems to use the HibernateTemplate of the Spring Framework, 
> but I advise you to use an hibernateSession object (get it with 
> org.springframework.orm.hibernate3.SessionFactoryUtils class) instead. This 
> way, you will be able to use all the hibernate API (Criteria, Query, 
> Collection, etc). The HibernateTemplate is a good solution for only very 
> simple query.
> 
> Hope this helps ;)
> Clément.
> 
> -----Message d'origine-----
> De : Johannes Hiemer [mailto:[EMAIL PROTECTED] 
> Envoyé : jeudi 11 août 2005 09:19
> À : [email protected]
> Objet : Datatable and Hibernate query
> 
> 
> 
> Hi,
> I am getting into trouble with a bit adavanced hibernate query that I want to 
> show up in a datatable. That is my hibernate query:
>       public List getRequests() {
>               return getHibernateTemplate()
>                               .find("from Request request, Customer customer, 
> Employee employee, System system,"
>                        + " Systemerror systemerror, Customee customee WHERE 
> request.Rcustomer = customer.Cid"
>                        + " AND request.Rscheduler = employee.Eid AND 
> request.Rfieldengineer = employee.Eid " 
>                        + " AND request.Rtag = system.Sid AND request.Rerror = 
> systemerror.Seid AND" 
>                        + " request.Rcustomee = customee.Cid");
>       }
> 
> And it returns the following structure
> @see attached picture.
> 
> So I am loading the query just the normal way I always to into a list
> @SuppressWarnings("unchecked")
>       private void populateRequestBean() {
>               request = getRequestManager().getRequests();
>       }
> 
> Now I try to get the values of the list in my datatable as an output. I tried 
> many ways, but I did not get it till yet.
> 
> <x:dataTable id="data" 
>                       var="request" value="#{listrequestsSpringBean.request}">
>                       <h:column>
>                               <f:facet name="header">
>                                       <h:outputText 
> value="#{bundle.listrequestsRID}" />
>                               </f:facet>
>                               <h:outputText 
> value="#{request.object.request.rid}" />
>                       </h:column>
> 
> Is the way I am doing right or wrong?
> Did anyone solve a similiar problem?
> 
> I hope anyone can help me.
> 
> Thanks a lot
> 
> Regards Johannes 
> ______________________________________________________________
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