Dynamically created PanelMenu render problem
maguri Apr 18, 2008 4:25 PMHi,
Env: RichFaces 3.1.4, Jboss4.2.2, Mozilla Firefox
Tag definition in page:
<h:panelGrid id="menucat1" columns="1"> <rich:panelMenu id="panmenu" binding="#{navegacionBean.panelMenu}"> </rich:panelMenu> </h:panelGrid>
Menú creation in backing bean:
panelMenu.setMode("ajax"); HtmlPanelMenuGroup pmg = new HtmlPanelMenuGroup(); pmg.setLabel("Label 1"); HtmlPanelMenuItem pmi = new HtmlPanelMenuItem(); pmi.setLabel("Label 1.1"); pmg.getChildren().add(pmi); pmi = new HtmlPanelMenuItem(); pmi.setLabel("Label 1.2"); pmg.getChildren().add(pmi); panelMenu.getChildren().add(pmg); pmg = new HtmlPanelMenuGroup(); pmg.setLabel("Label 2"); pmi = new HtmlPanelMenuItem(); pmi.setLabel("Label 2.1"); pmg.getChildren().add(pmi); pmi = new HtmlPanelMenuItem(); pmi.setLabel("Label 2.2"); pmg.getChildren().add(pmi); panelMenu.getChildren().add(pmg);
Opening the page generates the following error:
GRAVE: Error Rendering View[/paginas/navegacion/menu-catego.xhtml] java.lang.NullPointerException at org.richfaces.renderkit.html.PanelMenuGroupRenderer.isSelected(PanelMenuGroupRenderer.java:308) at org.richfaces.renderkit.html.PanelMenuGroupRenderer.getSelectedClass(PanelMenuGroupRenderer.java:246) at org.richfaces.renderkit.html.HtmlPanelMenuGroupRenderer.doEncodeBegin(HtmlPanelMenuGroupRenderer.java:112) at org.richfaces.renderkit.html.HtmlPanelMenuGroupRenderer.doEncodeBegin(HtmlPanelMenuGroupRenderer.java:86) at org.ajax4jsf.renderkit.RendererBase.encodeBegin(RendererBase.java:101) at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:788) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:280) at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:262) at org.richfaces.renderkit.html.HtmlPanelMenuRenderer.doEncodeChildren(HtmlPanelMenuRenderer.java:224) at org.richfaces.renderkit.html.HtmlPanelMenuRenderer.doEncodeChildren(HtmlPanelMenuRenderer.java:219) at org.ajax4jsf.renderkit.RendererBase.encodeChildren(RendererBase.java:121) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:271) at com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:242) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) at javax.faces.render.Renderer.encodeChildren(Renderer.java:137) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:571) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) at java.lang.Thread.run(Thread.java:595)
I checked the dynamic generation of Drop Down Menu with success.
I would apprecite very much any help on this, as I'm badly needing this component.
Thanks a lot