يحدث خطأ عند استخدامى لل و اعرف ما السبب

جميع التاج تعمل لكن عند استخدامى <rich:tabPanel> و اعرف ما السبب و يعطنى هذه الصفحة

HTTP Status 500 - 

--------------------------------------------------------------------------------

type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

javax.servlet.ServletException: Resources framework is not initialised, check web.xml for Filter configuration
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:249)


root cause 

javax.faces.FacesException: Resources framework is not initialised, check web.xml for Filter configuration
	org.ajax4jsf.resource.ResourceBuilderImpl.getWebXml(ResourceBuilderImpl.java:118)
	org.ajax4jsf.resource.ResourceBuilderImpl.getUri(ResourceBuilderImpl.java:325)
	org.ajax4jsf.resource.InternetResourceBase.getUri(InternetResourceBase.java:218)
	org.richfaces.renderkit.html.TabPanelRenderer.doEncodeBegin(TabPanelRenderer.java:185)
	org.richfaces.renderkit.html.TabPanelRenderer.doEncodeBegin(TabPanelRenderer.java:180)
	org.ajax4jsf.renderkit.RendererBase.encodeBegin(RendererBase.java:100)
	javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:785)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:884)
	javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
	javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
	com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:244)
	com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:175)
	org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
	org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.30 logs.