Execute JSF tags in Visual Editor?

Hi to all,
I'm currently using JDev 10.1.3.0.3.3412; I read that, checking "Execute tags in JSP Visual Editor" should render my jsf tags once I press the refresh button. However, I have been unable to get it to work. I have the library defined and my web app works perfectly in the OC4J server, but in the Visual Editor I can only see the names and layout of the JSF components I have, not they real look.
Am I missing something?
Best regards
Alejandro

can you reproduce in a simple case - the labels will come out as placeholder/binding text but if you drop on, for example, a table you should be the table layout and the navigation bars in that table...
See http://www.oracle.com/technology/products/jdev/collateral/4gl/viewlets/Workshop_intro.swf - towards the end of this viewlet you see a JSF page layout - is this what you are seeing?

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Jdeveloper version is 10131 build 3914
Message
BME-99003: An error occurred, so processing could not continue.
Cause
The application has tried to de-reference an invalid pointer. This exception should have been dealt with programmatically. The current activity may fail and the system may have been left in an unstable state. The following is a stack trace.
java.lang.NullPointerException
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     at oracle.jdevimpl.webapp.design.util.InvisibleJspElementsUtil.applyInvisibleJSPElements(InvisibleJspElementsUtil.java:78)
     at oracle.jdevimpl.webapp.design.util.InvisibleJspElementsUtil.applyInvisibleJSPElements(InvisibleJspElementsUtil.java:47)
     at oracle.jdevimpl.webapp.design.view.DesignTimeFixedViewDocument.rebuildTree(DesignTimeFixedViewDocument.java:162)
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Action
If further errors occur, you should restart the application.
Also, report the problem on the JDeveloper forum on otn.oracle.com, or contact Oracle support, giving the information from this message.
________________________________________________________________________________

one more thing...the code runs properly on localhost... i tested it on my pc n it was fine..both in firefox and IE...
i guess there is a specific syntax i need to follow (strict syntax) but i dunno what it is...:(

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Message was edited by:
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     at oracle.jdevimpl.webapp.design.renderer.FacesActionRenderer.renderChildren(FacesActionRenderer.java:367)
     at oracle.jdevimpl.webapp.design.renderer.DesignTimeJspActionRenderer._executeTag(DesignTimeJspActionRenderer.java:1665)
     at oracle.jdevimpl.webapp.design.renderer.DesignTimeJspActionRenderer.render(DesignTimeJspActionRenderer.java:241)
     at oracle.jdevimpl.webapp.design.renderer.FacesActionRenderer.render(FacesActionRenderer.java:127)
     at oracle.jdevimpl.webapp.design.DesignTimeRenderer.renderChildren(DesignTimeRenderer.java:424)
     at oracle.jdevimpl.webapp.jsp.renderers.JSPCoreSyntaxRenderer.render(JSPCoreSyntaxRenderer.java:66)
     at oracle.jdevimpl.webapp.design.support.jsp.DesignTimeJspServlet._renderSource(DesignTimeJspServlet.java:197)
     at oracle.jdevimpl.webapp.design.support.jsp.DesignTimeJspServlet.serviceJsp(DesignTimeJspServlet.java:109)
     at oracle.jdevimpl.webapp.design.support.jsp.DesignTimeJspServlet.service(DesignTimeJspServlet.java:73)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeServletInfo.service(DesignTimeServletInfo.java:268)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeRequestDispatcher.dispatch(DesignTimeRequestDispatcher.java:197)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeRequestDispatcher.forward(DesignTimeRequestDispatcher.java:72)
     at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
     at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
     at oracle.adfinternal.view.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:157)
     at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
     at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
     at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeServletInfo.service(DesignTimeServletInfo.java:268)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeRequestDispatcher$DesignTimeFilterChain.doFilter(DesignTimeRequestDispatcher.java:307)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeRequestDispatcher.dispatch(DesignTimeRequestDispatcher.java:193)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeServletContainerContext._service(DesignTimeServletContainerContext.java:611)
     at oracle.jdevimpl.webapp.design.support.http.DesignTimeServletContainerContext.service(DesignTimeServletContainerContext.java:570)
     at oracle.jdevimpl.webapp.design.DesignTimeRenderThread.runImpl(DesignTimeRenderThread.java:264)
     at oracle.jdevimpl.webapp.design.DesignTimeThread.run(DesignTimeThread.java:146)

Hi all,
Although I have removed filter mapping, the same problem described above continues except the exception messages are not exist now!
Visual editor does not show any adf core components such as input text, tables rows etc.
I'm using jdeveloper 10.1.3.0.4 newly so what is the problem?
In source, I have used subview and tiles components. there may be problems because of usages of these components?
At the beginning there was no problem, I could view the all components on visual designer...
any idea... !?
best regards
--baris

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