Newbie to SJSC : Cannot drop component onto page NoClassDefFoundError

Hello,
I recently downloaded and installed Sun Java Studio Creator 2 (SJSC) and was trying the tutorial to get myself familiarized with it.
I cannot drop any JSF (not even standard or basic) onto the page1 JSP, i get this error:
********* Exception occurred ************ at 10:45 AM on Mar 21, 2006
java.lang.NoClassDefFoundError: com/sun/jsfcl/xhtml/FramesetFrameset
        at com.sun.rave.designer.DndHandler.createBeans(DndHandler.java:1425)
        at com.sun.rave.designer.DndHandler.importBean(DndHandler.java:868)
        at com.sun.rave.designer.DndHandler.importItem(DndHandler.java:702)
        at com.sun.rave.designer.DndHandler.importDataDelayed(DndHandler.java:376)
        at com.sun.rave.designer.DndHandler.access$000(DndHandler.java:114)
        at com.sun.rave.designer.DndHandler$1.run(DndHandler.java:298)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
[catch] at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)I think that this error is NOT related to the upgrade issues related to "You cannot drop components on plan HTML documents, only on web forms."
I have read the forum extensively but cannot find any helpful topics so i decided to post.
I really appreciate your time for reading this far, if you have any ideas, please llet me know.
Thank you very much!!!!
Federico Vela

Sandeep,
Thank you for your reply.
Although it did not fix the issue, reinstalling to c:/sun/creator did change the error!
I get the big ugly red bar in the design view that says there are errors on the page.
Now the problem is an undefined symbol on the inheritance of the page
public class Page1 extends AbstractPageBean***cannot find symbol AbstractPageBean******
If i scroll up to the import statement
import com.sun.rave.web.ui.appbase.AbstractPageBean;***package com.sun.rave.web.ui.appbase does not exist*****
furthermore, if i try to compile i get the following error
C:\Documents and Settings\Federico Vela\My Documents\Creator\Projects\HelloWebTutorial\nbproject\build-impl.xml:371: Warning: Could not find file C:\Program Files\Sun\Creator2\rave2.0\modules\autoload\ext\errorhandler.jar to copy.I will try your suggestion of deleting the user folder. I'll let you know if I make any progress. Thanks a bunch.!!!
federico

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         at com.gal.fast.portal.web.SessionInitializedFilter.doFilter(SessionInitializedFilter.java:105)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:556)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
         at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:209)
         at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1033)
         at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:269)
         at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:249)
         at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:303)
         at org.apache.struts.action.RequestProcessor.processActionForward(RequestProcessor.java:401)
         at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
         at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1422)
         at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:505)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
         at com.gal.fast.portal.web.FastActionServlet.service(FastActionServlet.java:110)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
         at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:283)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)
         at com.gal.fast.portal.web.SessionInitializedFilter.doFilter(SessionInitializedFilter.java:105)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:556)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:148)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:72)
         at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
         at java.lang.Thread.run(Thread.java:536)
    All the code in the two custom classes above ( com.gal.fast.portal.web.SessionInitializedFilter and com.gal.fast.portal.web.FastActionServlet ) has been commented out to the point that they are NOOP stubs.
    We only see this with multiple near-simultaneous requests for the same page with differet roles. It smells like a threading issue to me, but I'm no expert (hence this post). Any thoughts?
    --matt

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