Form Beans - BC4J Struts

Can anyone out there gimme some guide on how to create Form Beans in JDeveloper.
I did an approach on creating it base on the BC4JTOystore but it didn't quite work.
Here's wat i did:
1. Define a form bean and map it in the struts-config.xml
2. Edited the JSP + ***Action.java.
3. Run it
and this is wat i get:
java.lang.NullPointerException
     org.apache.struts.action.ActionForward oracle.jbo.html.struts11.actions.EditAction.create(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
          EditAction.java:97
     org.apache.struts.action.ActionForward betting.loginAction.execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
          loginAction.java:16
     org.apache.struts.action.ActionForward org.apache.struts.action.RequestProcessor.processActionPerform(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.apache.struts.action.Action, org.apache.struts.action.ActionForm, org.apache.struts.action.ActionMapping)
          RequestProcessor.java:446
     void org.apache.struts.action.RequestProcessor.process(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
          RequestProcessor.java:266
     void org.apache.struts.action.ActionServlet.process(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
          ActionServlet.java:1292
     void org.apache.struts.action.ActionServlet.doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
          ActionServlet.java:492
     void javax.servlet.http.HttpServlet.service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
          HttpServlet.java:740
     void javax.servlet.http.HttpServlet.service(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
          HttpServlet.java:853
     void com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.ServletRequestDispatcher.invoke(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
          ServletRequestDispatcher.java:721
     void com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.ServletRequestDispatcher.forwardInternal(javax.servlet.ServletRequest, javax.servlet.http.HttpServletResponse)
          ServletRequestDispatcher.java:306
     boolean com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.HttpRequestHandler.processRequest(com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.ApplicationServerThread, com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.EvermindHttpServletRequest, com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.EvermindHttpServletResponse, java.io.InputStream, java.io.OutputStream, boolean)
          HttpRequestHandler.java:767
     void com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.HttpRequestHandler.run(java.lang.Thread)
          HttpRequestHandler.java:259
     void com.evermind[Oracle9iAS (9.0.3.0.0) Containers for J2EE].server.http.HttpRequestHandler.run()
          HttpRequestHandler.java:106
     void EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run()
          PooledExecutor.java:797
     void java.lang.Thread.run()
          Thread.java:484
anyone ??

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