Extending controller ByrAddrCO

Hi,
I am extending the controller 'ByrAddrCO'. I am not able to fetch data from any VO. I am getting NULL pointer exception at the 3rd line.
I am doing the following
OAApplicationModule xam = paramOAPageContext.getApplicationModule(paramOAWebBean);
OAViewObjectImpl DffVO = (OAViewObjectImpl)xam.findViewObject("HzPuiPartySiteVO");
OAViewRowImpl DffRow = (OAViewRowImpl)DffVO.getCurrentRow();
let me know what i am doing wrong.
Thanks,
Kiran M.

Thansk for the replies guyz,
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Hi Anil,
I did the following
if(paramOAPageContext.getParameter("applyBtn") != null)
super.processFormRequest(paramOAPageContext, paramOAWebBean);
OAApplicationModule xam = paramOAPageContext.getApplicationModule(paramOAWebBean);
OAViewObjectImpl DffVO = (OAViewObjectImpl)xam.findViewObject("HzPuiPartySiteVO");
if (DffVO != null)
DffVO.reset();
DffVO.first();
OARow row = (OARow)DffVO.getCurrentRow();
throw new OAException("Testing"+row.getAttribute("Addressee"),OAException.ERROR );
else
throw new OAException("DFFVO is NULL",OAException.ERROR );
I am going to the else condition so looks like DffVO is NULL.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Hi Anoop,
I tried the following
if(paramOAPageContext.getParameter("applyBtn") != null)
super.processFormRequest(paramOAPageContext, paramOAWebBean);
OAApplicationModule xam = paramOAPageContext.getApplicationModule(paramOAWebBean);
OAViewObjectImpl DffVO = (OAViewObjectImpl)xam.findViewObject("HzPuiPartySiteVO");
//OAViewRowImpl DffRow = (OAViewRowImpl)DffVO.getCurrentRow();
OAViewRowImpl DffRow = (OAViewRowImpl)DffVO.first();
if (paramOAPageContext.getParameter("PosPartySiteId") != null)
throw new OAException("You cannot"+DffRow.getAttribute("Addressee"),OAException.ERROR );
The error stack is as follows
Exception Details.
oracle.apps.fnd.framework.OAException: java.lang.NullPointerException
     at oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:896)
     at oracle.apps.fnd.framework.webui.OAPageErrorHandler.prepareException(OAPageErrorHandler.java:1169)
     at oracle.apps.fnd.framework.webui.OAPageErrorHandler.processErrors(OAPageErrorHandler.java:1435)
     at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2850)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1838)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:536)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:424)
     at OA.jspService(_OA.java:212)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:416)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:478)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:401)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
     at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(ReleaseResFilter.java:26)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:318)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:610)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:359)
     at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
     at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:299)
     at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:187)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
## Detail 0 ##
java.lang.NullPointerException
     at xxtjx.oracle.apps.pos.supplier.webui.XXTJXByrAddrCO86.processFormRequest(XXTJXByrAddrCO86.java:48)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:815)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:382)
     at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1189)
     at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1027)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:993)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:848)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:382)
     at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1027)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:993)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:848)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:382)
     at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
     at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2846)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1838)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:536)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:424)
     at OA.jspService(_OA.java:212)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:416)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:478)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:401)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
     at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(ReleaseResFilter.java:26)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:318)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:610)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:359)
     at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
     at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:299)
     at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:187)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
java.lang.NullPointerException
     at xxtjx.oracle.apps.pos.supplier.webui.XXTJXByrAddrCO86.processFormRequest(XXTJXByrAddrCO86.java:48)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:815)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:382)
     at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1189)
     at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1027)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:993)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:848)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:382)
     at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1027)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:993)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:848)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:382)
     at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
     at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2846)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1838)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:536)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:424)
     at OA.jspService(_OA.java:212)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:416)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:478)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:401)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
     at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(ReleaseResFilter.java:26)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:318)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:610)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:359)
     at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
     at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:299)
     at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:187)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
     at java.lang.Thread.run(Thread.java:595)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Hi Reetesh,
can you elaborate what do you mean or give me an example, that would be really helpfull.
Thanks,
Kiran M.

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         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:596)
         at oracle.apps.fnd.framework.webui.OAWebBeanTableHelper.processRequest(OAWebBeanTableHelper.java:2141)
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         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:964)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:931)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:655)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:251)
         at oracle.apps.fnd.framework.webui.beans.layout.OAHeaderBean.processRequest(OAHeaderBean.java:391)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:964)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:931)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:655)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:251)
         at oracle.apps.fnd.framework.webui.beans.layout.OAStackLayoutBean.processRequest(OAStackLayoutBean.java:350)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:964)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:931)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:655)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:251)
         at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processRequest(OAPageLayoutHelper.java:1166)
         at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processRequest(OAPageLayoutBean.java:1569)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:964)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:931)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:655)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:251)
         at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processRequest(OAFormBean.java:385)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:964)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:931)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:655)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:251)
         at oracle.apps.fnd.framework.webui.beans.OABodyBean.processRequest(OABodyBean.java:353)
         at oracle.apps.fnd.framework.webui.OAPageBean.processRequest(OAPageBean.java:2496)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1892)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:536)
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         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:462)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
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         at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
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         at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(ReleaseResFilter.java:26)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
         at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:318)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
         at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
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         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
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  • Missing class file for extended controller

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    Hi,
    I have extended the CompetenciesCO.class file by creating java class in the jdev, after that i written my logic then i saved and transfered that specific file
    to server (where the CompetenciesCO is located).
    But while i run the page, it says could not create java file:
    after that i changed that extended controller file to .class file, but again same problem.
    What should i do?
    Thanks in advance,
    SAN

    I can't understand about custom top under $JAVA_TOP.
    what i did is, i paced the extended Controller file in the same location where the original controller available.
    Now what should i do?
    why my extended class is problem?
    I changed the controller class file in the Region also using personalization.
    but i didn't bouce the application after i made this, is it needed?

  • After extending controller

    Hi,
    I have extended a controller for a region and using personalization i assigned the extended controller to the page.
    In another page i have a page with the same region. So again i just give the name of the extended controller name using personalization.
    Is there possible to make the region to point to the extended controller, so that in the second page i no need to set the name manually.
    Thanks in Advance,
    Jegan

    Personalization can be done at Page scope and region scope.
    when doing the personalization you can see the scope at top of the page.
    When you select Personalize Page link at top of the page, then personalization is stored at the page level.
    When you select the pernalize region link, then OAF will check if its a shared region or not..
    if its not a shared region, personalization will be stored at the page level.
    If its a shared region, then personalization is store at region level.
    --Prasanna                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

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