Error: 'bobj.crv.params.FlexParameterUI' is null or not an object

Hi,
can someone tell me how to fix the following error when i try to open a RPT file using crjava-runtime in Apache. i believe this error is javascript related.
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB6; .NET CLR 2.0.50727)
Timestamp: Mon, 17 Aug 2009 06:08:44 UTC
Message: 'bobj.crv.params.FlexParameterUI' is null or not an object
Line: 50
Char: 1
Code: 0
URI: http://localhost:8084/WebCrystalReport/CrystalReportViewer.jsp
much appreciate,
Kenny

Note that the new CR4E web viewer uses Adobe Flex to display the parameter selection dialog. The error is indicating issues with accessing this particular component via client-side JavaScript.
I would:
1. Trace JavaScript using a web browser JavaScript debugger.
2. Trace HTTP communication using [Fiddler|http://www.fiddlertool.com]
to find what's missing.
Sincerely,
Ted Ueda

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'bobj.crv.params.FlexParameterUI' is null or not an object

I'm having a problem getting my report to display in the DHTML viewer.<br>
<br>
My test environment:<br>
- Windows XP SP3<br>
- Tomcat 5.5 with JDK 1.6.0_17<br>
- PostgreSQL 8.4 (Windows version)<br>
- Report designed using JDBC driver - postgresql-8.4-701.jdbc3.jar<br>
- I'm not using Eclipse or the reporting tag libraries (just Notepad)<br>
<br>
I can get my report with saved data to work just fine in the DHTML viewer but I keep getting the following error every time I try to view it in the viewer:<br>
<br>
'bobj.crv.params.FlexParameterUI' is null or not an object<br>
<br>
For testing purposes, I tried the samples available and this is what my results were:<br>
<br>
1. Java_CRJ12_Web_Set_DB_Logon sample works fine. I edited the index.html to include my report (without saved data) and it successfully generates a PDF export which it prompts me to open or save. So this works fine and I verified the data in the PDF document.<br>
<br><br>
2. Java_CRJ12_Web_View sample fails with the error I've mentioned above.<br>
<br>
This is code I'm using<br>
jrc_view_report.jsp<br>
<%@page contentType="text/html"%>
<%//Crystal Java Reporting Component (JRC) imports.%>
<%@page import="com.crystaldecisions.sdk.occa.report.application.*" %>
<%@page import="com.crystaldecisions.sdk.occa.report.lib.*" %>
<%@page import="com.crystaldecisions.sdk.occa.report.application.DatabaseController" %>
<%
//Report can be opened from the relative location specified in the CRConfig.xml, or the report location
//tag can be removed to open the reports as Java resources or using an absolute path (absolute path not recommended
//for Web applications).
final String REPORT_NAME = "PP30_DupPayments.rpt";
%>
<%
try {
     //Open report.
     ReportClientDocument reportClientDoc = new ReportClientDocument();
     reportClientDoc.setReportAppServer(ReportClientDocument.inprocConnectionString);
     reportClientDoc.open(REPORT_NAME, 0);
     reportClientDoc.getDatabaseController().logon("postgres", "sa");
     //Store the report source in session, will be used by the CrystalReportViewer.
     session.setAttribute("reportSource", reportClientDoc.getReportSource());
     //Launch CrystalReportViewer page that contains the report viewer.
     response.sendRedirect("CrystalReportViewer.jsp");
catch(ReportSDKException ex) {
     out.println(ex);
catch(Exception ex) {
     out.println(ex);
%>
<br>
<br>
CrystalReportViewer.jsp<br>
<%@ page contentType="text/html; charset=utf-8"
         import="com.crystaldecisions.report.web.viewer.CrystalImageCleaner,
                 com.crystaldecisions.report.web.viewer.CrystalReportViewer,
                 com.crystaldecisions.report.web.viewer.CrPrintMode"
%><%
Object reportSource;
CrystalReportViewer crystalReportViewer;
* Retrieve ReportSource from HTTP Session and pass to CrystalReportViewer.
reportSource = session.getAttribute("ReportSource");
crystalReportViewer = new CrystalReportViewer();
crystalReportViewer.setOwnPage(true);
crystalReportViewer.setPrintMode(CrPrintMode.ACTIVEX);
crystalReportViewer.setReportSource(reportSource);
crystalReportViewer.processHttpRequest(request, response, getServletContext(), null);
%><%!
* Start image clieanup thread on JSP load.
* Scan temp folder every 10 minutes to delete viewer-generated images 20 minutes or older.
public void jspInit() {
    CrystalImageCleaner.start(getServletContext(), 10 * (60 * 1000), 20 * (60 * 1000));
* Stop the image cleanup thread on JSP unload.
public void jspDestroy() {
    CrystalImageCleaner.stop(getServletContext());
%>
<br><br>
Things I know:<br>
- web.xml appears to be configured correctly<br>
- CRconfig.xml appears to be working as well (as my PDF document looked good<br>
I'm using these crjava libraries:<br>
http://downloads.businessobjects.com/akdlm/crystalreportsforeclipse/2_0/crjava-runtime_12.2.204.zip<br>
<br>
I don't think my markup formatting came through correctly - sorry about the code format.

Hi Ted!
Thanks for the reply and suggestions. I don't know if there is a different version of the viewers folder that I should be using but I am using the ones from this folder:
C:\Program Files\Business Objects\Common\4.0\crystalreportviewers12
That said, I didn't see anything amiss in Fiddler and when I looked in Firebug at the script portion where it was constructing the FlexParameterUI panel, I could see where it was capturing the report parameter names and prompts. I decided to rip out all the parameters out of my report and voila, it loaded up fine in the viewer.
I then added a new string parameter giving it a simple short name (Test1) and, initially, I did not use this parameter in the report. It loaded up in the viewer just fine too.
I then added the parameter to the report header and I was back to the same problem - it would not load in the viewer and the error was the same as the subject line shows.
For the record, I am using Crystal Reports 2008 v12.2.0.290
So is there some other crystalreportviewers12 that I should be using?
Kind regards,
Evan

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Ok, for some reason, it is not working for me. Below are the code that didnt work for me
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</script>
This too didnt work
<script type="text/javascript">
function ShowStatusBarMessage()
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SP.UI.Status.setStatusPriColor(statusId, 'red');
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mano
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Error: 'bobj.crv.params.FlexParameterUI' is null or not an object

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