Bug : Invalid file extension error when opening exported excel

Hi All,
In one of my jsff page, i have implemented 'exportToExcel' functionality through a exportcollectionactionlistener on a table to export its data to excel. When i try opening the generated excel, i get the following warning in excel 2007 :
"The file you are trying to open, 'Export.xls,' is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?" - When I clicked YES to the message, the exported excel opened and data is present.
How can i get rid of this warning message, because it is annoying for any user to click YES every time the excel is opened ? I am using jdev version 11.1.1.6.0 This is my code :
<af:commandToolbarButton text="Export to Excel" id="cb1">
<af:exportCollectionActionListener exportedId="t1"
                           type="excelHTML"
                           filename="Export.xls"
                           title="Excel export"/>
</af:commandToolbarButton>I found a similar forum post here File format of exportCollectionActionListener ADF 11g But they are suggesting a registry fix which is not possible in production environment.
Any possible workaround or suggestions to resolve this issue is much appreciated.
Thanks

You can save the data on the client and the check the data.
Have you considered using POI to generate real xsl workbook files?
Timo

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Error when opening exported Excel document

hi,
i'm using the following to let the user export JSP to Excel file:
response.setContentType("application/download ");
response.setHeader("Content-Disposition","attachment; filename=test.xls");
problem happens only for the first when i try to open the file in excel.
Excel gives me " 'test.xls[1]' could not be found. Check the spelling of the file name, and verify that the file location is correct. ...."
Subsequent tries work fine with no problem.
i noticed that Excel is trying to open a file with a different name, appending [1], which obviosuly doesn't find in its first try.
i would appreciate any kind of clue.
thank you.

I got this from a different post on this forum.
Basically, on your JSP page which you want to export to Excel, set the content type and header as below. Then the browser(Internet Explorer) will try to open the excel document in itself.
<%
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition","attachment; filename=" + "test.xls" );
%>
<HTML>
<head>
<title>Excel Compatible HTML</title>
<style type="text/css">
td.currencyCustom { mso-number-format:"$#,##0.00_);[Red]($#,##0.00)"; text-align: right; }
td.currencyDefault { mso-number-format:"Currency"; text-align: right; }
td.integer { mso-number-format:"#,##0_);[Red](#,##0)"; text-align: right; }
td.percent { mso-number-format:"%0.00"; text-align: right; }
</style>
</head>
<body>
<table summary="Excel formats supported" width="500">
<tr><td colspan="2"><h1>Excel Compatible HTML</h1></td></tr>
<tr><td colspan="2"><p>This is a simple demo of how HTML tables can be extended
by using CSS styles recognized by Excel 2000. I haven't yet
been able to find any documentation on these styles. Most of this was
derived by saving a simple spreadsheet using the <i>Save as Web Page ...</i>
option then experimenting with formats using the <code>mso-number-format</code>
CSS attribute.</p>
<p>Excel will convert unformatted numbers to the specified style so formatting
them isn't required if the output is only to be used by Excel. Otherwise, they
should be formatted to display correctly in browsers.</p>

</td></tr>
<tr><td>12,345.60 with class="currencyCustom":</td><td class="currencyCustom">12,345.60</td></tr>
<tr><td>12345.6 with class="currencyCustom":</td><td class="currencyCustom">12345.6</td></tr>
<tr><td>-12,345.60 with class="currencyCustom":</td><td class="currencyCustom">-12,345.60</td></tr>
<tr><td>-12345.6 with class="currencyDefault":</td><td halign="right" class="currencyDefault" x:num="-12345.6">($12,345.60)</td></tr>
<tr><td colspan="2"> </td></tr>
<tr><td>123456789 with class="integer":</td><td class="integer">123456789</td></tr>
<tr><td>-123456789 with class="integer":</td><td class="integer">-123456789</td></tr>
<tr><td>123,456,789 with class="integer"</td><td class="integer">123,456,789</td></tr>
<tr><td>-123,456,789 with class="integer"</td><td class="integer">-123,456,789</td></tr>
<tr><td colspan="2"> </td></tr>
<tr><td>%100.00 with class="percent":</td><td class="percent">%100.00</td></tr>
<tr><td>%43.21 with class="percent":</td><td class="percent">%43.21</td></tr>
<tr><td>1.0 with class="percent":</td><td class="percent">1.0</td></tr>
<tr><td>0.4321 with class="percent":</td><td class="percent">0.4321</td></tr>
</table>
</body>
</html>
Currently, i'm trying a different approach.
I'm using POI from jakarta site to create Excel file manually.
here's a snippet of my code in my web request handler that creates an Excel file.
String exportType =(String) request.getParameter("export_type");
if(exportType!=null && exportType.equals(WebConstants.EXPORT_TYPE_MS_EXCEL))
HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet sheet = workbook.createSheet("Test Sheet");
HSSFCell cell = null;
HSSFCellStyle cellStyle = workbook.createCellStyle();
HSSFFont font = workbook.createFont();
font.setColor((short)0xc);
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
cellStyle.setFont(font);
HSSFRow titleRow = sheet.createRow((short)0);
cell = titleRow.createCell((short)0);
cell.setCellValue("Order ID");
cell.setCellStyle(cellStyle);
cell = titleRow.createCell((short)1);
cell.setCellValue("Order Time");
cell.setCellStyle(cellStyle);
for(short i=0; i<blotterModelList.size(); i++)
BlotterModel model = (BlotterModel)blotterModelList.get(i);
HSSFRow row = sheet.createRow((short)(i+1));
row.createCell((short)0).setCellValue(model.getOrderId());
row.createCell((short)1).setCellValue(model.getOrderTime());
ServletOutputStream stream = response.getOutputStream();
response.setContentType("application/vnd.ms-excel");
workbook.write(stream);
stream.flush();
stream.close();
Sir: I am having touble with my excel exporting.
Could you show me what you are doing and I can go to
school on it? Thanks!

Invalid File Name Errors when syncing to Ipod

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3. If I changed the name of the file, remapped the location of the file within iTunes, changed the name of the file BACK to the original name that iTunes supposedly had a problem with, and then remapped the location of the song within iTunes, the song would then sync properly
4. If I moved the song to a different directory without changing the file name, remapped the song within iTunes, the song would sync properly.
5. If I moved the song to a different directory without changing the file name, remapped the song within iTunes, moved the file BACK to the original directory, remapped the song again, the song would sync properly.
6. If I renamed the file and then named it back to the original file name WITHOUT remapping the file location in iTunes, the song would still not sync properly
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I got a procmon log file and examined it. I have the file and I could also provide you with that or screenshots of it.
There is nothing unusual about it. I can see entires in which CR has successfully opened the report and has cached in a c:\windows\temp.
However there is one or two non-successful entries that may be related, especially that examining the stack trace brings us to a call to get_ProductLocaleID():
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Does this point to any setup issues with CR? We always run the redistributable x86 runtime when installing it.

"Invalid file name" error when trying to load the report in IIS/CR 2008

We have deployed our application to many installations with no problem however in one particular case we get this error whenever we try to load any reports in our web app.
I made sure that the DefaulAppPool user (Network Service) has read+excute on all folders as well as the IIS anonymous user.
The anonnymous access is off but Windows Integrated Security is on.
ASP.NET Version:2.0.50727.3082
Web.config is healthy and is listed below.
Other pages in the application which are not depenent on C.R load and run perfectly.
I don't know what else to check
thanks for you help
jeff
Web.Config Entries related to CR ***********
<compilation debug="true">
<assemblies>
<add assembly="CrystalDecisions.Web, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.Shared, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.ReportSource, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.Enterprise.Framework, Version=12.0.1100.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.Enterprise.Desktop.Report, Version=12.0.1100.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.ReportAppServer.Controllers, Version=12.0.1100.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.CrystalReports.Engine, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.Enterprise.InfoStore, Version=12.0.1100.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.Enterprise.Viewing.ReportSource, Version=12.0.1100.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304"/>
<add assembly="CrystalDecisions.ReportAppServer.ClientDoc, Version=12.0.1100.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/>
</assemblies>
<buildProviders>
<add extension=".rpt" type="CrystalDecisions.Web.Compilation.RptBuildProvider, CrystalDecisions.Web, Version=12.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304"/></buildProviders>
</compilation>
ERROR DETAILS *****************
[COMException (0x800001fb): Invalid file name.]
   CrystalDecisions.ReportAppServer.ClientDoc.ReportClientDocumentClass.Open(Object& DocumentPath, Int32 Options) +0
   CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.Open(Object& DocumentPath, Int32 Options) +95
   CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened() +356
[CrystalReportsException: Load report failed.]
   CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened() +418
   CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.get_ProductLocaleID() +31
   CrystalDecisions.ReportSource.CachedObjectReportSource.GetReport(RequestContext context, Boolean bAddToCacheWhenCreated) +474
   CrystalDecisions.ReportSource.CachedObjectReportSource.InternalGetReport(RequestContext context, Boolean bAddToCacheWhenCreated) +15
   CrystalDecisions.Web.CrystalReportSource.get_ReportDocument() +184
   CrystalReportPageTemplate.OnInit(EventArgs e) in

I got a procmon log file and examined it. I have the file and I could also provide you with that or screenshots of it.
There is nothing unusual about it. I can see entires in which CR has successfully opened the report and has cached in a c:\windows\temp.
However there is one or two non-successful entries that may be related, especially that examining the stack trace brings us to a call to get_ProductLocaleID():
- A call to read reg entry HKU\S-1-5-20\Software\Business Objects\Suite 12.0\Crystal Reports\Locale fails with NAME NOT FOUND.
- immediately after that and from the same process (w3wp.ex) there is a call to open directory "c:\" which is logged as ACCESS DENIED.
Any subsequent unsuccessful calls seem to be results of exception handling in the debug code.
Does this point to any setup issues with CR? We always run the redistributable x86 runtime when installing it.

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Edited by: Santosh Keerti on Jun 4, 2008 1:29 PM

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Bug : Invalid file extension error when opening exported excel

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