UnknownExportFormat when trying to export Excel format

Question

Hi, I'm getting UnknownExportFormatException when trying to export the crystal report to Excel format. But I can export the
report to Word, PDF or RTF without any problem.
The manifest file of the CrystalReportsRuntime.jar has below information.
Manifest-Version: 1.0
Ant-Version: Apache Ant 1.7.0
Created-By: 1.5.0_12-b04 (Sun Microsystems Inc.)
Product-Name: Crystal Reports Runtime Components
Implementation-Title: Crystal Reports Runtime Components
Implementation-Version: 12.2.200.454
Implementation-Vendor: Business Objects, Inc.(C)
Can the experts point out whether this version of jar file supports the Excel or not? If not, then whether there is a service pack to fix it. Or which version we need to upgrade to to get this fixed.
Thanks very much in advance.
Eric
Caused by: com.crystaldecisions.reports.exportinterface2.exceptions.UnknownExportFormatException: UnknownExportFormat
     at com.crystaldecisions.reports.formatter.export2.ExportSupervisorEx.for(Unknown Source)
     at com.crystaldecisions.reports.formatter.export2.ExportSupervisorEx.a(Unknown Source)
     at com.businessobjects.reports.sdk.requesthandler.ReportViewingRequestHandler.a(Unknown Source)
     at com.businessobjects.reports.sdk.requesthandler.ReportViewingRequestHandler.int(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter.do(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter.if(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter.a(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter$2.a(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter$2.call(Unknown Source)
     at com.crystaldecisions.reports.common.ThreadGuard.syncExecute(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter.for(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter.int(Unknown Source)
     at com.businessobjects.reports.sdk.JRCCommunicationAdapter.request(Unknown Source)
     at com.businessobjects.sdk.erom.jrc.a.a(Unknown Source)
     at com.businessobjects.sdk.erom.jrc.a.execute(Unknown Source)
     at com.crystaldecisions.proxy.remoteagent.RemoteAgent$a.execute(Unknown Source)
     at com.crystaldecisions.proxy.remoteagent.CommunicationChannel.a(Unknown Source)
     at com.crystaldecisions.proxy.remoteagent.RemoteAgent.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ds.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
     at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
     ... 33 more

Answer 1

We export it from java servlet. But we used ReportExportFormat._MSExcel (which is constant value 2 defined in crystal report SDK) for excel export. As I looked at your code sample in JSP page, I changed the "Excel" value from 2  to 6 which is ReportExportFormat._recordToMSExcel as in the sample code
We have this code snippet to set the export options.     (No change)
             ExportOptions exportOptions = new ExportOptions();
             exportOptions.setExportFormatType(ReportExportFormat.from_int(exportType.getId()));
             exportOptions.setFormatOptions(formatOptions);
And now CRExportType enum is defined as below with value changed from 2 to 6 for Excel.
    WORD("Word",1),
    EXCEL("Excel",6),   //_recordToMSExcel; _MSExcel=2 didn't work with error UnsupportedFormatException
    RTF("RTF", 3), //_RTF
    PDF("PDF", 5); //_PDF
After the change, it did work. So I'm still not clear why _MSExcel didn't work and what's the difference between _MSExcel(2) and _recordToMSExcel (6). But I'm good for now and thanks for your help.