Crystal Report 11 Problem

This Exception is thrown Randomly.We are using Crystal Report 11 and Asp.Net 1.1.Thanks in Advance for the Help.

2006-07-21 09:21:51,283 [2136] - STACK TRACE :    at System.Runtime.InteropServices.Marshal.StructureToPtr(Object structure, IntPtr ptr, Boolean fDeleteOld)

   at CrystalDecisions.ReportAppServer.DataSetConversion.DataSetConverter.Wrap(DataSet dataset, CrdbAdoPlusDelegate& adoPlusDelegate)

   at CrystalDecisions.CrystalReports.Engine.Table.SetDataSource(Object val)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.(Object |)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(Object dataSet)

   at CQDS.LoanApplication.SetSubReportDataSource(Application objCQApp)

Exception: System.NullReferenceException

Message: Object reference not set to an instance of an object.

Source: mscorlib

   at System.Runtime.InteropServices.Marshal.StructureToPtr(Object structure, IntPtr ptr, Boolean fDeleteOld)

   at CrystalDecisions.ReportAppServer.DataSetConversion.DataSetConverter.Wrap(DataSet dataset, CrdbAdoPlusDelegate& adoPlusDelegate)

   at CrystalDecisions.CrystalReports.Engine.Table.SetDataSource(Object val)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.(Object |)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(Object dataSet)

   at CQDS.LoanApplication.SetSubReportDataSource(Application objCQApp)

 

2006-07-21 09:21:51,471 [2136] - STACK TRACE :    at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e)

   at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.Export(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.ExportToDisk(ExportFormatType formatType, String fileName)

   at CQDS.LoanApplication.GenerateReport()

Exception: CrystalDecisions.CrystalReports.Engine.LogOnException

Message: Logon failed.

Details: Object reference not set to an instance of an object.

Error in File C:\WINDOWS\TEMP\{CA85AC32-4D4F-4C80-8DA5-141A0414D421}.rpt:

Unable to connect: incorrect log on parameters.

Source: CrystalDecisions.ReportAppServer.DataSetConversion

   at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e)

   at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.Export(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.ExportToDisk(ExportFormatType formatType, String fileName)

   at CQDS.LoanApplication.GenerateReport()

 

Nested Exception

 

Exception: System.Runtime.InteropServices.COMException

Message: Logon failed.

Details: Object reference not set to an instance of an object.

Error in File C:\WINDOWS\TEMP\{CA85AC32-4D4F-4C80-8DA5-141A0414D421}.rpt:

Unable to connect: incorrect log on parameters.

   at CrystalDecisions.ReportAppServer.Controllers.ReportSourceClass.Export(ExportOptions pExportOptions, RequestContext pRequestContext)

   at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)
2006-07-21 09:21:51,283 [2136] ERROR  STACK TRACE :    at System.Runtime.InteropServices.Marshal.StructureToPtr(Object structure, IntPtr ptr, Boolean fDeleteOld)

   at CrystalDecisions.ReportAppServer.DataSetConversion.DataSetConverter.Wrap(DataSet dataset, CrdbAdoPlusDelegate& adoPlusDelegate)

   at CrystalDecisions.CrystalReports.Engine.Table.SetDataSource(Object val)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.(Object |)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(Object dataSet)

   at CQDS.LoanApplication.SetSubReportDataSource(Application objCQApp)

Exception: System.NullReferenceException

Message: Object reference not set to an instance of an object.

Source: mscorlib

   at System.Runtime.InteropServices.Marshal.StructureToPtr(Object structure, IntPtr ptr, Boolean fDeleteOld)

   at CrystalDecisions.ReportAppServer.DataSetConversion.DataSetConverter.Wrap(DataSet dataset, CrdbAdoPlusDelegate& adoPlusDelegate)

   at CrystalDecisions.CrystalReports.Engine.Table.SetDataSource(Object val)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.(Object |)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(Object dataSet)

   at CQDS.LoanApplication.SetSubReportDataSource(Application objCQApp)

 

2006-07-21 09:21:51,471 [2136] ERROR  - STACK TRACE :    at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e)

   at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.Export(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.ExportToDisk(ExportFormatType formatType, String fileName)

   at CQDS.LoanApplication.GenerateReport()

Exception: CrystalDecisions.CrystalReports.Engine.LogOnException

Message: Logon failed.

Details: Object reference not set to an instance of an object.

Error in File C:\WINDOWS\TEMP\{CA85AC32-4D4F-4C80-8DA5-141A0414D421}.rpt:

Unable to connect: incorrect log on parameters.

Source: CrystalDecisions.ReportAppServer.DataSetConversion

   at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e)

   at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.ExportToStream(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.FormatEngine.Export(ExportRequestContext reqContext)

   at CrystalDecisions.CrystalReports.Engine.ReportDocument.ExportToDisk(ExportFormatType formatType, String fileName)

   at CQDS.LoanApplication.GenerateReport()

 

Nested Exception

 

Exception: System.Runtime.InteropServices.COMException

Message: Logon failed.

Details: Object reference not set to an instance of an object.

Error in File C:\WINDOWS\TEMP\{CA85AC32-4D4F-4C80-8DA5-141A0414D421}.rpt:

Unable to connect: incorrect log on parameters.

   at CrystalDecisions.ReportAppServer.Controllers.ReportSourceClass.Export(ExportOptions pExportOptions, RequestContext pRequestContext)

   at CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)
LVL 7
sukumar_diyaAsked:
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Swapnil PipariaConnect With a Mentor ArchitectCommented:
Hi sukumar_diya,
following article will help you to solve your problem
http://aspalliance.com/532
http://aspalliance.com/490

Regards,
NetSwap
0
 
sukumar_diyaAuthor Commented:
Thanks Netswap,
I will look into that and let you know whether it works for me or not ...

Suku
0
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