SAP Knowledge Base Article - Preview

1892901 - Unexpected error when multiple threads access the same Crystal Report with ExportToStream method

Symptom

  • When multiple processes or threads accessing the ExportToStream method to export the same report to other formats at the same time, two kinds of errors are observed:
    • Error 1: Error in File XXX{XXX}.rpt: Disk full.
    • Error 2: The process cannot access the file because it is being used by another process. 
  • Error 1 only happens when using ExportToStream to generate PDF format files. 
  • Error 2, it is observed for all other export file types
  • code used:

 

ExportToStream(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat)


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Environment

  • SAP Crystal Reports, developer version for Microsoft Visual Studio
  • Microsoft Visual Studio

Product

SAP Crystal Reports, developer version for Microsoft Visual Studio

Keywords

CR.NET, C#, VB, Visual Studio, VS, 2008, 2010, ADAPT, 1666871, 01666871, Export, Save, multi, simultaneous, parallel , KBA , BI-DEV-NET-SDK , .NET SDK / COM SDK , Problem

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