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2169863 - Calling Cancel() without command throws AccessViolation - SDK for SAP ASE


  • Unhandled Exception: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
       at Sybase.Data.AseClient.Unmanaged.CancelCommand(IntPtr hCommand)
       at Sybase.Data.AseClient.AseCommand.Cancel()
       at TestRole.Program.Main(String[] args)



  • ASE 15.7+
  • SAP Sybase Software Developer Kit (SDK) 15.7 SP133
  • SAP Adaptive Server Enterprise (ASE) Software Developer Kit (SDK) 16.0
  • Adaptive Server Enterprise ADO.NET Data Provider
  • 3.5 Provider ( Sybase.AdoNet35.AseClient.dll )
  • 4.0 Provider ( Sybase.AdoNet4.AseClient.dll )
  • Microsoft Visul Studio  2012/2013
  • Winx64


SAP Adaptive Server Enterprise SDK 16.0 ; Sybase SDK 15.7 ; Sybase Software Developer Kit 15.7


KBA , BC-SYB-SDK , SDK , Problem

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