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VFPA/VFP source code or other way to fix C5 exception
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28/11/2020 11:19:07
 
 
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Forum:
Visual FoxPro
Catégorie:
Produits tierce partie
Titre:
VFPA/VFP source code or other way to fix C5 exception
Divers
Thread ID:
01677317
Message ID:
01677317
Vues:
111
Hi!

I'm using VFP with psqlODBC driver. It causes periodically C0000005 errors if number of reports are previeved using REPORT PREVIEW command in old, non object oriented mode.

Stack trace in VFP9err.log file points to READ EVENTS command:
Fatal error: Exception code=C0000005 @ 18.11.2020 22:41:28. Error log file: C:\myapp\algus\VFP9Rerr.log
	Called from -  vkontkst line 0  { vkontkst.fxp}
	Called from -  truusbaa line 0  { truusbaa.fxp}
	Called from -  ON...  line 0  { }
	Called from -  read_events line 0  { c:\myapp\algus\alguss.exe}
	Called from -  alguss line 0  { c:\myapp\algus\alguss.exe}
* http://support.microsoft.com/support/kb/articles/Q143/2/84.asp
* The READ EVENTS is placed alone in a separate procedure because this is 
* the only way to reliably determine the line of code currently executing. 
* MESSAGE(1) will not return the line of code within an .exe file or show 
* whether the source code is present or accessible when the program is run. 
PROCEDURE Read_Events
READ EVENTS
ENDPROC
After the error Visual Studio debugger is opened (if installed) and points to machine instruction in memory which probably tries to access address out of address space.

Where to find VFPA or VFP source code for debugging ?
Can we try again to force Microsoft to open VFP source code.
Or is there other idea how to research and fix this error.
Andrus
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