Unable to open Core Data documents
Unable to open Core Data documents
- Subject: Unable to open Core Data documents
- From: Niko Matsakis <email@hidden>
- Date: Mon, 2 Nov 2009 09:59:28 +0100
Hello,
I recently recompiled an existing project for 10.6. I made no changes
to the code. However, the resulting binary is no longer able to open
older files created by this program. The error message is:
The document “Budget.drachma” could not be opened. drachma cannot
open files of this type.
The program "drachma" is a simple budget tracker I use to track
household expenses. It uses Core Data as its storage format, and I
believe the files are stored in SQLite. As far as I know, I did not
make any changes to the model, and the file I am trying to open was
created from the same code, but compiled and running on 10.5.
I seem to recall having a similar problem when upgrading to 10.5: at
the time, I think I linked with 10.4 libraries to solve it. Doing the
same now, however, does not seem to work. I am not sure why it should
be necessary anyhow: other programs I have which use Core Data seem to
be able to open the older files.
I'm not really sure what other information to provide, but any tips to
how I might fix this problem would be much appreciate!
Not that I expect anyone to go this far out of their way, but the
project is available here:
http://svn.smallcultfollowing.com/main/drachma/src/
I could probably gin up a "sanitized" input file with the same problem.
thanks,
Niko_______________________________________________
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