Core Data store corruption

Posted by sehugg on Stack Overflow See other posts from Stack Overflow or by sehugg
Published on 2010-04-30T01:12:28Z Indexed on 2010/04/30 1:17 UTC
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iphone

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core-data

A handful of customers for my iPhone app are experiencing Core Data store corruption (I assume so, since the error is "Failed to save to data store: Operation could not be completed. (Cocoa error 259.)")

Has anyone else experienced this kind of store corruption? I am worried since I aim to soon push an update which performs a schema migration, and I am worried that this will expose even more problems.

I had assumed that the Core Data/SQLlite APIs use atomic operations and are immune to corruption except if the underlying filesystem experiences corruption.

Is there a way to reduce/prevent corruption, or at least a good way to reproduce (I have been unsuccessful thus far).

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