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"Could not merge data"-error on save in a single moc app

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"Could not merge data"-error on save in a single moc app

Subject: "Could not merge data"-error on save in a single moc app
From: Ruotger Skupin <email@hidden>
Date: Thu, 29 Oct 2009 12:57:56 +0100

Hi,

I get a "Could not merge changes"-error on save in a single moc app (*). The docs state this is a problem of a multi-moc setup:

http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/CoreData/Articles/cdTroubleshooting.html

The error does not appear on every system and seems to be related to when save is called. (race condition?) So far I only have users complaining that run Mac OS 10.6. I can rarely reproduce the error myself.

Any pointers where to look?

I use garbage collection.

regards
	Ruotger

(*) the context is handed out by a singleton method. I NSAssert() this method is only called by the main thread. <weirdGermanSayingTranslatedIntoEnglish> I have seen horses puke in front of a pharmacy </weirdGermanSayingTranslatedIntoEnglish> _______________________________________________

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