Hey Mike. No assertions have ever been fired, which I thought was weird a bit as well. BTW, this is on iOS, not Mac OS X if that makes any difference.
-Laurent. -- Laurent Daudelin AIM/iChat/Skype:LaurentDaudelin http://www.nemesys-soft.com/ Logiciels Nemesys Software laur...@nemesys-soft.com On Feb 16, 2013, at 02:00, Mike Abdullah <cocoa...@mikeabdullah.net> wrote: > > On 16 Feb 2013, at 00:37, Laurent Daudelin <laur...@nemesys-soft.com> wrote: > >> I got a few crash reports from users that have a problem with my CoreData >> app. >> >> Given the following code: >> >> /* >> Returns the persistent store coordinator for the application. >> If the coordinator doesn't already exist, it is created and the >> application's store added to it. >> */ >> - (NSPersistentStoreCoordinator *)persistentStoreCoordinator >> { >> if (_persistentStoreCoordinator == nil) { >> NSURL *storeUrl = [NSURL fileURLWithPath:self.persistentStorePath]; >> _persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] >> initWithManagedObjectModel:[NSManagedObjectModel >> mergedModelFromBundles:nil]]; >> NSError *error = nil; >> NSPersistentStore *persistentStore = [_persistentStoreCoordinator >> addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl >> options:nil error:&error]; >> NSAssert3(persistentStore != nil, @"%s at %d: Unhandled error adding >> persistent store: %@", __FUNCTION__, __LINE__, [error localizedDescription]); >> NSLog(@"Created persistent store '%@' at URL %@", >> persistentStore, storeUrl); >> } >> return _persistentStoreCoordinator; >> } >> >> When the MOC tries to perform a save, an exception is generated: >> >> Exception reason >> >> This NSPersistentStoreCoordinator has no persistent stores. It cannot >> perform a save operation. >> >> Stacktrace >> >> PRIMARY THREAD THREAD 0 >> >> • 0 CoreFoundation 0x356212a3 __exceptionPreprocess + 163 >> • 1 libobjc.A.dylib 0x3393197f objc_exception_throw + 31 >> • 2 CoreData 0x36f2dfef -[NSPersistentStoreCoordinator >> executeRequest:withContext:error:] + 299 >> • 3 CoreData 0x36f862d3 -[NSManagedObjectContext save:] + 731 >> >> How can the persistent store not being existing? > > Well you whacked in some assertions that failures never happen (generally a > bad idea for disk access. It *is* going to fail sometime). Have those > assertions fired? > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
