Loading of optimized Core Data (*.omo) model fails on iOS 11 Beta

Originator:bloi
Number:rdar://33212613 Date Originated:10-Jul-2017 04:42 PM
Status:Open Resolved:
Product:iOS + SDK Product Version:iOS 11 Beta
Classification:Serious Bug Reproducible:Always
 
Summary:
Trying to load an optimized Core Data model (*.omo) fails on iOS 11 Beta. 

Steps to Reproduce:
1. Open the attached example in Xcode 8
2. Build
3. Run the app on an device with iOS 11 Beta
4. Creation of NSManagedObjectModel(contentsOf:) fails

Expected Results:
The optimized model is successfully loaded. This works properly on iOS 10.

Actual Results:
Loading of the *.omo fails:
CoreData: annotation:  Failed to load optimized model at path '/var/containers/Bundle/Application/9FED382D-B0DB-47D1-A6C8-B92928AA2187/LoadOmo.app/LoadOmo.momd/LoadOmo.omo'

Version:
iOS 11 Beta

Notes:
As a workaround the unoptimized data model (*.mom) can be loaded.

Comments

Sample

https://github.com/fonkadelic/radar.apple.com/tree/master/33212613%20-%20Loading%20of%20optimized%20Core%20Data%20(*.omo)%20model%20fails%20on%20iOS%2011%20Beta/LoadOmo

By bloi at July 10, 2017, 2:58 p.m. (reply...)

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