The Ubiquity Container becomes Unusable

Originator:mb
Number:rdar://10270787 Date Originated:
Status:Closed Resolved:
Product: Product Version:
Classification: Reproducible:
 
11-Oct-2011 11:25 PM Matt Bischoff:
'iPhoneCoreDataRecipes.zip' was successfully uploaded

11-Oct-2011 11:25 PM Matt Bischoff:
Summary:

Occasionally, a core data ubiquity container with a persistent store will become unusable and any attempts to connect to it in the future will fail.

Steps to Reproduce:

1. Install iPhoneCoreDataRecipes on multiple devices.
2. Make many simultaneous edits which may cause merge conflicts.
3. Continue doing so until all saves fail on at least one device.

Expected Results:

Step 3 will never occur.

Actual Results:

Step 3 occurs frequently, causing the path to become unusable.

Notes:
https://devforums.apple.com/message/554294#554294

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