Hello
I think I've stumbled on a rare Core Data exception. I'm working with
two threads, each with its own context, but shared coordinator.
When I try to save the data generated in the background thread, I
occasionally get the exception.
It's also very difficult to debug, since I can't reproduce it reliably.
*** -_referenceData64 only defined for abstract class. Define -
[NSTemporaryObjectID_default _referenceData64]!
*** Terminating app due to uncaught exception
'NSInvalidArgumentException', reason: \
'*** -_referenceData64 only defined for abstract class. Define -
[NSTemporaryObjectID_default _referenceData64]!'
Thread 1 Thread 2
- create Object
- save
- load the object into the context
using the ObjectID
- generate data hanging off the object
- save <-- Exception happens here
- refresh object
regards
stefan mueller
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