I try to save the data, then I am sometimes present with a
dialog saying:
"The document Untitled could not be saved as pktest.. Cannot save
objects with references outside of their own stores."
Dirkjan,
How many persistent stores have you added to the
NSPersistentStoreCoordinator ? That's
NSManagedObjectExternalRelationshipError. Core Data does not support
direct relationships between objects being stored in different files
(persistent stores). The iClass example in /Developer/Examples/
CoreData/ shows how you can perform an indirect style of ad hoc cross
store relationships by serializing the -URIRepesentation of an
NSManagedObjectID.
Also, I keep these and other similar breakpoints handy in my
~/.gdbinit file:
future-break objc_exception_throw
future-break +[NSError errorWithDomain:code:userInfo:]
future-break handleFailureInMethod:object:file:lineNumber:description:
future-break handleFailureInFunction:file:lineNumber:description:
future-break malloc_printf
future-break malloc_error_break
- Ben
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