Re: Changes in CoreData/10.4.3?
Re: Changes in CoreData/10.4.3?
- Subject: Re: Changes in CoreData/10.4.3?
- From: Jesse Grosjean <email@hidden>
- Date: Wed, 2 Nov 2005 08:29:22 -0500
If you notice what appears to be a regression with the new release,
*please file a bug* (<http://bugreport.apple.com/>), *sooner rather
than later*. If you can include a simple, reproducible, test case,
that will help the engineers diagnose and then fix the problem.
It's likely to be something that I'm doing wrong, so I'll post here
first, and will post to bug-reporter if it really is a bug. I've
posted an example project here:
http://www.hogbaysoftware.com/CoreDataTest.zip
It's a little hard to determine if this example is reproducing the
same problem that is now occurring in my application, but they seem
similar. To reproduce the problem run the application and then close
the first open document. You should see an error like this:
2005-11-02 08:04:18.446 CoreDataTest[13789] *** -[NSAutoreleasePool
dealloc]: Exception ignored while releasing an object in an
autorelease pool: The NSManagedObject with ID:0x34b840 <x-coredata:///
Note/t8F491A16-3DD2-481E-BD41-4144B80C4659> has been invalidated.
I don't think this was happening on 10.4.2, though I can't be sure
since I no longer have that version. The cause of the problem is this
line:
[textField bind:@"value" toObject:[[self document] note]
withKeyPath:@"noteData.title" options:nil];
The model looks like this:
NoteEntity > to one relationship > NoteDataEntity. And the
NoteDataEntity has a title string attribute.
It seems that the textField isn't being released (and unbinding it's
value) until after the entities in the managed object context have
been invalidated.
Jesse
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