Just to clarify, the moc exists, but the reference to it is nil? Or has the moc, itself, been deallocated?
> On Mar 27, 2019, at 3:40 PM, Rick Mann <rm...@latencyzero.com> wrote: > > This is proving very hard to diagnose, as it doesn't always happen. I tried > observing -managedObjectContext, but it never gets called with a nil value. > Moreover, my entity's -dealloc method is sometimes called even though none of > the -awake methods gets called. This is a complex app with a lot of async > operation, so this entity gets created and destroyed often, making it that > much harder to figure out exactly what's going on. > > I can bulletproof the place where the crash occurs when the moc is nil, but > I'd really like to track down the underlying problem. > >> On Mar 27, 2019, at 12:17 , Mike Abdullah <mabdul...@karelia.com> wrote: >> >> Given the number of objects Core Data is designed to juggle, managing that >> number of weak references might well affect performance. Besides, wouldn’t >> you still the same result, that your object has a nil reference to the >> context because the context has been deallocated? >> >> Furthermore, I think you can also observe this affect on deleted objects >> once the context has been saved, if you’re still holding a reference to any >> such objects. >> >> Mike. >> >> Sent from my iPhone >> >>> On 26 Mar 2019, at 21:57, Rick Mann <rm...@latencyzero.com> wrote: >>> >>> The implication there is that an object has a weak reference to the MOC? >>> Ah, in the header I see it's `assign`. I wonder why they do that and not >>> `weak`. >>> >>> Thanks, I'll look into it. >>> >>>> On Mar 26, 2019, at 14:50 , Richard Charles <rcharles...@gmail.com> wrote: >>>> >>>> You have retained the managed object outside the managed object context. >>>> >>>> --Richard Charles >>>> >>>> >>>>> On Mar 26, 2019, at 1:04 PM, Rick Mann <rm...@latencyzero.com> wrote: >>>>> >>>>> I'm seeing a situation where my NSManagedObject's managedObjectContext is >>>>> nil. It doesn't happen all the time though. Any idea why? Thanks! >>>>> >>>>> -- >>>>> Rick Mann >>>>> rm...@latencyzero.com >>>> >>> >>> >>> -- >>> Rick Mann >>> rm...@latencyzero.com >>> > > > -- > Rick Mann > rm...@latencyzero.com <mailto:rm...@latencyzero.com> _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
