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Re: My objectcontroller is loosing its moc, but only with certain timing
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Re: My objectcontroller is loosing its moc, but only with certain timing


  • Subject: Re: My objectcontroller is loosing its moc, but only with certain timing
  • From: "Sean McBride" <email@hidden>
  • Date: Fri, 23 Jan 2009 11:22:51 -0500
  • Organization: Rogue Research Inc.

On 1/22/09 3:00 PM, Ben Trumbull said:

>> This happens when I close a window in my app, but only if I close it
>> _very_ soon after it is opened.  If I leave the window open for a few
>> 100 ms then there is no problem.  My app is garbage collected.  The
>> exception is happening after windowWillClose.
>>
>> The culprit seems to be an NSObjectController in the nib.  At this
>> point, nothing in my nib nor code even uses this objectController.  I
>> can stop the exception by doing one of two things:
>>
>> a) remove it's binding to my document's moc.  Instead, I call
>> [myController setManagedObjectContext:...] in awakeFromNib.
>>
>> b) change the 'prepares content' checkbox from on to off and instead
>> call [myController fetchWithRequest:nil merge:NO error:&error] in
>> windowDidLoad.
>>
>> Anyone understand what's happening?  Does it sound like a Cocoa bug?
>
>That's pretty weird, and yes it sounds like a bug in NSObjectController.
>
>If you can make a sample Xcode project that reproduces the problem and
>attach it to a bugreport.apple.com bug that would be very helpful.

It repros surprisingly easily in a simple app:
<rdar://6520501>

--
____________________________________________________________
Sean McBride, B. Eng                 email@hidden
Rogue Research                        www.rogue-research.com
Mac Software Developer              Montréal, Québec, Canada


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 >re:My objectcontroller is loosing its moc, but only with certain timing (From: Ben Trumbull <email@hidden>)

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