Re: notAKeyMarker crash
Re: notAKeyMarker crash
- Subject: Re: notAKeyMarker crash
- From: Mike Abdullah <email@hidden>
- Date: Tue, 06 Mar 2012 00:42:30 +0000
-[OAApplication beginSheet:modalForWindow:modalDelegate:didEndSelector:contextInfo:]
That's definitely not part of Cocoa! You have the source. Dig in to find the problem.
On 5 Mar 2012, at 15:15, Gideon King wrote:
> Hi, I am getting occasional reports of an exception from users of my software, but they are not able to reproduce it, and nor am I.
>
> I have a sheet which has an NSCollectionView on it and a couple of buttons and a slider. The NIB also instantiates an array controller which is used as the content for the collection view.
>
> This is the exception I get:
>
> *** NSMapInsertKnownAbsent(): attempt to insert notAKeyMarker
>
> 0 CoreFoundation 0x00007fff896a9fc6 __exceptionPreprocess + 198
> 1 libobjc.A.dylib 0x00007fff855ced5e objc_exception_throw + 43
> 2 CoreFoundation 0x00007fff896a9dfa +[NSException raise:format:arguments:] + 106
> 3 CoreFoundation 0x00007fff896a9d84 +[NSException raise:format:] + 116
> 4 Foundation 0x00007fff890f67bc -[NSClassicMapTable setItem:forKnownAbsentKey:] + 74
> 5 OmniAppKit 0x000000010051f008 -[OAApplication beginSheet:modalForWindow:modalDelegate:didEndSelector:contextInfo:] + 184
>
> I do not instantiate an NSClassicMapTable explicitly in my code, but am assuming that either the array controller or the collection view uses such things.
>
> I have never been able to reproduce the problem myself, either in a test environment or anywhere else either on 10/6 or 10.7 (users have reported it on both operating system versions).
>
> If anyone has any suggestions as to where to look for this, I'd be very grateful.
>
>
> Regards
>
> Gideon
>
>
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>
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>
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