Re: Core Data: rare exception
Re: Core Data: rare exception
- Subject: Re: Core Data: rare exception
- From: Ricardo Strausz <email@hidden>
- Date: Mon, 8 Oct 2007 17:04:01 -0500
Thx Jim, but not too helpful...
I am not writing a single line of code, therefore if it is a bug, it
is a Core Data's bug... and I cannot fix it;
however, my impression is that it may have to be with the relations
in my model...
do I have to make some of them mandatory?
may be some deleting rule?
some not obvious attribute I have to set?
Thanks again,
Dino
On Oct 8, 2007, at 4:37 PM, Jim Correia wrote:
On Oct 8, 2007, at 5:26 PM, Ricardo Strausz wrote:
I am playing with a Core Data Document based app and found that,
while running and trying to add: an object, the following error
message appears in the console
2007-10-08 16:13:57.799 CDD_Curare[1945] *** -[NSCFDictionary
_isMaintainingInverse]: selector not recognized [self = 0x3367b0]
2007-10-08 16:13:57.800 CDD_Curare[1945] *** NSRunLoop ignoring
exception '*** -[NSCFDictionary _isMaintainingInverse]: selector
not recognized [self = 0x3367b0]' that raised during posting of
delayed perform with target 3b3150 and selector 'invokeWithTarget:'
Does anybody recognises this?
This is really a FAQ.
Whenever you see SomeClass: selector not recognized and the
selector in question is a) not something you sent directly and b)
recognizable as a selector for some other sort of object, a very
common cause of this is a memory management bug. What typically is
happening is that there used to be a instance ClassA at that
address, but it has gone away, and now there is an instance of
ClassB. Someone has a stale pointer to the object and is messaging it.
NSZombie is a good first step for tracking down the problem.
Jim
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