Re: Intermittent crashes in updateTrackingArea from delegate

On Jan 29, 2010, at 14:21, Jack Nutting wrote:

> On Fri, Jan 29, 2010 at 2:01 PM, Christiaan Hofman <[email protected]> wrote:
>> The crasher takes place in the -respondsToSelector: line, which is called from -updateTrackingAreas. It's the usual and useless EXC_BAD_ACCESS. It seems that the delegate is not valid, I get it when I call anything on the delegate, for instance when I replace the whole rebuildTrackingAreas implementation with something like NSLog(@"%@", [self delegate]);. However, the debugger does not say the _delegate is out of scope, though it only gives an "isa" in its outline.
> 
> 
> Seems like your delegate object has been released.  Have you tried
> running with NSZombieEnabled?
> 
>  http://www.cocoadev.com/index.pl?NSZombieEnabled
> 
> -- 
> // jack
> // http://www.nuthole.com
> 

Apparently you were right, with NSZombieEnabled I get a useful log. Thanks a lot! I still find it strange though that this does not lead to serious problems elsewhere. Anyway, I will be safe now and set the delegates and datasources to nil in dealloc.

Christiaan