Thanks to all who answered. It was a simple boneheaded maneuver:
Failing to call [super init] in the initialization method of my derived class.
DUH. Works fine now!
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On Jan 14, 2012, at 1:25 PM, G S wrote:
> Thanks, Mike.
>
> There's nothing in the console. The whole call stack at the time of
> the crash is this (when I create the operation on the main thread):
>
> #0 0x00396336 in -[NSOperation observationInfo] ()
> #1 0x0036823a in _NSKeyValueRetainedObs
Thanks, Mike.
There's nothing in the console. The whole call stack at the time of
the crash is this (when I create the operation on the main thread):
#0 0x00396336 in -[NSOperation observationInfo] ()
#1 0x0036823a in _NSKeyValueRetainedObservationInfoForObject ()
#2 0x00379c98 in -[NSObject(NSK
Your code snippet got mangled making it very hard for me to read. Please can we
have a full backtrace for the crash. Is there anything interesting in the
console? Have you tried running with zombies enabled?
On 14 Jan 2012, at 07:30, G S wrote:
> Hi all. Working on an iPhone app and encountere
Hi all. Working on an iPhone app and encountered a stumper.
I have various kinds of operations (derived from NSOperation) to do async
queries over the Internet. As is the norm, I determine when they're
finished by observing their isFinished property, and getting the results in
observeValueForKeyP
