It simply tells you, that if you have removed observation for an
instance of your class MYObservee somewhere in your code, so it can't
remove observation again. I would try remove observation for the
mentioned key path only, just to see if happens with that again.
That's what I read from the message.
Reinhard
Am 28.08.2009 um 15:56 schrieb Andreas Grosam:
I'm using key-value-observing where an instance of class MyObservee
has been registered for KVO with other objects which observe a value
in a key path (e.g.: @"drives.model.port"):
The observee itself unregisters all observers in its dealloc method:
@implementation MyObservee
- (void) dealloc
{
[self removeAllObservers]; // basicly: [self
removeObserver:observer forKeyPath:key];
[super dealloc];
}
The observers are sill alive when the observee receives its dealloc
message.
When the observed instance receives its dealloc message, I'm getting
this error message in the console, before the first line of code in
the dealloc method will be executed (note: BEFORE [super deallocate]
has been invoked):
2009-08-28 14:57:49.753 MyApp[886:20b] An instance 0xd21b60 of class
MyObservee is being deallocated while key value observers are still
registered with it. Observation info is being leaked, and may even
become mistakenly attached to some other object. Set a breakpoint on
NSKVODeallocateBreak to stop here in the debugger. Here's the
current observation info:
<NSKeyValueObservationInfo 0xd38e00> (
<NSKeyValueObservance 0xd39880: Observer: 0xd356e0, Key path:
drives.model.port, Options: <New: NO, Old: NO, Prior: NO> Context:
0x16df0, Property: 0xd38990>
...
The class MyObservee does NOT have a sub class - that is, [super
dealloc] will not be called somewhere prematurely.
The base class of MyObservee is NSObject.
Am I doing something wrong here?
Thanks in advance for hints.
Regards
Andreas Grosam
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