On Mar 19, 2010, at 21:04, Richard Somers wrote:
> When moving a slider in a preference panel I sometimes get an error.
>
> 2010-03-19 01:46:49.860 MyApp[4249:10b] Error setting value for key path
> values.ABRadius of object <NSUserDefaultsController: 0x169c00>[applies
> immediately: YES] (from bound object <NSSlider: 0x6707de0> with object ID 59
> in Nib named ABPreferencePanel.nib): [<NSCFType 0x168ec0>
> valueForUndefinedKey:]: this class is not key value coding-compliant for the
> key radius.
>
> 2010-03-19 16:55:16.415 MyApp[5710:10b] Error setting value for key path
> values.ABRadius of object <NSUserDefaultsController: 0x1696e0>[applies
> immediately: YES] (from bound object <NSSlider: 0x622f790> with object ID 59
> in Nib named ABPreferencePanel.nib): [<NSKeyValueSlowSetter 0x168970>
> valueForUndefinedKey:]: this class is not key value coding-compliant for the
> key radius.
Note:
"sometimes get an error"
[<NSCFType 0x168ec0> valueForUndefinedKey:]
[<NSKeyValueSlowSetter 0x168970> valueForUndefinedKey:]
So you're getting an exception (thrown in valueForUndefinedKey:) from objects
of various strange classes, and it only happens some of the time.
This pattern is very characteristic of a memory management bug in your
application. That's what I'd start looking for.
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