On 9/3/20 12:15 PM, Markus Spoettl via Cocoa-dev wrote:
On macOS 11 this produces the following exception:
------------------------------
-[NSKeyedUnarchiver _validateDecodeCollectionAllowedClassesRequirementsWithClasses:]: This
method only supports decoding non-nested collections. Please remove the following or use
'-decodeObjectOfClasses: forKey:' instead:
(
NSDictionary (0x7fff88714520)
[/System/Library/Frameworks/CoreFoundation.framework]
)
------------------------------
It Was All Our Fault (tm), surprisingly :)
Turns out we have an NSCoder extension that helps with secure coding and
declares
- (NSArray *)decodeArrayOfObjectsOfClasses:(NSSet <Class> *)classes
forKey:(NSString *)key
Apple must have seen it because the exact same method is not in NSCoder directly.
Apparently the collision wasn't resolved to call the new instance method, but something
else (probably -decodeObjectForKey:).
Changing the extension's method name(s) to something more unique fixed the
problem.
Regards
Markus
--
__________________________________________
Markus Spoettl
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