init methods are instance methods.
You are trying to call a class method. there are no init methods in classes.

        atze

Am 27.09.2010 um 02:51 schrieb Jerry Krinock:

> Yes, but to make a long story short, I was stymied by the rocket science of 
> class clusters and abstract classes.  The error says that 
> +initWithObjects:count: was sent to NSCFArray.  So first I reverse-engineered 
> from savannah.gnu.org what are the argument types.  They are id* (a C array 
> of ids), and an unsigned int.  Then I constructed an invocation using the 
> NSClassFromString(), @selector(), etc.  But upon invoking, the system told me 
> that +initWithObjects:count: is not implemented the *abstract* class 
> NSCFArray.  I don't know what the concrete subclass is :(
> 
> Another thing I tried was to replace the method +[NSCFArray 
> initWithObjects:count:] using Method Replacement.  But it was never invoked, 
> probably for the same reason, although interestingly -[NSCFArray 
> objectAtIndex:] is invoked with great frequency.

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