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Editorial Team
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Asked: 2026-05-30T06:13:34+00:00

I am using WSDL2OBJC for an OS X project. Part of the code generated

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I am using WSDL2OBJC for an OS X project. Part of the code generated by WSDL2OBJC adds a category to NSNumber. While I’m using the code I attempt to call the new method on an NSNumber and get an error:

+[NSCFNumber xmlNodeForDoc:elementName:]: unrecognized selector sent to class 0x7fff70b6b8c8

I’ve read that NSNumber is a class cluster and has private classes and that NSCFNumber is the class for ints. How can I get this to work? I can’t add the category to NSCFNumber since it is a private class. This same code works for an iPhone project that I have.

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1 Answer

  1. Editorial Team

    I got this working. It looks like the issue was a memory problem. I was passing the NSNumber to an [NSInvocation setArgument: atIndex:]. It worked in the iPhone app because I was creating a variable and passing it by reference. I believe it wasn’t working for me because I removed creating a separate var and just did [NSNumber numberWithInt:].

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