Re: [Rubycocoa-talk] undefined method `%' for nil class

[Jonathan P. <jp...@dc...>]

On 22 Nov 2005, at 18:06, Dave Baldwin wrote:

> I occasionally get this error:
>
> /Library/Frameworks/RubyCocoa.framework/Versions/A/Resources/ruby/ 
> osx/objc/oc_wrapper.rb:80:in `NSApplicationMain': NSApplicationMain  
> - RBException_NoMethodError - undefined method `%' for nil:NilClass  
> (OSX::OCException)
> 	from /Users/dave/Chips/DES/mediaUI/build/Development/tui.app/ 
> Contents/Resources/rb_main.rb:22
>
> I haven't been able to reproduce it reliably but if you look in the  
> line in question it should be impossible to get this error as far  
> as I can see:
>
>
> 79:	m_args.each_with_index do |val, index|
> 80:	   if (index % 2) == 0 then                             <<<<  
> error on this line
> 81:	       args.push(val)
> 82:	   else
> 83:	       mname += "_#{val.to_s}"
> 84:	    end
> 85:	end

That is indeed strange. Perhaps you could add some code in at line 80  
that explicitly checks if index is nil, and if so dumps contents of  
m_args and val?

Also, if possible, try with ruby 1.8.2. Perhaps it's something  
introduced in 1.8.3 that's triggering the problem.

Cheers
Jonathan