Moin, I got the same error on OSX for me helps:
config/initializers/paperclib.rb >> Paperclip.options[:command_path] = "/usr/local/bin" .. austin -- You received this message because you are subscribed to the Google Groups "Hobo Users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/hobousers?hl=en.
