The 'axlsx' gem (https://github.com/randym/axlsx) depends on rubyzip. After the bundle command the error require': cannot load such file -- zip/zip (LoadError) appeared by starting the rails server.
Possible solution: Add gem 'zip-zip' to your Gemfile and it works.
Posted by fl9 to NinjaConcept KB (2015-02-11 16:03)