backlogs/redmine_backlogs — pull request #512 by robsonpeixoto (2012-05-03 13:45:00+00:00)
Title: require 'rubygems' need came before 'json'

To solve this bug

# rake db:migrate RAILS_ENV=production
Please install RDoc 2.4.2+ to generate documentation.
rake aborted!
no such file to load -- json