Ruby On Rails: NameError: uninitialized constant Timezone::Configure

ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin15]

rails 4.2

rake, version 10.4.2

I am taking over a project from another developer. I was able to checkout the code from Github and I was able to run "bundle install". But then I do:

  bundle exec rake db:setup
  rake aborted!
  NameError: uninitialized constant Timezone::Configure

This seems to reference something in:


That file looks like:

  # Pick the frameworks you want:
  require "active_model/railtie"
  require "active_job/railtie"
  # require "active_record/railtie"
  require "action_controller/railtie"
  require "action_mailer/railtie"
  require "action_view/railtie"
  require "sprockets/railtie"
  require "rails/test_unit/railtie"

  # Require the gems listed in Gemfile, including any gems
  # you've limited to :test, :development, or :production.

  module Invtr
    class Application < Rails::Application
      Timezone::Configure.begin do |c|
        c.username = 'AIzaSyAtf'
        c.google_api_key = 'AIzaSyAtf'

      # Settings in config/environments/* take precedence over those specified here.
      # Application configuration should go into files in config/initializers
      # -- all .rb files in that directory are automatically loaded.

      # Set default to the specified zone and make Active Record auto-convert to this zone.
      # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
      # config.time_zone = 'Central Time (US & Canada)'

      # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
      # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
      # config.i18n.default_locale = :de

I have been told that this was working for the previous developer, so I have to assume the problem is with something with my setup. But what else do I need to do? Why is the correct gem not being loaded?

The previous developer had put this line in the Gemfile:

  gem 'timezone'

And I see:


So the gem is there.

But somehow it is not being loaded in application.rb.

My Gemfile:

  source ''

  gem 'rails', '4.2.0'
  gem 'sass-rails', '~> 5.0'
  gem 'uglifier', '>= 1.3.0'
  gem 'coffee-rails', '~> 4.1.0'
  gem 'jquery-rails'
  gem 'turbolinks'
  gem 'jbuilder', '~> 2.0'
  gem 'sdoc', '~> 0.4.0', group: :doc
  gem 'bcrypt', '~> 3.1.7'
  gem 'oauth2'
  gem 'faraday'
  gem 'signet'
  gem 'unicorn'
  gem 'icalendar'
  gem 'quiet_assets', '~> 1.1'
  gem 'mongoid', '~> 5.0.0'
  gem 'bson_ext'
  gem 'devise'
  gem 'pry-rails'
  gem 'capybara'
  gem 'selenium-webdriver'
  gem 'simple_form'
  gem 'foundation-rails'
  gem 'dotenv-rails', :groups => [:development, :test]

  gem "mongoid-paperclip", :require => "mongoid_paperclip"
  gem 'aws-sdk', '~> 1.3.4'

  # CircleCI test metadata formatters
  gem 'rspec_junit_formatter', '0.2.2'
  gem 'rails_12factor', group: :production
  gem 'geocoder'
  gem 'timezone'
  gem "httpclient"

  group :development do
    # gem "letter_opener"

  group :development, :test do
    gem 'byebug'
    gem 'web-console', '~> 2.0'
    gem 'spring'
    gem 'rspec-rails'
    gem 'factory_girl_rails'
    gem 'database_cleaner'
    gem 'faker'

  group :test do
    gem 'shoulda-matchers'


It depends on the version of the timezone gem you are using. Since version 1.0.0, you have to make these changes: in config/application.rb file instead of using:


for configuration with Geonames you should use:


and for google:


Also update your Gemfile:

change gem 'timezone' to gem 'timezone', '~> 1.0'

So your code would look like:

Timezone::Lookup.config(:geonames) do |c|
    c.username = 'AIzaSyAtf'


Timezone::Lookup.config(:google) do |c|
    c.api_key = 'AIzaSyAtf'


Add require "timezone" to the file.

Need Your Help

Hibernate Validate Object inside ConstraintValidator with Spring boot

java spring hibernate spring-boot hibernate-validator

I create one field-level-constraint just like this example and put then in my field that is an

To increase a button's size when it is pressed in Android

android button size pressed

How can I make my button's size to increase slightly when it is pressed and decrease again when it is released? This is for highlighting the pressed button, by using size in addition to a different...