I have an error when using pow, but it works perfectly with rails s. Here is the results of the same code on Heroku: www.contakapp.com
I believe the chunky_png-1.2.8 is from the foundation gem or some related issue. So I am also providing my whole gem file:
source 'https://rubygems.org'
ruby '1.9.3'
gem 'rails', '4.0.0'
#views
gem 'jquery-rails' , '~> 2.2.1'
gem 'haml-rails' , '~> 0.4'
#auth
gem 'omniauth-facebook' , '~> 1.4.0'
gem 'omniauth-linkedin' , '~> 0.1.0'
#API
gem 'twitter' , '~> 4.8.1'
gem 'rest-client' , '~> 1.6.7'
# models
gem 'pg'
gem 'coffee-rails'
gem 'uglifier'
gem "font-awesome-rails"
gem 'sass-rails'
gem "compass-rails", github: "milgner/compass-rails", ref: "1749c06f15dc4b058427e7969810457213647fb8"
gem "zurb-foundation", "~> 4.3.0"
group :development, :test do
end
group :development do
end
group :production, :staging do
gem 'rails_12factor'
end
gemfile.lock
GIT
remote: git://github.com/milgner/compass-rails.git
revision: 1749c06f15dc4b058427e7969810457213647fb8
ref: 1749c06f15dc4b058427e7969810457213647fb8
specs:
compass-rails (1.0.3)
compass (>= 0.12.2, < 0.14)
GEM
remote: https://rubygems.org/
specs:
actionmailer (4.0.0)
actionpack (= 4.0.0)
mail (~> 2.5.3)
actionpack (4.0.0)
activesupport (= 4.0.0)
builder (~> 3.1.0)
erubis (~> 2.7.0)
rack (~> 1.5.2)
rack-test (~> 0.6.2)
activemodel (4.0.0)
activesupport (= 4.0.0)
builder (~> 3.1.0)
activerecord (4.0.0)
activemodel (= 4.0.0)
activerecord-deprecated_finders (~> 1.0.2)
activesupport (= 4.0.0)
arel (~> 4.0.0)
activerecord-deprecated_finders (1.0.3)
activesupport (4.0.0)
i18n (~> 0.6, >= 0.6.4)
minitest (~> 4.2)
multi_json (~> 1.3)
thread_safe (~> 0.1)
tzinfo (~> 0.3.37)
arel (4.0.0)
atomic (1.1.10)
bcrypt-ruby (3.0.1)
builder (3.1.4)
chunky_png (1.2.8)
coffee-rails (4.0.0)
coffee-script (>= 2.2.0)
railties (>= 4.0.0.beta, < 5.0)
coffee-script (2.2.0)
coffee-script-source
execjs
coffee-script-source (1.6.3)
compass (0.12.2)
chunky_png (~> 1.2)
fssm (>= 0.2.7)
sass (~> 3.1)
erubis (2.7.0)
execjs (1.4.0)
multi_json (~> 1.0)
faraday (0.8.7)
multipart-post (~> 1.1)
font-awesome-rails (3.0.2.0)
railties (>= 3.1)
fssm (0.2.10)
haml (4.0.1)
tilt
haml-rails (0.4)
actionpack (>= 3.1, < 4.1)
activesupport (>= 3.1, < 4.1)
haml (>= 3.1, < 4.1)
railties (>= 3.1, < 4.1)
hashie (1.2.0)
hike (1.2.3)
httpauth (0.2.0)
i18n (0.6.4)
jquery-rails (2.2.1)
railties (>= 3.0, < 5.0)
thor (>= 0.14, < 2.0)
jwt (0.1.8)
multi_json (>= 1.5)
mail (2.5.4)
mime-types (~> 1.16)
treetop (~> 1.4.8)
mime-types (1.23)
minitest (4.7.5)
multi_json (1.7.7)
multipart-post (1.2.0)
oauth (0.4.7)
oauth2 (0.8.1)
faraday (~> 0.8)
httpauth (~> 0.1)
jwt (~> 0.1.4)
multi_json (~> 1.0)
rack (~> 1.2)
omniauth (1.1.3)
hashie (~> 1.2)
rack
omniauth-facebook (1.4.0)
omniauth-oauth2 (~> 1.0.2)
omniauth-google (1.0.2)
multi_json
omniauth (~> 1.0)
omniauth-oauth
omniauth-linkedin (0.1.0)
omniauth-oauth (~> 1.0)
omniauth-oauth (1.0.1)
oauth
omniauth (~> 1.0)
omniauth-oauth2 (1.0.3)
oauth2 (~> 0.8.0)
omniauth (~> 1.0)
omniauth-twitter (1.0.0)
multi_json (~> 1.3)
omniauth-oauth (~> 1.0)
pg (0.15.1)
polyglot (0.3.3)
rack (1.5.2)
rack-test (0.6.2)
rack (>= 1.0)
rails (4.0.0)
actionmailer (= 4.0.0)
actionpack (= 4.0.0)
activerecord (= 4.0.0)
activesupport (= 4.0.0)
bundler (>= 1.3.0, < 2.0)
railties (= 4.0.0)
sprockets-rails (~> 2.0.0)
rails_12factor (0.0.2)
rails_serve_static_assets
rails_stdout_logging
rails_serve_static_assets (0.0.1)
rails_stdout_logging (0.0.1)
railties (4.0.0)
actionpack (= 4.0.0)
activesupport (= 4.0.0)
rake (>= 0.8.7)
thor (>= 0.18.1, < 2.0)
rake (10.1.0)
rest-client (1.6.7)
mime-types (>= 1.16)
sass (3.2.9)
sass-rails (4.0.0)
railties (>= 4.0.0.beta, < 5.0)
sass (>= 3.1.10)
sprockets-rails (~> 2.0.0)
simple_oauth (0.2.0)
sorcery (0.8.2)
bcrypt-ruby (~> 3.0.0)
oauth (~> 0.4.4)
oauth2 (~> 0.8.0)
sprockets (2.10.0)
hike (~> 1.2)
multi_json (~> 1.0)
rack (~> 1.0)
tilt (~> 1.1, != 1.3.0)
sprockets-rails (2.0.0)
actionpack (>= 3.0)
activesupport (>= 3.0)
sprockets (~> 2.8)
thor (0.18.1)
thread_safe (0.1.0)
atomic
tilt (1.4.1)
treetop (1.4.14)
polyglot
polyglot (>= 0.3.1)
twitter (4.8.1)
faraday (~> 0.8, < 0.10)
multi_json (~> 1.0)
simple_oauth (~> 0.2)
tzinfo (0.3.37)
uglifier (2.1.2)
execjs (>= 0.3.0)
multi_json (~> 1.0, >= 1.0.2)
zurb-foundation (4.3.0)
sass (>= 3.2.0)
PLATFORMS
ruby
DEPENDENCIES
coffee-rails
compass-rails!
font-awesome-rails
haml-rails (~> 0.4)
jquery-rails (~> 2.2.1)
omniauth-facebook
omniauth-google
omniauth-linkedin
omniauth-twitter
pg
rails (= 4.0.0)
rails_12factor
rest-client (~> 1.6.7)
sass-rails
sorcery
twitter (~> 4.8.1)
uglifier
zurb-foundation (~> 4.3.0)
It looks like Pow isn't using the same Ruby as your shell session. You can learn how to properly setup Pow with the same version of Ruby using your Ruby version manager in the Pow User Manual.
来源：https://stackoverflow.com/questions/17801200/pow-not-loading-gem-properly-while-rails-s-works