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StackTrace and Gemfile related to Gem::LoadError
Raw
GemLoadError.md

I installed Ruby using the RubyInstaller and DevKit on Windows 8. I'm using PostgreSQL 9.2 64bit.

The error:

Gem::LoadError
Specified 'postgresql' for database adapter, but the gem is not loaded. Add `gem 'pg'` to your Gemfile.

Gemfile:

source 'https://rubygems.org'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.0.0'

# Use postgresql as the database for Active Record
gem 'pg'

# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.0'

# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'

# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'

# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby

# Use jquery as the JavaScript library
gem 'jquery-rails'

# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'

# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 1.2'

group :doc do
  # bundle exec rake doc:rails generates the API under doc/api.
  gem 'sdoc', require: false
end

# Use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# Use unicorn as the app server
# gem 'unicorn'

# Use Capistrano for deployment
# gem 'capistrano', group: :development

# Use debugger
# gem 'debugger', group: [:development, :test]

Gemfile.lock

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)
    builder (3.1.4)
    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)
    erubis (2.7.0)
    execjs (1.4.0)
      multi_json (~> 1.0)
    hike (1.2.3)
    i18n (0.6.4)
    jbuilder (1.4.2)
      activesupport (>= 3.0.0)
      multi_json (>= 1.2.0)
    jquery-rails (3.0.4)
      railties (>= 3.0, < 5.0)
      thor (>= 0.14, < 2.0)
    json (1.8.0)
    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)
    pg (0.16.0-x86-mingw32)
    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)
    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)
    rdoc (3.12.2)
      json (~> 1.4)
    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)
    sdoc (0.3.20)
      json (>= 1.1.3)
      rdoc (~> 3.10)
    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 (0.1.2)
      atomic
    tilt (1.4.1)
    treetop (1.4.14)
      polyglot
      polyglot (>= 0.3.1)
    turbolinks (1.3.0)
      coffee-rails
    tzinfo (0.3.37)
    uglifier (2.1.2)
      execjs (>= 0.3.0)
      multi_json (~> 1.0, >= 1.0.2)

PLATFORMS
  x86-mingw32

DEPENDENCIES
  coffee-rails (~> 4.0.0)
  jbuilder (~> 1.2)
  jquery-rails
  pg
  rails (= 4.0.0)
  sass-rails (~> 4.0.0)
  sdoc
  turbolinks
  uglifier (>= 1.3.0)

Full trace:

activerecord (4.0.0) lib/active_record/connection_adapters/connection_specification.rb:58:in `rescue in resolve_hash_connection'
activerecord (4.0.0) lib/active_record/connection_adapters/connection_specification.rb:55:in `resolve_hash_connection'
activerecord (4.0.0) lib/active_record/connection_adapters/connection_specification.rb:46:in `resolve_string_connection'
activerecord (4.0.0) lib/active_record/connection_adapters/connection_specification.rb:30:in `spec'
activerecord (4.0.0) lib/active_record/connection_handling.rb:39:in `establish_connection'
activerecord (4.0.0) lib/active_record/railtie.rb:175:in `block (2 levels) in <class:Railtie>'
activesupport (4.0.0) lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
activesupport (4.0.0) lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
activesupport (4.0.0) lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
activesupport (4.0.0) lib/active_support/lazy_load_hooks.rb:44:in `each'
activesupport (4.0.0) lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
activerecord (4.0.0) lib/active_record/base.rb:322:in `<module:ActiveRecord>'
activerecord (4.0.0) lib/active_record/base.rb:22:in `<top (required)>'
activerecord (4.0.0) lib/active_record/query_cache.rb:50:in `restore_query_cache_settings'
activerecord (4.0.0) lib/active_record/query_cache.rb:43:in `rescue in call'
activerecord (4.0.0) lib/active_record/query_cache.rb:32:in `call'
activerecord (4.0.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:626:in `call'
activerecord (4.0.0) lib/active_record/migration.rb:369:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (4.0.0) lib/active_support/callbacks.rb:373:in `_run__1660573397__call__callbacks'
activesupport (4.0.0) lib/active_support/callbacks.rb:80:in `run_callbacks'
actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/reloader.rb:64:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/remote_ip.rb:76:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.0.0) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.0.0) lib/rails/rack/logger.rb:21:in `block in call'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `block in tagged'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:25:in `tagged'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `tagged'
railties (4.0.0) lib/rails/rack/logger.rb:21:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.5.2) lib/rack/methodoverride.rb:21:in `call'
rack (1.5.2) lib/rack/runtime.rb:17:in `call'
activesupport (4.0.0) lib/active_support/cache/strategy/local_cache.rb:83:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/static.rb:64:in `call'
railties (4.0.0) lib/rails/engine.rb:511:in `call'
railties (4.0.0) lib/rails/application.rb:97:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
rack (1.5.2) lib/rack/content_length.rb:14:in `call'
rack (1.5.2) lib/rack/handler/webrick.rb:60:in `service'
C:/Ruby200-x64/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service'
C:/Ruby200-x64/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run'
C:/Ruby200-x64/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread'

database.yml:

development:
  adapter: postgresql
  encoding: unicode
  database: rails_dev
  pool: 5
  username: postgres
  password: 
  host: localhost
  port: 5433

test:
  adapter: postgresql
  encoding: unicode
  database: rails_test
  pool: 5
  username: postgres
  password: 
  host: localhost
  port: 5433

production:
  adapter: postgresql
  encoding: unicode
  database: rails_prod
  pool: 5
  username: postgres
  password: 
  host: localhost
  port: 5433

Gem install result:

c:\Ruby200-x64\bin>gem install pg
Fetching: pg-0.16.0-x64-mingw32.gem (100%)
Successfully installed pg-0.16.0-x64-mingw32
invalid options: -f fivefish
(invalid options are ignored)
Parsing documentation for pg-0.16.0-x64-mingw32
unable to convert "\x90" from ASCII-8BIT to UTF-8 for lib/2.0/pg_ext.so, skipping
Installing ri documentation for pg-0.16.0-x64-mingw32
1 gem installed

bundle install result:

Using rake (10.1.0)
Using i18n (0.6.4)
Using minitest (4.7.5)
Using multi_json (1.7.7)
Using atomic (1.1.10)
Using thread_safe (0.1.2)
Using tzinfo (0.3.37)
Using activesupport (4.0.0)
Using builder (3.1.4)
Using erubis (2.7.0)
Using rack (1.5.2)
Using rack-test (0.6.2)
Using actionpack (4.0.0)
Using mime-types (1.23)
Using polyglot (0.3.3)
Using treetop (1.4.14)
Using mail (2.5.4)
Using actionmailer (4.0.0)
Using activemodel (4.0.0)
Using activerecord-deprecated_finders (1.0.3)
Using arel (4.0.0)
Using activerecord (4.0.0)
Using coffee-script-source (1.6.3)
Using execjs (1.4.0)
Using coffee-script (2.2.0)
Using thor (0.18.1)
Using railties (4.0.0)
Using coffee-rails (4.0.0)
Using hike (1.2.3)
Using jbuilder (1.4.2)
Using jquery-rails (3.0.4)
Using json (1.8.0)
Using bundler (1.3.5)
Using tilt (1.4.1)
Using sprockets (2.10.0)
Using sprockets-rails (2.0.0)
Using rails (4.0.0)
Using rdoc (3.12.2)
Using sass (3.2.9)
Using sass-rails (4.0.0)
Using sdoc (0.3.20)
Using turbolinks (1.3.0)
Using uglifier (2.1.2)
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.

bundle env

Bundler 1.3.5
Ruby 2.0.0 (2013-06-27 patchlevel 247) [x64-mingw32]
Rubygems 2.0.3
GEM_HOME

Bundler settings
  build.pg
    Set for the current user (C:/Users/hugh/.bundle/config): "--with-pg-config=C:\\Program Files\\PostgreSQL\\9.2\\bin\\pg_config.exe"


Gemfile
source 'https://rubygems.org'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.0.0'

# Use postgresql as the database for Active Record
gem 'pg'

# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.0'

# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'

# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'

# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby

# Use jquery as the JavaScript library
gem 'jquery-rails'

# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'

# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 1.2'

group :doc do
  # bundle exec rake doc:rails generates the API under doc/api.
  gem 'sdoc', require: false
end

# Use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# Use unicorn as the app server
# gem 'unicorn'

# Use Capistrano for deployment
# gem 'capistrano', group: :development

# Use debugger
# gem 'debugger', group: [:development, :test]


Gemfile.lock
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)
    builder (3.1.4)
    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)
    erubis (2.7.0)
    execjs (1.4.0)
      multi_json (~> 1.0)
    hike (1.2.3)
    i18n (0.6.4)
    jbuilder (1.4.2)
      activesupport (>= 3.0.0)
      multi_json (>= 1.2.0)
    jquery-rails (3.0.4)
      railties (>= 3.0, < 5.0)
      thor (>= 0.14, < 2.0)
    json (1.8.0)
    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)
    pg (0.16.0-x86-mingw32)
    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)
    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)
    rdoc (3.12.2)
      json (~> 1.4)
    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)
    sdoc (0.3.20)
      json (>= 1.1.3)
      rdoc (~> 3.10)
    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 (0.1.2)
      atomic
    tilt (1.4.1)
    treetop (1.4.14)
      polyglot
      polyglot (>= 0.3.1)
    turbolinks (1.3.0)
      coffee-rails
    tzinfo (0.3.37)
    uglifier (2.1.2)
      execjs (>= 0.3.0)
      multi_json (~> 1.0, >= 1.0.2)

PLATFORMS
  x86-mingw32

DEPENDENCIES
  coffee-rails (~> 4.0.0)
  jbuilder (~> 1.2)
  jquery-rails
  pg
  rails (= 4.0.0)
  sass-rails (~> 4.0.0)
  sdoc
  turbolinks
  uglifier (>= 1.3.0)

gem env

RubyGems Environment:
  - RUBYGEMS VERSION: 2.0.3
  - RUBY VERSION: 2.0.0 (2013-06-27 patchlevel 247) [x64-mingw32]
  - INSTALLATION DIRECTORY: C:/Ruby200-x64/lib/ruby/gems/2.0.0
  - RUBY EXECUTABLE: C:/Ruby200-x64/bin/ruby.exe
  - EXECUTABLE DIRECTORY: C:/Ruby200-x64/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x64-mingw32
  - GEM PATHS:
     - C:/Ruby200-x64/lib/ruby/gems/2.0.0
     - C:/Users/hugh/.gem/ruby/2.0.0
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - https://rubygems.org/
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