我在生产模式下运行应用程序时遇到此错误。然而，当我在开发模式下运行它时，一切正常，没有错误。这是我运行“rails'production”时遇到的完整错误。
D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:247:in
require': cannot load such file -- rack/handler/production (LoadError) from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:247:in阻止在'require'中 来自D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:232:inload_dependency' from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/activesupport-4.1.4/lib/active_support/dependencies.rb:247:inrequire' 来自D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/handler.rb:76:intry_require' from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/handler.rb:16:in得到” 来自D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/rack-1.5.5/lib/rack/server.rb:268:inserver' from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands/server.rb:112:inprint_boot_information” 来自D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands/server.rb:64:instart' from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands/commands_tasks.rb:81:in阻止服务器' 来自D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands/commands_tasks.rb:76:intap' from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands/commands_tasks.rb:76:in服务器” 来自D：/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands/commands_tasks.rb:40:inrun_command!' from D:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/railties-4.1.4/lib/rails/commands.rb:17:in” 来自bin / rails：4：require' from bin/rails:4:in'
我的宝石文件：
source 'https://rubygems.org'
#Gem allows to transfer data from dev to production database
gem 'yaml_db'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.1.4'
# Use sqlite3 as the database for Active Record
gem 'sqlite3'
#gem 'pg'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# 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', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc
# Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
gem 'spring', group: :development
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'
# Use unicorn as the app server
# gem 'unicorn'
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
# Use debugger
# gem 'debugger', group: [:development, :test]
gem 'bundler'
gem "font-awesome-rails"
gem "private_pub"
gem "thin"
gem 'gravatar-ultimate'
gem "haml"
gem 'whenever'
# gem 'forem', github: "radar/forem", branch: "rails4"
# gem 'will_paginate', '3.0.5'
group :development do
gem 'pry-rails'
gem 'better_errors'
end
gem 'delayed_job_active_record'
gem 'acts_as_votable', github: 'ryanto/acts_as_votable'
gem 'binding_of_caller'
gem 'simple_form'
gem 'devise', github: 'plataformatec/devise'
gem 'omniauth'
gem 'omniauth-facebook'
gem 'activeadmin', github: 'gregbell/active_admin'
gem 'google-analytics-rails'
gem 'rails_config'
gem 'bootstrap-sass', '3.3.5'
gem 'bootstrap-sass-extras'
gem 'validates_formatting_of'
gem 'tzinfo-data'
group :development, :test do
gem 'dotenv-rails'
gem 'rspec-rails'
gem 'factory_girl_rails'
end
group :test do
gem 'shoulda-matchers'
gem 'cucumber-rails', require: false
gem 'database_cleaner'
end
And gemfile.lock:
GIT
remote: git://github.com/gregbell/active_admin.git
revision: d44c1b8a57cc893f0b3dae6a7e6cb5c9bc09be29
specs:
activeadmin (1.0.0.pre1)
arbre (~> 1.0, >= 1.0.2)
bourbon
coffee-rails
formtastic (~> 3.1)
formtastic_i18n
inherited_resources (~> 1.6)
jquery-rails
jquery-ui-rails (~> 5.0)
kaminari (~> 0.15)
rails (>= 3.2, < 5.0)
ransack (~> 1.3)
sass-rails
GIT
remote: git://github.com/plataformatec/devise.git
revision: b12658782ff41cbd2e418a4974779f51e3675466
specs:
devise (3.5.2)
bcrypt (~> 3.0)
orm_adapter (~> 0.1)
railties (>= 3.2.6, < 5)
responders
thread_safe (~> 0.1)
warden (~> 1.2.3)
GIT
remote: git://github.com/ryanto/acts_as_votable.git
revision: 9ded371ec0720d07fa7a169109da05c835a2cb51
specs:
acts_as_votable (0.10.0)
GEM
remote: https://rubygems.org/
specs:
actionmailer (4.1.4)
actionpack (= 4.1.4)
actionview (= 4.1.4)
mail (~> 2.5.4)
actionpack (4.1.4)
actionview (= 4.1.4)
activesupport (= 4.1.4)
rack (~> 1.5.2)
rack-test (~> 0.6.2)
actionview (4.1.4)
activesupport (= 4.1.4)
builder (~> 3.1)
erubis (~> 2.7.0)
activemodel (4.1.4)
activesupport (= 4.1.4)
builder (~> 3.1)
activerecord (4.1.4)
activemodel (= 4.1.4)
activesupport (= 4.1.4)
arel (~> 5.0.0)
activesupport (4.1.4)
i18n (~> 0.6, >= 0.6.9)
json (~> 1.7, >= 1.7.7)
minitest (~> 5.1)
thread_safe (~> 0.1)
tzinfo (~> 1.1)
addressable (2.3.8)
arbre (1.0.3)
activesupport (>= 3.0.0)
arel (5.0.1.20140414130214)
autoprefixer-rails (5.2.1.2)
execjs
json
bcrypt (3.1.10)
bcrypt (3.1.10-x86-mingw32)
better_errors (2.1.1)
coderay (>= 1.0.0)
erubis (>= 2.6.6)
rack (>= 0.9.0)
binding_of_caller (0.7.2)
debug_inspector (>= 0.0.1)
bootstrap-sass (3.3.5)
autoprefixer-rails (>= 5.0.0.1)
sass (>= 3.2.19)
bootstrap-sass-extras (0.0.6)
rails (>= 3.1.0)
bourbon (3.2.4)
sass (~> 3.2)
thor
builder (3.2.2)
capybara (2.4.4)
mime-types (>= 1.16)
nokogiri (>= 1.3.3)
rack (>= 1.0.0)
rack-test (>= 0.5.4)
xpath (~> 2.0)
chronic (0.10.2)
coderay (1.1.0)
coffee-rails (4.0.1)
coffee-script (>= 2.2.0)
railties (>= 4.0.0, < 5.0)
coffee-script (2.4.1)
coffee-script-source
execjs
coffee-script-source (1.9.1.1)
config (1.0.0)
activesupport (>= 3.0)
deep_merge (~> 1.0.0)
cookiejar (0.3.2)
cucumber (1.3.20)
builder (>= 2.1.2)
diff-lcs (>= 1.1.3)
gherkin (~> 2.12)
multi_json (>= 1.7.5, < 2.0)
multi_test (>= 0.1.2)
cucumber-rails (1.4.2)
capybara (>= 1.1.2, < 3)
cucumber (>= 1.3.8, < 2)
mime-types (>= 1.16, < 3)
nokogiri (~> 1.5)
rails (>= 3, < 5)
daemons (1.2.3)
database_cleaner (1.4.1)
debug_inspector (0.0.2)
deep_merge (1.0.1)
delayed_job (4.0.6)
activesupport (>= 3.0, < 5.0)
delayed_job_active_record (4.0.3)
activerecord (>= 3.0, < 5.0)
delayed_job (>= 3.0, < 4.1)
diff-lcs (1.2.5)
dotenv (2.0.2)
dotenv-rails (2.0.2)
dotenv (= 2.0.2)
railties (~> 4.0)
em-http-request (1.1.2)
addressable (>= 2.3.4)
cookiejar
em-socksify (>= 0.3)
eventmachine (>= 1.0.3)
http_parser.rb (>= 0.6.0)
em-socksify (0.3.0)
eventmachine (>= 1.0.0.beta.4)
erubis (2.7.0)
eventmachine (1.0.8)
execjs (2.6.0)
factory_girl (4.5.0)
activesupport (>= 3.0.0)
factory_girl_rails (4.5.0)
factory_girl (~> 4.5.0)
railties (>= 3.0.0)
faraday (0.9.1)
multipart-post (>= 1.2, < 3)
faye (1.1.2)
cookiejar (>= 0.3.0)
em-http-request (>= 0.3.0)
eventmachine (>= 0.12.0)
faye-websocket (>= 0.9.1)
multi_json (>= 1.0.0)
rack (>= 1.0.0)
websocket-driver (>= 0.5.1)
faye-websocket (0.10.0)
eventmachine (>= 0.12.0)
websocket-driver (>= 0.5.1)
font-awesome-rails (4.4.0.0)
railties (>= 3.2, < 5.0)
formtastic (3.1.3)
actionpack (>= 3.2.13)
formtastic_i18n (0.4.1)
gherkin (2.12.2)
multi_json (~> 1.3)
gherkin (2.12.2-x86-mingw32)
multi_json (~> 1.3)
google-analytics-rails (0.0.6)
gravatar-ultimate (2.0.0)
activesupport (>= 2.3.14)
rack
haml (4.0.7)
tilt
has_scope (0.6.0)
actionpack (>= 3.2, < 5)
activesupport (>= 3.2, < 5)
hashie (3.4.2)
hike (1.2.3)
http_parser.rb (0.6.0)
i18n (0.7.0)
inherited_resources (1.6.0)
actionpack (>= 3.2, < 5)
has_scope (~> 0.6.0.rc)
railties (>= 3.2, < 5)
responders
jbuilder (2.3.1)
activesupport (>= 3.0.0, < 5)
multi_json (~> 1.2)
jquery-rails (3.1.3)
railties (>= 3.0, < 5.0)
thor (>= 0.14, < 2.0)
jquery-ui-rails (5.0.5)
railties (>= 3.2.16)
json (1.8.3)
jwt (1.5.1)
kaminari (0.16.3)
actionpack (>= 3.0.0)
activesupport (>= 3.0.0)
mail (2.5.4)
mime-types (~> 1.16)
treetop (~> 1.4.8)
method_source (0.8.2)
mime-types (1.25.1)
mini_portile (0.6.2)
minitest (5.8.0)
multi_json (1.11.2)
multi_test (0.1.2)
multi_xml (0.5.5)
multipart-post (2.0.0)
nokogiri (1.6.6.2)
mini_portile (~> 0.6.0)
nokogiri (1.6.6.2-x86-mingw32)
mini_portile (~> 0.6.0)
oauth2 (1.0.0)
faraday (>= 0.8, < 0.10)
jwt (~> 1.0)
multi_json (~> 1.3)
multi_xml (~> 0.5)
rack (~> 1.2)
omniauth (1.2.2)
hashie (>= 1.2, < 4)
rack (~> 1.0)
omniauth-facebook (2.0.1)
omniauth-oauth2 (~> 1.2)
omniauth-oauth2 (1.3.1)
oauth2 (~> 1.0)
omniauth (~> 1.2)
orm_adapter (0.5.0)
polyamorous (1.2.0)
activerecord (>= 3.0)
polyglot (0.3.5)
private_pub (1.0.3)
faye
pry (0.10.1)
coderay (~> 1.1.0)
method_source (~> 0.8.1)
slop (~> 3.4)
pry (0.10.1-x86-mingw32)
coderay (~> 1.1.0)
method_source (~> 0.8.1)
slop (~> 3.4)
win32console (~> 1.3)
pry-rails (0.3.4)
pry (>= 0.9.10)
rack (1.5.5)
rack-test (0.6.3)
rack (>= 1.0)
rails (4.1.4)
actionmailer (= 4.1.4)
actionpack (= 4.1.4)
actionview (= 4.1.4)
activemodel (= 4.1.4)
activerecord (= 4.1.4)
activesupport (= 4.1.4)
bundler (>= 1.3.0, < 2.0)
railties (= 4.1.4)
sprockets-rails (~> 2.0)
rails_config (0.99.0)
config (>= 1.0.0.beta1)
railties (4.1.4)
actionpack (= 4.1.4)
activesupport (= 4.1.4)
rake (>= 0.8.7)
thor (>= 0.18.1, < 2.0)
rake (10.4.2)
ransack (1.7.0)
actionpack (>= 3.0)
activerecord (>= 3.0)
activesupport (>= 3.0)
i18n
polyamorous (~> 1.2)
rdoc (4.2.0)
json (~> 1.4)
responders (1.1.2)
railties (>= 3.2, < 4.2)
rspec-core (3.3.2)
rspec-support (~> 3.3.0)
rspec-expectations (3.3.1)
diff-lcs (>= 1.2.0, < 2.0)
rspec-support (~> 3.3.0)
rspec-mocks (3.3.2)
diff-lcs (>= 1.2.0, < 2.0)
rspec-support (~> 3.3.0)
rspec-rails (3.3.3)
actionpack (>= 3.0, < 4.3)
activesupport (>= 3.0, < 4.3)
railties (>= 3.0, < 4.3)
rspec-core (~> 3.3.0)
rspec-expectations (~> 3.3.0)
rspec-mocks (~> 3.3.0)
rspec-support (~> 3.3.0)
rspec-support (3.3.0)
sass (3.2.19)
sass-rails (4.0.5)
railties (>= 4.0.0, < 5.0)
sass (~> 3.2.2)
sprockets (~> 2.8, < 3.0)
sprockets-rails (~> 2.0)
sdoc (0.4.1)
json (~> 1.7, >= 1.7.7)
rdoc (~> 4.0)
shoulda-matchers (2.8.0)
activesupport (>= 3.0.0)
simple_form (3.1.0)
actionpack (~> 4.0)
activemodel (~> 4.0)
slop (3.6.0)
spring (1.3.6)
sprockets (2.12.4)
hike (~> 1.2)
multi_json (~> 1.0)
rack (~> 1.0)
tilt (~> 1.1, != 1.3.0)
sprockets-rails (2.3.2)
actionpack (>= 3.0)
activesupport (>= 3.0)
sprockets (>= 2.8, < 4.0)
sqlite3 (1.3.10)
sqlite3 (1.3.10-x86-mingw32)
thin (1.6.3)
daemons (~> 1.0, >= 1.0.9)
eventmachine (~> 1.0)
rack (~> 1.0)
thor (0.19.1)
thread_safe (0.3.5)
tilt (1.4.1)
treetop (1.4.15)
polyglot
polyglot (>= 0.3.1)
turbolinks (2.5.3)
coffee-rails
tzinfo (1.2.2)
thread_safe (~> 0.1)
tzinfo-data (1.2015.6)
tzinfo (>= 1.0.0)
uglifier (2.7.1)
execjs (>= 0.3.0)
json (>= 1.8.0)
validates_formatting_of (0.9.0)
activemodel
warden (1.2.3)
rack (>= 1.0)
websocket-driver (0.6.2)
websocket-extensions (>= 0.1.0)
websocket-extensions (0.1.2)
whenever (0.9.4)
chronic (>= 0.6.3)
win32console (1.3.2-x86-mingw32)
xpath (2.0.0)
nokogiri (~> 1.3)
yaml_db (0.3.0)
rails (>= 3.0, < 4.3)
rake (>= 0.8.7)
PLATFORMS
ruby
x86-mingw32
DEPENDENCIES
activeadmin!
acts_as_votable!
better_errors
binding_of_caller
bootstrap-sass (= 3.3.5)
bootstrap-sass-extras
bundler
coffee-rails (~> 4.0.0)
cucumber-rails
database_cleaner
delayed_job_active_record
devise!
dotenv-rails
factory_girl_rails
font-awesome-rails
google-analytics-rails
gravatar-ultimate
haml
jbuilder (~> 2.0)
jquery-rails
omniauth
omniauth-facebook
private_pub
pry-rails
rails (= 4.1.4)
rails_config
rspec-rails
sass-rails (~> 4.0.3)
sdoc (~> 0.4.0)
shoulda-matchers
simple_form
spring
sqlite3
thin
turbolinks
tzinfo-data
uglifier (>= 1.3.0)
validates_formatting_of
whenever
yaml_db
BUNDLED WITH
1.10.6
我不确定是什么原因造成的。我尝试卸载所有宝石并重新安装。我可以说的一件事是，在我没有使用之前
BUNDLED WITH
1.10.6
位于gemlock文件的底部。
请让我知道这可能是什么。
答案 0 :(得分：1)
想出来。
正确的命令是rails s -e production而不是rails s production