错误无法加载此类文件 -- user_agent/browsers/playstation (LoadError)

Question

在运行 rails s 或 rails c 时 在项目 ruby​​ v2.1.4 和 rails 3.2.13

/home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in require': cannot load such file -- user_agent/browsers/playstation (LoadError) from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:inblock in require' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in load_dependency' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:inrequire' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/useragent-0.16.0/lib/user_agent/browsers.rb:12:in <top (required)>' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:inrequire' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in block in require' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:inload_dependency' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in require' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/useragent-0.16.0/lib/user_agent.rb:2:in' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in require' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:inblock in require' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in load_dependency' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:inrequire' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/useragent-0.16.0/lib/useragent.rb:1:in <top (required)>' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:inrequire' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in block in require' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:inload_dependency' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in require' from /home/kop/rails/howtobuyafranchise/lib/franchise_core/lib/franchise.rb:11:in' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:in require' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler/runtime.rb:76:inblock (2 个级别) in require' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler/runtime.rb:72:in each' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler/runtime.rb:72:inblock in require' 来自 /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler/runtime.rb:61:in each' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler/runtime.rb:61:inrequire' 来自/home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/bundler-1.10.6/lib/bundler.rb:134:in require' from /home/kop/rails/howtobuyafranchise/config/application.rb:7:in' 来自/home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/railties-3.2.13/lib/rails/commands.rb:39:in require' from /home/kop/.rvm/gems/ruby-2.1.4@rails3213/gems/railties-3.2.13/lib/rails/commands.rb:39:in' 来自脚本/rails:6:in require' from script/rails:6:in'

我不知道修复这个错误 请帮助我

Answer 1

我认为文件路径错误， 而不是：user_agent/browsers/playstation 将其更改为：

useragent/browsers/playstation

由于我不知道您的 Gemfile 中有什么，我对此错误的假设之一是您没有在 Gemfile 中包含 gem 'useragent', '~> 0.14.0' 然后运行 ​​bundle install