这是我的Gemfile：
source 'http://rubygems.org'
gem 'rails', '3.0.0'
gem 'sqlite3-ruby', :require => 'sqlite3'
gem 'will_paginate', '3.0.pre2'
gem 'paperclip', :git => 'git://github.com/thoughtbot/paperclip.git'
gem 'mime-types', :require => 'mime/types'
gem 'rails3-generators'
gem 'devise', '~> 1.1.3'
gem 'devise_invitable', '~> 0.3.4'
gem 'declarative_authorization', :git => 'git://github.com/stffn/declarative_authorization.git'
gem 'aasm'
gem 'braintree'
gem 'thumbs_up'
gem 'best_in_place'
gem "friendly_id", "~> 3.2"
gem 'aws-s3'
group :development do
# Server
gem 'thin'
#gem 'rspec-rails', '2.0.1'
gem 'annotate-models', '1.0.4'
#gem 'rails-erd'
gem 'annotate'
gem 'faker', '0.3.1'
gem 'ruby_parser'
end
group :test do
gem 'rspec', '2.0.1'
gem 'webrat', '0.7.1'
#gem 'spork', '0.8.4'
#gem 'factory_girl_rails', '1.0'
end
以下是我遇到的错误：
$ thin start
>> Using rack adapter
/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.7/lib/bundler.rb:199: warning: Insecure world writable dir /usr/local/bin in PATH, mode 040766
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require': no such file to load -- rails_admin/application_controller (LoadError)
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
/myapp/config/initializers/rails_admin.rb:1:in `<top (required)>'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:235:in `load'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:235:in `block in load'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:235:in `load'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/engine.rb:201:in `block (2 levels) in <class:Engine>'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/engine.rb:200:in `each'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/engine.rb:200:in `block in <class:Engine>'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `instance_exec'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `run'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:50:in `block in run_initializers'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `each'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `run_initializers'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/application.rb:134:in `initialize!'
/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/application.rb:77:in `method_missing'
/myapp/config/environment.rb:5:in `<top (required)>'
from <internal:lib/rubygems/custom_require>:29:in `require'
from <internal:lib/rubygems/custom_require>:29:in `require'
myapp/config.ru:3:in `block in <main>'
/.rvm/gems/ruby-1.9.2-p0/gems/rack-1.2.2/lib/rack/builder.rb:46:in `instance_eval'
/.rvm/gems/ruby-1.9.2-p0/gems/rack-1.2.2/lib/rack/builder.rb:46:in `initialize'
myapp/config.ru:1:in `new'
myapp/config.ru:1:in `<main>'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/rack/adapter/loader.rb:36:in `eval'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/rack/adapter/loader.rb:36:in `load'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/rack/adapter/loader.rb:45:in `for'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/thin/controllers/controller.rb:169:in `load_adapter'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/thin/controllers/controller.rb:73:in `start'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/thin/runner.rb:185:in `run_command'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/lib/thin/runner.rb:151:in `run!'
/.rvm/gems/ruby-1.9.2-p0/gems/thin-1.2.11/bin/thin:6:in `<top (required)>'
/.rvm/gems/ruby-1.9.2-p0/bin/thin:19:in `load'
/.rvm/gems/ruby-1.9.2-p0/bin/thin:19:in `<main>'
我曾经安装了rails_admin，但我对其进行了评论并运行bundle update和bundle install。
虽然仍然出现此错误。
答案 0 :(得分：1)
删除config / initializers / rails_admin.rb，放松并向下浮动。