Spork无法启动，因为没有这样的文件可以加载-- spork (LoadError)

Question

每当我运行spork时，我都会得到

$ spork
Using RSpec
Preloading Rails environment
Loading Spork.prefork block...
no such file to load -- spork (LoadError)
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:240:in `require'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:240:in `block in require'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:223:in `block in load_dependency'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:640:in `new_constants_in'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:223:in `load_dependency'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:240:in `require'
/Users/darth/projects/checkin/spec/spec_helper.rb:2:in `<top (required)>'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:234:in `load'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:234:in `block in load'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:223:in `block in load_dependency'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:640:in `new_constants_in'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:223:in `load_dependency'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/dependencies.rb:234:in `load'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/test_framework.rb:138:in `block (2 levels) in preload'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/app_framework/rails.rb:8:in `preload'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/test_framework.rb:134:in `block in preload'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork.rb:62:in `exec_prefork'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/test_framework.rb:120:in `preload'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/run_strategy/forking.rb:25:in `preload'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/runner.rb:74:in `run'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/lib/spork/runner.rb:10:in `run'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/spork-0.9.0.rc9/bin/spork:10:in `<top (required)>'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/bin/spork:19:in `load'
/Users/darth/.rvm/gems/ruby-1.9.2-p290/bin/spork:19:in `<main>'

我记得几天前我已经开始使用spork了，但是我一直在摆弄我的Gemfile，想让它在Heroku上工作，现在我似乎不能让它工作了。这是我的Gemfile

source 'http://rubygems.org'

gem 'rack', '1.3.3'
gem 'rails', '3.1.0'
gem 'json'
gem 'jquery-rails'
gem 'pg', :group => :production

group :assets do
  gem 'sass-rails', "  ~> 3.1.0"
  gem 'coffee-rails', "~> 3.1.0"
  gem 'uglifier'
end

gem 'nifty-generators', :group => :development

group :development, :test do
  gem 'sqlite3'
  gem 'rspec-rails'
  group :darwin do
    gem 'rb-fsevent', :require => false
    gem 'rb-inotify', :require => false
    gem 'rb-fchange', :require => false
  end
  gem 'spork', '> 0.9.0.rc'
  gem 'guard-rspec', :require => false
  gem 'guard-spork', :require => false
  gem 'growl'
  gem 'cucumber-rails'  
  gem 'database_cleaner'
  gem 'webrat'
  gem 'capybara'
  gem 'factory_girl_rails'  
end

当我尝试在另一个项目中启动spork时，它似乎工作得很好，所以问题一定出在配置中的某个地方。

bundle exec spork给了我

/Users/darth/.rvm/gems/ruby-1.9.2-p290/gems/bundler-
1.0.21/lib/bundler/rubygems_integration.rb:143:in `block in replace_gem': 
     spork is not part of the bundle. Add it to Gemfile. (Gem::LoadError)
     from /Users/darth/.rvm/gems/ruby-1.9.2-p290/bin/spork:18:in `<main>'

Answer 1

我还没有在3.1.0中尝试过，所以它可能无法工作，但在您的叉子预叉中。尝试添加以下内容：

Spork.prefork do
...
   #Add this following line to get spork working with rails 3
   ActiveSupport::Dependencies.clear
...
end

Answer 2

在rails 3中对我有效。确保‘spork rails’在你的gemfile中。我只是在你的里面看到了'spork‘。

我试着在bundler之外使用它，因为它不在团队项目中，没有人想要它在那里，但它不会工作，除非我真的把它放在了gemfile中。