ruby-on-rails – 未初始化的常量ActiveSupport :: Dependencies :: Mutex

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我尝试从OSX到Debian运行一个工作轨道项目.我在两个系统RVM上使用并为项目创建了相同的gemsets和rvmrc.在Debian上我只用rvm安装了 ruby,没有系统安装 ruby存在.

当我跳进项目文件夹时,rvm正在切换到1.8.7版,并且正在使用项目gemset,一切看起来都很好.

但是当我启动耙子时,我得到了这个错误

$rake -T --trace
(in /home/i/project/src)
rake aborted!
uninitialized constant ActiveSupport::Dependencies::Mutex
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2503:in `const_missing'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:55
/home/i/.rvm/rubies/ruby-1.8.7-p249/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
/home/i/.rvm/rubies/ruby-1.8.7-p249/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/activesupport-2.3.5/lib/active_support.rb:56
/home/i/.rvm/rubies/ruby-1.8.7-p249/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
/home/i/.rvm/rubies/ruby-1.8.7-p249/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rails-2.3.5/lib/tasks/misc.rake:18
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rails-2.3.5/lib/tasks/rails.rb:4:in `load'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rails-2.3.5/lib/tasks/rails.rb:4
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rails-2.3.5/lib/tasks/rails.rb:4:in `each'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rails-2.3.5/lib/tasks/rails.rb:4
/home/i/.rvm/rubies/ruby-1.8.7-p249/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
/home/i/.rvm/rubies/ruby-1.8.7-p249/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
/home/i/ws/project/src/Rakefile:10
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2383:in `load'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2383:in `raw_load_rakefile'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2017:in `load_rakefile'
/    home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2016:in `load_rakefile'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2000:in `run'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/gems/rake-0.8.7/bin/rake:31
/home/i/.rvm/gems/ruby-1.8.7-p249@project/bin/rake:19:in `load'
/home/i/.rvm/gems/ruby-1.8.7-p249@project/bin/rake:19

解决方法

我的工作方案.添加以下行:
require 'thread'

在rails项目根目录下的Rakefile的第一行.神奇地所有人都会跑;-)

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