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rake 出现问题的解决方式

仲孙献
2023-12-01

Ruby:uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)

转载:http://hi.baidu.com/linuxerror/blog/item/f687603be6f5212871cf6cc3.html 

: uninitialized constant ActiveSupport::Dependencies::Mutex(NameError)

    from/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in`gem_original_require'

    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'

    from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support.rb:57

    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'

    from/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in`require'

    from /usr/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/rails_generator.rb:31

    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'

    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'

    from/usr/lib/ruby/gems/1.8/gems/rails-2.3.8/bin/rails:15

    from/usr/bin/rails:19:in`load'

    from /usr/bin/rails:19 

============================ 

from:http://stackoverflow.com/questions/5176782/uninitialized-constant-activesupportdependenciesmutex-nameerror

 

 解决方案: 

This is an incompatibility between Rails 2.3.8 and recent versions of RubyGems. Upgrade to the latest 2.3 version (2.3.11 as of today).

1.升级rails 

2.gem降级    --->  gem update --system 1.5.3

3.require 'thread' 

原文推荐:推荐降级的方式,rails的版本兼容有些问题。

个人推荐:require 'thread' 

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