未初始化的常量的ActiveSupport ::緩存:: MemCacheStore都:: MEMCACHE

當我開始我的內存緩存（GEM）項目中，我得到這個錯誤和軌道3.0.0beta未初始化的常量的ActiveSupport ::緩存:: MemCacheStore都:: MEMCACHE

下面是完整的跟蹤：

/Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/cache/mem_cache_store.rb:39:in `build_mem_cache': uninitialized constant ActiveSupport::Cache::MemCacheStore::MemCache (NameError) 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/cache/mem_cache_store.rb:65:in `initialize' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/cache.rb:64:in `new' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/cache.rb:64:in `lookup_store' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/application/bootstrap.rb:47 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/kernel/reporting.rb:22:in `with_warnings' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/application/bootstrap.rb:47 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:25:in `instance_exec' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:25:in `run' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:55:in `run_initializers' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:54:in `each' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/initializable.rb:54:in `run_initializers' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/application.rb:119:in `initialize!' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/application.rb:81:in `send' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/railties-3.0.0.beta4/lib/rails/application.rb:81:in `method_missing' 
    from /Users/netbe/Projects/banana/config/environment.rb:5 
    from config.ru:3:in `require' 
    from config.ru:3 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval' 
    from /Users/netbe/.rvm/gems/ruby-1.8.7-p249/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize' 
    from config.ru:1:in `new' 
    from config.ru:1

下面是從我的environment.rb一些代碼，線＃5：模塊緩存

require 'active_support/cache' 
module ActiveSupport 
    module Cache 
    class MemCacheStore < Store 
     def logger 
     Rails.logger 
     end 
    end 
    end 
end

是否有任何人誰都能猜到什麼是錯在這裏，它是一個軌道3的問題？

來源

2010-07-06 netbe

其實你還沒有加入寶石「的memcache客戶端」到你的Gemfile，顯然你只有寶石「內存緩存」

來源

2010-07-11 09:43:14 Waheedi

我想，我的回答是爲時已晚:)但可能是它幫助別人。我有同樣的錯誤，問題是在lib/memcache.rb目錄中的文件的名稱。重命名後，項目照常開始。

來源

2011-01-09 06:02:17 z3ple

未初始化的常量的ActiveSupport ::緩存:: MemCacheStore都:: MEMCACHE

回答

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