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我裝我的Rails應用程序時收到以下錯誤信息：您已經激活建設者
You have already activated builder 3.0.4, but your Gemfile requires builder 3.0.3. Consider using bundle exec.
堆棧跟蹤：
0 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.10/lib/bundler/runtime.rb 31 in `block in setup'
1 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.10/lib/bundler/spec_set.rb 12 in `block in each'
2 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.10/lib/bundler/spec_set.rb 12 in `each'
3 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.10/lib/bundler/spec_set.rb 12 in `each'
4 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.10/lib/bundler/runtime.rb 17 in `setup'
5 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/bundler-1.0.10/lib/bundler.rb 107 in `setup'
6 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/passenger-3.0.17/lib/phusion_passenger/utils.rb 326 in `prepare_app_process'
7 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/passenger-3.0.17/lib/phusion_passenger/classic_rails/application_spawner.rb 176 in `block in initialize_server'
8 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/passenger-3.0.17/lib/phusion_passenger/utils.rb 563 in `report_app_init_status'
9 /usr/local/ruby/1.9.2/lib/ruby/gems/1.9.1/gems/passenger-3.0.17/lib/phusion_passenger/classic_rails/application_spawner.rb 174 in `initialize_server'
它好像passenger激活3.0.4但我的應用程序的Gemfile仍然有3.0.3。我可以在我的Gemfile中添加gem 'builder', '3.0.4'，但當新版本發佈時它會再次發生。我怎樣才能防止這種情況發生？
「我得到了以下錯誤消息」 ......做的時候*什麼*？ –
乘客的「應用程序無法啓動」消息。此消息在應用程序啓動失敗時顯示。 –
如果您不更新乘客，並且不更改您的gemfile，則不應該有衝突。指定gem的確切補丁值將始終強制該版本。 – agmcleod