需要Ruby Gem LoadError mysql2 / mysql2

Question

我試圖在OSX 10.8上設置我的rails服務器，但我無法讓我的rails服務器運行。
- 目前我正在使用帶有mysql 5.1的Zend Server。
- 我還有brew和brew mysql 。
- 我用過：
gem install mysql2 -- --srcdir=/usr/local/mysql/include --with-opt-include=/usr/local/mysql/include
服務器已經工作但是現在，我總是在下面得到這個loadError。

這是我的Gemfile所說的：

ralphs-macbook-pro:admin-mockup zero$ bundle install
Using rake (10.0.2) 
Using i18n (0.6.1) 
Using multi_json (1.3.7) 
Using activesupport (3.2.7) 
Using builder (3.0.4) 
Using activemodel (3.2.7) 
Using erubis (2.7.0) 
Using journey (1.0.4) 
Using rack (1.4.1) 
Using rack-cache (1.2) 
Using rack-test (0.6.2) 
Using hike (1.2.1) 
Using tilt (1.3.3) 
Using sprockets (2.1.3) 
Using actionpack (3.2.7) 
Using mime-types (1.19) 
Using polyglot (0.3.3) 
Using treetop (1.4.12) 
Using mail (2.4.4) 
Using actionmailer (3.2.7) 
Using arel (3.0.2) 
Using tzinfo (0.3.35) 
Using activerecord (3.2.7) 
Using activeresource (3.2.7) 
Using annotate (2.5.0) 
Using coffee-script-source (1.4.0) 
Using execjs (1.4.0) 
Using coffee-script (2.2.0) 
Using rack-ssl (1.3.2) 
Using json (1.7.5) 
Using rdoc (3.12) 
Using thor (0.16.0) 
Using railties (3.2.7) 
Using coffee-rails (3.2.2) 
Using columnize (0.3.6) 
Using debugger-ruby_core_source (1.1.5) 
Using debugger-linecache (1.1.2) 
Using debugger (1.2.2) 
Using formtastic (2.2.1) 
Using haml (3.1.7) 
Using haml-rails (0.3.5) 
Using hirb (0.7.0) 
Using hpricot (0.8.6) 
Using jquery-rails (2.1.4) 
Using kgio (2.7.4) 
Using mysql2 (0.3.11) 
Using php_serialize (1.2) 
Using polyamorous (0.5.0) 
Using rabl (0.7.8) 
Using railroady (1.1.0) 
Using bundler (1.2.3) 
Using rails (3.2.7) 
Using raindrops (0.10.0) 
Using randumb (0.3.0) 
Using sass (3.2.3) 
Using sass-rails (3.2.5) 
Using squeel (1.0.13) 
Using uglifier (1.3.0) 
Using unicorn (4.4.0) 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled
gem is installed.

並且在啟動rails s之后

/Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/mysql2-0.3.11/lib/mysql2.rb:9:in `require': cannot load such file -- mysql2/mysql2 (LoadError)
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/mysql2-0.3.11/lib/mysql2.rb:9:in `<top (required)>'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `require'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `each'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `block in require'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `each'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `require'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/bundler-1.2.3/lib/bundler.rb:128:in `require'
from /Users/zero/GitHub/admin-mockup/config/application.rb:7:in `<top (required)>'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/railties-3.2.7/lib/rails/commands.rb:53:in `require'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/railties-3.2.7/lib/rails/commands.rb:53:in `block in <top (required)>'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/railties-3.2.7/lib/rails/commands.rb:50:in `tap'
from /Users/zero/.rvm/gems/ruby-1.9.3-p327/gems/railties-3.2.7/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'

感謝任何幫助！

Answer 1

檢查此解決方案：

• http://railsforum.com/viewtopic.php?id=50501
• rake db：migrate為mysql2提供錯誤

Answer 2

之后我改變了我的database.yml，如下所示：

development:
  adapter: mysql2
  socket: /usr/local/zend/mysql/tmp/mysql.sock
  #host: 127.0.0.1

所以我使用了我的本地zend MySQL套接字。 在我的情況下，“無法連接到'127.0.0.1'（61）（Mysql2 ::錯誤）上的MySQL服務器”已經不見了。

感謝@dinnouti上面有用的鏈接。