红宝石LoadError mysql2/mysql2需要

Question

我试图在OSX 10.8上设置我的Rails服务器，但我无法让我的Rails服务器运行。
- 目前我在MySQL 5.1中使用Zend Server。
- 我也有istalled brew和brew mysql。
- 我用：
gem install mysql2 -- --srcdir=/usr/local/mysql/include --with-opt-include=/usr/local/mysql/include
服务器已经工作，但现在，我总是得到这个loadError下面。

这是我的Gemfile说什么：

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. 

而且开始rails s

/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>' 

THX对于任何帮助后！

Answer 1

检查该解决方案：

• http://railsforum.com/viewtopic.php?id=50501
• rake db:migrate giving error for mysql2

Answer 2

之后，我改变了我的database.yml如下：

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

让我用我的地方zend MySQL套接字。 在我的情况下， “” 无法连接到MySQL服务器上的 '127.0.0.1'（61）（Mysql2 ::错误）”就不见了。

THX @dinnouti以上的有用链接。