在 Rails 3.1RC4 上使用 mysql

Question

我无法让 rails 3.1RC4 与 mysql 一起使用...？

我刚刚制作了一个新的测试应用，但它也失败了？

我做了：rails new blog2 -d mysql

然后在我的 gemfile 中：gem 'mysql2'

在database.yml文件中：

development:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: blog2_development
  pool: 5
  username: root
  password: password
  socket: /tmp/mysql.sock

现在当我运行 rails s 时

我收到以下错误：

MacBook-van-T-Boeree:blog2 tboeree$ rails s
/Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.3.6/lib/mysql2.rb:9:in `require': dlopen(/Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.3.6/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.18.dylib (LoadError)
  Referenced from: /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.3.6/lib/mysql2/mysql2.bundle
  Reason: image not found - /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.3.6/lib/mysql2/mysql2.bundle
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/mysql2-0.3.6/lib/mysql2.rb:9:in `<top (required)>'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler/runtime.rb:68:in `require'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler/runtime.rb:66:in `each'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler/runtime.rb:66:in `block in require'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler/runtime.rb:55:in `each'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler/runtime.rb:55:in `require'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/bundler-1.0.15/lib/bundler.rb:120:in `require'
    from /Users/tboeree/Dropbox/rails_projects/blog2/config/application.rb:7:in `<top (required)>'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.1.0.rc4/lib/rails/commands.rb:52:in `require'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.1.0.rc4/lib/rails/commands.rb:52:in `block in <top (required)>'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.1.0.rc4/lib/rails/commands.rb:49:in `tap'
    from /Users/tboeree/.rvm/gems/ruby-1.9.2-p180/gems/railties-3.1.0.rc4/lib/rails/commands.rb:49:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'

捆绑安装：

MacBook-van-T-Boeree:blog2 tboeree$ bundle install
Using rake (0.9.2) 
Using multi_json (1.0.3) 
Using activesupport (3.1.0.rc4) 
Using bcrypt-ruby (2.1.4) 
Using builder (3.0.0) 
Using i18n (0.6.0) 
Using activemodel (3.1.0.rc4) 
Using erubis (2.7.0) 
Using rack (1.3.2) 
Using rack-cache (1.0.2) 
Using rack-mount (0.8.2) 
Using rack-test (0.6.1) 
Using hike (1.2.0) 
Using tilt (1.3.2) 
Using sprockets (2.0.0.beta.13) 
Using tzinfo (0.3.29) 
Using actionpack (3.1.0.rc4) 
Using mime-types (1.16) 
Using polyglot (0.3.2) 
Using treetop (1.4.10) 
Using mail (2.3.0) 
Using actionmailer (3.1.0.rc4) 
Using arel (2.1.4) 
Using activerecord (3.1.0.rc4) 
Using activeresource (3.1.0.rc4) 
Using ansi (1.3.0) 
Using bundler (1.0.15) 
Using coffee-script-source (1.1.2) 
Using execjs (1.2.4) 
Using coffee-script (2.2.0) 
Using rack-ssl (1.3.2) 
Using rdoc (3.9.1) 
Using thor (0.14.6) 
Using railties (3.1.0.rc4) 
Using jquery-rails (1.0.12) 
Using mysql2 (0.3.6) 
Using rails (3.1.0.rc4) 
Using sass (3.1.7) 
Using sass-rails (3.1.0.rc.5) 
Using turn (0.8.2) 
Using uglifier (1.0.0) 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.

我正在使用 macbook 并在我输入 mysql --version 时从 mysql 安装了 32 位版本我看到了这个版本：mysql Ver 14.14 Distrib 5.5.15, for osx10.6 (i386) using readline 5.1

并且服务器已启动...

有什么建议吗？ 问候， 泰斯

Answer 1

查看其他答案后，您需要将 mysql gem 指向已安装的库

sudo install_name_tool -change libmysqlclient.16.dylib /usr/local/mysql/lib/libmysqlclient.16.dylib ~/.rvm/gems/ruby-1.9.2-p136/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle

是神奇的命令