ruby on rails mac x os lion运行服务器LoadError

Question

当我在终端上键入rails服务器时,出现以下错误.我不知道如何解决它.有人能给我一个帮助吗？而且我还需要一个ruby on rails mac os x Lion安装教程.

:simple_cms benhuayang$ rails server
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/mysql2-0.3.11/lib/mysql2.rb:9:in `require':
dlopen(/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/mysql2-0.3.11/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.18.dylib (LoadError)  
Referenced from:
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/mysql2-0.3.11/lib/mysql2/mysql2.bundle
Reason: image not found -
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/mysql2-0.3.11/lib/mysql2/mysql2.bundle   from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/mysql2-0.3.11/lib/mysql2.rb:9:in `<top (required)>'    from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:68:in `require'     from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:68:in `block (2 levels) in require'     from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:66:in `each'    from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:66:in `block in require'    from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:55:in `each'    from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:55:in `require'     from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/gems/bundler-1.0.21/lib/bundler.rb:122:in `require'    from
/Users/benhuayang/Sites/simple_cms/config/application.rb:7:in `<top (required)>' from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/commands.rb:53:in `require'     from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/commands.rb:53:in `block in '   from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/commands.rb:50:in `tap'     from
/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/gems/railties-3.2.1/lib/rails/commands.rb:50:in `<top (required)>'  from
script/rails:6:in `require'     from
script/rails:6:in `<main>'

这是mysql的路径

/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0/bin:/Users/benhuayang/.rvm/gems/ruby-1.9.3-p0@global/bin:/Users/benhuayang/.rvm/rubies/ruby-1.9.3-p0/bin:/Users/benhuayang/.rvm/bin:/opt/local/bin:/opt/local/sbin:/usr/local/mysql/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin

Answer 1

当我在过去碰到这个时,我已经使用了以下解决方案.

在终端中,运行:

export DYLD_LIBRARY_PATH="$DYLD_LIBRARY_PATH:/usr/local/mysql/lib"

然后尝试rails server在应用程序的根目录中运行您的命令.如果它工作,只需将相同的命令放入〜/ .profile,以便每次进入终端时它都会运行.