库未加载:libmysqlclient.16。在OS X 10.6上使用mysql2 gem运行'rails server'时出现dylib错误

我已经为此纠结了一段时间。

我已经在我的雪豹机器上安装了Rails 3, gem, mysql。一切都很顺利，直到我创建了我的第一个项目并试图运行

rails server

在运行这个我得到:

jontybrook$ rails server
/Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle: dlopen(/Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.16.dylib (LoadError)
  Referenced from: /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle
  Reason: image not found - /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle
    from /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2.rb:7
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in `each'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in `each'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.0.7/lib/bundler.rb:112:in `require'
    from /Users/jontybrook/Dropbox/CODING/simple_cms/config/application.rb:7
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/commands.rb:28:in `require'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/commands.rb:28
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/commands.rb:27:in `tap'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/commands.rb:27
    from script/rails:6:in `require'
    from script/rails:6
jontybrook$

据我所知，问题是与mysql2宝石。MySQL似乎运行良好，我的Gemfile引用mysql2，我的数据库。Yml文件似乎也可以。

错误中提到

Reason: image not found - /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle

然而,

jontybrook$ cd /Library/Ruby/Gems/1.8/gems/mysql2-0.2.6/lib/mysql2
jontybrook$ ls
client.rb   em.rb       error.rb      mysql2.bundle result.rb

MySQL2。捆绑在那里!?

如果我使用旧的mysql gem, WEBrick启动正常。但这并不理想，不是吗?

谷歌能给我的我都试过了!任何帮助都非常感激。

当前回答

这个方法对我来说非常有效:

将以下内容添加到~/.profile中

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

http://www.rickwargo.com/2010/12/16/installing-mysql-5-5-on-os-x-10-6-snow-leopard-and-rails-3/

2011-02-16 10:02:21

其他回答

打开一个终端，运行如下命令:

export PATH=$PATH:/usr/local/mysql/bin

它应该会起作用。

2016-09-16 11:12:12

这个方法对我来说非常有效:

将以下内容添加到~/.profile中

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

http://www.rickwargo.com/2010/12/16/installing-mysql-5-5-on-os-x-10-6-snow-leopard-and-rails-3/

2011-02-16 10:02:21

我在使用Django时遇到了这个问题，我使用brew安装了很多开源程序，我需要做以下工作，因为我使用brew安装mysql:

sudo ln -s /usr/local/Cellar/mysql/5.5.20/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib

请确保替换为您版本的库!

2012-04-16 05:04:32

Bundle install mysql——force帮助了我。它重新安装依赖，这是由于brew卸载mysql的结果。

2016-01-12 16:22:08

我是这样做的:

我运行下面的命令 18.执行install_name_tool -change libmysqlclient. sh命令。dylib /usr/local/mysql/lib/libmysqlclient.18。dylib ~ / .rvm /珠宝/ ruby-1.9.2-p180 /珠宝/ mysql2-0.2.7 / lib / mysql2 / mysql2.bundle

我的环境: $ rails -v Rails 3.0.6

$ mysql mysql version 14.14 Distrib 5.5.11，用于osx10.6 (i386)，使用readline 5.1

$ ruby -v Ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.7.0]

希望这能帮助到一些人。

2011-04-12 06:43:08

库未加载:libmysqlclient.16。在OS X 10.6上使用mysql2 gem运行'rails server'时出现dylib错误

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