Ruby on Rails 3 无法通过 OSX 上的套接字“/tmp/mysql.sock"连接到本地 MySQL 服务器

2021-11-20 00:00:00 macos mysql ruby-on-rails-3

我有一个标准的 Rails3 环境，RVM 1.2.9，Rails 3.0.5，Ruby 1.9.2p180，MySQL2 Gem 0.2.7，mysql-5.5.10-osx10.6-x86_64

I have a standard Rails3 environment, RVM 1.2.9, Rails 3.0.5, Ruby 1.9.2p180, MySQL2 Gem 0.2.7, mysql-5.5.10-osx10.6-x86_64

运行 rake db:migrate 以创建数据库时出现的错误是:

Error I get when running rake db:migrate to create database is:

Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

config/database.yml 有

config/database.yml has

development:
  adapter: mysql2
  host: localhost
  username: root
  password: xxxx
  database: xxxx

肯定是我遗漏了一些简单的东西.

sure it's something simple I'm missing.

推荐答案

首先，找到你的socket文件:

First, to find your socket file:

mysqladmin variables | grep socket

对我来说，这给:

| socket                                            | /tmp/mysql.sock                                                                                                        |

然后，在您的 config/database.yml 中添加一行:

Then, add a line to your config/database.yml:

development:
  adapter: mysql2
  host: localhost
  username: root
  password: xxxx
  database: xxxx
  socket: /tmp/mysql.sock

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