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How to Fix 'Can't connect to local MySQL server through socket '/tmp/mysql.sock'' in Ruby on Rails 3 on OSX?

Barbara Streisand
Release: 2024-11-11 00:07:03
Original
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How to Fix

Connecting to MySQL with socket in Ruby on Rails 3 on OSX

When attempting to create a database through Ruby on Rails 3 using the rake db:migrate command, one might encounter the error: "Can't connect to local MySQL server through socket '/tmp/mysql.sock'". This error indicates an issue in establishing a connection between Rails and the MySQL server.

To resolve this issue, it is necessary to specify the socket file in the config/database.yml file:

  1. Find the socket file: Execute the following command to locate the socket file:
mysqladmin variables | grep socket
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  1. Add the socket to config/database.yml: Open the config/database.yml file and add the following line under the "development" configuration:
socket: /tmp/mysql.sock
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Here is an example of a complete config/database.yml configuration with the socket specified:

development:
  adapter: mysql2
  host: localhost
  username: root
  password: xxxx
  database: xxxx
  socket: /tmp/mysql.sock
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Once these steps are completed, the connection to the MySQL server should be established successfully, and the rake db:migrate command should execute without any errors.

The above is the detailed content of How to Fix 'Can't connect to local MySQL server through socket '/tmp/mysql.sock'' in Ruby on Rails 3 on OSX?. For more information, please follow other related articles on the PHP Chinese website!

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