Here are a few title options that are question-based, fit the article\'s content, and are in English: * MySQL Connection Failure in Sequel Pro: Why Can\'t I Connect? * Sequel Pro and MySQL Authentica

Troubleshooting MySQL Connection Failure in Sequel Pro

When attempting to connect to a MySQL database using Sequel Pro on macOS, you may encounter the following error:

Unable to connect to host 127.0.0.1, or the request timed out.

This issue arises because Sequel Pro has yet to adapt to a recent change in MySQL user authentication. The error message specifically indicates that the authentication plugin caching_sha2_password is not found.

Solution: Modifying Authentication Settings

To resolve this issue, you will need to manually update the authentication settings for MySQL. Here are the steps to follow:

1. Update MySQL Configuration:

   • Edit the my.cnf configuration file, typically located at /etc/my.cnf.

   • In the [mysqld] section, add the following line:

     default-authentication-plugin=mysql_native_password

2. Change Root Password:

   • Connect to the MySQL server from the terminal using mysql -u root -p.

   • Once connected, execute the following command to change the root password to one compatible with the mysql_native_password plugin:

     ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '[new password]';

3. Restart MySQL Service:

   • Exit the MySQL shell and restart the MySQL service using the following command:

     brew services restart mysql

After completing these steps, Sequel Pro should be able to connect to the MySQL database without issue.

Note: For non-homebrew MySQL installations, a destructive quick fix is available by initializing the database through System Preferences and selecting "Use legacy password." However, this method will delete existing tables.

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