Drush - SQLSTATE[HY000] [2002] No such file or directory Error

Drush is a command line tool used for managing Drupal sites. It provides a suite of commands to perform various tasks like clearing cache, updating modules and databases, enabling and disabling modules, running Cron jobs, etc. However, sometimes, while running Drush commands, you may encounter an error like the following:

SQLSTATE[HY000] [2002] No such file or directory

This error message indicates that Drush is unable to connect to the database server. There could be various reasons for this error, such as incorrect database credentials, incorrect database hostname or port number, missing database driver, etc.

Troubleshooting Steps

Here are some of the troubleshooting steps you can follow to fix this error:

1. Check Database Credentials

Make sure that the database credentials (database name, username, password) specified in settings.php file of your Drupal site are correct.

2. Check Database Hostname and Port Number

Make sure that the database hostname and port number specified in settings.php file are correct. By default, the hostname is set to localhost and port number is set to 3306. If you are using a different database server or port number, make sure to update it accordingly.

3. Check Database Driver

Make sure that the correct database driver is installed on the system. For MySQL databases, you need to have the php-mysql or php-mysqli extension installed. For PostgreSQL databases, you need to have the php-pgsql extension installed.

4. Check Database Server

Make sure that the database server is running and accessible from your system. Try to connect to the database server using the command line tool like mysql or psql and make sure that you are able to connect to the database server.

5. Check Drush Configuration File

Make sure that the Drush configuration file (drushrc.php or .drushrc.php) is properly configured to connect to the database server. Check for any incorrect or missing configuration options.

Conclusion

In this article, we have discussed the 'Drush - SQLSTATE[HY000] [2002] No such file or directory' error that you may encounter while running Drush commands. We have also provided some troubleshooting steps to fix this error. By following these steps, you should be able to identify and fix the cause of this error.