Why Am I Getting a \'No such file or directory\' Error When Migrating a Laravel Project on a Mac?

Setting up Laravel on Mac: Troubleshooting "No such file or directory" Error during Migration

When setting up a Laravel project on a Mac using MAMP, you might encounter an error while running php artisan migrate. This error typically occurs due to a missing or incorrect database configuration.

Error Details

The error, "PDOException [SQLSTATE[HY000] [2002] No such file or directory`," indicates that the application cannot find the database connection. This could happen for several reasons:

1. Incorrect Database Configuration: The config/database.php file contains incorrect database credentials or host name.
2. Missing SQL Server Socket: MAMP uses a different socket path than the default MySQL socket. If the unix_socket key is not set in the database configuration, the application will not be able to connect to the database.

Solution

To resolve this error, check the following:

1. Verify Database Configuration: Confirm that the database username, password, and hostname in config/database.php are correct. If using MAMP, ensure that the host value is set to localhost or 127.0.0.1.
2. Add Unix Socket Configuration: For MAMP users, add the unix_socket key to the mysql database configuration in config/database.php. Set it to the path of the MySQL socket file in MAMP, which is typically '/Applications/MAMP/tmp/mysql/mysql.sock'.

Example Database Configuration:

<code class="php">'mysql' => array(
    'driver'    => 'mysql',
    'host'      => 'localhost',
    'unix_socket'   => '/Applications/MAMP/tmp/mysql/mysql.sock',
    'database'  => 'essays',
    'username'  => 'root',
    'password'  => 'root',
    'charset'   => 'utf8',
    'collation' => 'utf8_unicode_ci',
    'prefix'    => '',
),</code>

After making these changes, re-run php artisan migrate to complete the database migration. If the issue persists, check for any additional errors or consult the Laravel documentation for further assistance.

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