Why Am I Getting \'connect ECONNREFUSED\' Error When Connecting to MySQL in My Node.js Application?

Node.js MySQL: Resolving the "connect ECONNREFUSED" Error

When deploying a Node.js application to a remote server, you may encounter the "connect ECONNREFUSED" error when attempting to establish a connection to a MySQL database. This issue typically arises when the host configuration provided in the MySQL connection parameters is incorrect.

In your specific scenario, you mention using 'myurl.at' as the host value. It's crucial to verify the accuracy of this URL. Ensure that you have correctly entered the IP address or hostname of the server where the MySQL database is located. Also, make sure that your database server is running and accessible from the remote host.

Another possible cause of this error is that the host value should be set to '127.0.0.1' instead of 'localhost' when deploying to a remote server. This change is necessary because 'localhost' refers to the local machine, which would not be accessible to the remote database server.

To resolve this issue, navigate to the section of your code where you establish the connection to the MySQL database. Replace the 'localhost' value with '127.0.0.1' in the host configuration.

Once you have made these changes, restart your Node.js server and attempt to load the page again. The application should now be able to successfully connect to the MySQL database without encountering the "connect ECONNREFUSED" error.

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