Access denied Error in MySQL and Drupal

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Question :

We are trying to deploy a Drupal application on our production server.

We see this strange error Lost connection to MySQL server at ''Access denied root@ipaddres password(yes) after deploying.

We made all necessary corrections in settings.php and also give GRANTs to the webserver to access the database. The webserver and the database server are physically two different machines.

We are able to connect to the database server from our web server through the command line.

There is no firewall enabled on either server.

Any update we make to the database means the site goes down and displays an ACCESS DENIED error.

Can any one guide me to resolve this issue?


Answer :

  1. May be lame to do this but worthy to double check the username and password and ip. “Copy paste the exact connect string in commandline”

  2. Triage more by only keeping DB connection from app/web server and check the DB connectivity functionality and see if the issue repeats. If yes, do the same from someother host with same app/web interface server version. [with this we can be sure that the host is no problem] .

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