Error: Unable to Validate Database User

Issue

While setting up a MySQL connector, the following error appears:

Unable to validate database user

Environment

Connector: MySQL

Resolution

Update your MySQL database to any version between 5.5 and 8.0. For more information, see our Supported configurations for MySQL.

Cause

The JDBC driver that we use to connect to MySQL databases is not compatible with MySQL versions lower than 5.5.