How do I fix failed to connect to MySQL?

How do I fix MySQL connection error?

Some permanent solutions are:1Determine what is wrong with your DNS server and fix it.2Specify IP addresses rather than host names in the MySQL grant tables.3Put an entry for the client machine name in /etc/hosts on Unix or \windows\hosts on Windows.4Start mysqld with the skip_name_resolve system variable enabled.6.2.22 Troubleshooting Problems Connecting to MySQL

How do I fix MySQL host is not allowed to connect to this server?

Workaround1Open your MySQL Terminal; In Linux: ... 2Run the following queries: ... 3Once it's verified that the root user only has permission to connect in localhost, run the following query: ... 4If you want to, run the first query again to verify that the root user has the connect permission with JIRA's server IP;Host 'xxxxxxx' is not allowed to connect to this MySQL server | Jira

How do I connect to a MySQL database?

To Connect to a MySQL Database1Click Services tab.2Expand the Drivers node from the Database Explorer. ... 3Enter User Name and Password. ... 4Click OK to accept the credentials. ... 5Click OK to accept the default schema.6Right-click the MySQL Database URL in the Services window (Ctrl-5).Connecting to a MySQL Database