How to resolve MySQL connection error in Navicat?
When connecting to MySQL using Navicat, you may encounter various errors. Here are some common errors and their solutions:
- Error message: 1045 – User ‘username’@’localhost’ denied access (password provided: YES)
- Solution: Verify that the username and password are correct, and ensure that you have permission to connect to the MySQL server.
- Error message: 2003 – Unable to establish connection with MySQL server on ‘localhost’ (10061 “Unknown error”)
- Solution: Check if the MySQL server is running and ensure that the connection parameters are configured correctly, such as the hostname, port number, etc.
- Error message: 2006 – The MySQL server has disconnected.
- Solution: Increase the timeout time of the MySQL server or adjust connection parameters, such as increasing the value of max_allowed_packet.
- Error message: 2013 – Connection to MySQL server lost while executing query.
- Solution: Increase the timeout duration for the MySQL server or adjust the connection parameters, and ensure a stable network connection.
- Error message: 1049 – The database ‘database_name’ is unknown.
- Solution: Make sure the database name is spelled correctly and that the database has been created.
- Error message: 2002 – Unable to connect to the local MySQL server using socket ‘/var/run/mysqld/mysqld.sock’
- Solution: Verify the correct socket file path for the MySQL server and ensure that the MySQL server is running.
If the above methods still fail to solve the problem, it is suggested to check firewall settings, network connections, and other possible factors that may affect the MySQL connection. Additionally, detailed documentation and support resources are available on the Navicat official website and MySQL official website to further search for solutions or contact technical support.
