Navicat connects to database error code and solution

Common errors and solutions when connecting to databases: Username or password (Error 1045) Firewall blocks connection (Error 2003) Connection timeout (Error 10060) Unable to use socket connection (Error 1042) SSL connection error (Error 10055) Too many connection attempts result in the host being blocked (Error 1129) Database does not exist (Error 1049) No permission to connect to database (Error 1000)

Common error codes and solutions for Navicat to connect to databases

Navicat is a commonly used database management tool, but you may encounter various errors when connecting to the database. Here are the common error codes and their corresponding solutions:

1. Error 1045 (28000): Access denied for user 'xxx' (using password: YES)

• Cause of error: Incorrect username or password.
• Solution: Check that the username and password are correct.

2. Error 2003 (HY000): Can't connect to MySQL server on 'xxx' (111)

• Cause of error: Unable to connect to the MySQL server, usually because the firewall blocks the connection.
• Solution: Check the firewall settings and make sure Navicat is allowed to connect to the MySQL server.

3. Error 10060 (08004): A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.

• Cause of error: The connection to the database server timed out.
• Solution: Check if the database server is running and accessible.

4. Error 1042 (2003): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

• Cause of error: Unable to connect to the local MySQL server using sockets.
• Solution: Make sure the MySQL server is using the socket '/tmp/mysql.sock' and check if the socket exists and is accessible.

5. Error 10055 (08001): MySQL said: 'SSL connection error: error:000000001:lib(0):func(0):reason(1)'

• Cause of error: The SSL connection cannot be established.
• Solution: Make sure the MySQL server is configured with SSL and make sure that Navicat is configured with the SSL certificate correctly.

6. Error 1129 (2002): Host 'xxx' is blocked because of many connection errors. Unblock with 'mysql.user' grant.

• Cause of error: Too many connections have been attempted, causing the host to be blocked.
• Solution: Wait for a while for the host to unlock automatically, or manually unlock the host using the 'GRANT' command.

7. Error 1049 (42000): Unknown database 'xxx'

• Cause of the error: The database to be connected does not exist.
• Solution: Check that the database name is correct, or create the database on the MySQL server.

8. Error 1000 (08S01): Can't create/connect to connection 'xxx' because of access denied (using password: YES)

• Cause of error: No permission to connect to the specified database.
• Solution: Grant the user permission to connect to the database.

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