Solve the problem of Navicat for MySQL reporting 2005 error when connecting to MySQL

In the previous article, I introduced how to solve the problem of Navicat for Mysql connection error 1251 (connection failed). Today, I will introduce the problem of Navicat for MySQL connecting to MySQL and reporting error 2005.
About Navicat for MySQL connection MySQL reported 2005 -Unknown MySQL server host 'localhost' (0) error and solution

2005 Error reason:

After the local MySQL service is started, some functions of Navicat require an Internet connection to be used. Since the error message says that the host's localhost cannot be connected, localhost needs to be resolved by DNS before it becomes the local loopback address 127.0.0.1. In the case of a disconnected network, localhost is a string without resolution.

Solution:

1. Solve the network problem and successfully connect to the Internet. 2. When there is no Internet, open the connection properties and change the host name or IP address of localhost to 127.0.0.1.

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