Mysql connection error solution

Problem description

alibaba.druid.support.logging.JakartaCommonsLoggingImpl.error occurs when jdbcTemplate operates the database
The visual graphics tool connects to MySQL and reports an error: 2059 - authentication plugin 'caching_sha2_password' cannot be loaded...

Resolution to alibaba.druid.support.logging.JakartaCommonsLoggingImpl.error`

An error occurred as shown

Database connection pool configuration:

Database version

This error is because the database connection is not supported. The local database version is version 8.0.29, and then the database connection dependency package used in the idea is mysql-connector-java version 5.1.7, the version is too low,Version 8.0 database is not supported

Download version 8.0 databaseThe problem can be solved by importing the connection dependency package.
Download location of MySQL8.0 connector JAR package
Download address: https://dev.mysql.com/downloads/connector/j/

option to download zip file as shown

After decompression, you can get the dependency package of 8.0

Import and delete the 5.0 version dependency to solve the problem

Resolve the error when connecting to MySQL with visual graphics tools: 2059 - authentication plugin ‘caching_sha2_password‘ cannot be loaded…

sqlyog version

Name: ddooo;
Certificate key: 8d8120df-a5c3-4989-8f47-5afc79c56e7c

The reason for this problem is because the version of the visual graphics tool I am using is too low.
The encryption method selected when installing mysql is the 8.0 encryption method. The default authentication plug-in is different, so the plug-in cannot be loaded.error

Description
1.mysql5.7 default is mysql_native_password;
2.mysql8.0 default is caching_sha2_password

Change MySQL 8.0 authentication plugin back to mysql_native_password

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'root';

Refresh permissions

FLUSH PRIVILEGES;

You can connect successfully