Upgrading to MySQL 8.0 : Default Authentication Plugin Considerations
If you are upgrading your server to MySQL 8.0 and observe that your application is experiencing error related caching_sha2_password plugin, it is likely because your clients/connectors does not (yet) support caching_sha2_password plugin. To resolve this issue, you may consider using mysql_native_password as default authentication for MySQL 8.0 server.…
Source: Upgrading to MySQL 8.0 : Default Authentication Plugin Considerations
