Error 1251 Reported During Login to a DB Instance on the Navicat Client After the Database Version Is Upgraded
Scenario
The following error is reported when a regular user logs in to a DB instance through the Navicat client after the database version is upgraded: 1251 - Client does not support authentication protocol requested by server;consider upgrading MySQL client.
Possible Causes
The identity authentication plugin of the username is caching_sha2_password. The database proxy does not support the caching_sha2_password plugin of RDS for MySQL 8.0, so an error is reported during the login.
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