Access denied for user appears when using mycat agent to connect to the database

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background: according to the mycat document, try to build a mycat+MariaDB service on a Tencent Cloud. Then try to access the data with Navicat (using port 8099 of mycat) and Access denied for user "test"
check:

    ---->

Objective-c mycat mariadb

Mar.06,2021

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