0. 引言最近部署ik分词器数据库热更新报错，特此记录，以供后续参考java.sql.SQLNonTransientConnectionException: Could not create connection to database server.环境mysql8.0 es7.13.0 mysql驱动器8.0.221. 解决1、检查是否将mysql-connector-java-8.0.22....

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云数据库 RDS SQL Server 版

云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。

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