Java连接MySQL报错：CommunicationsException: Communications link failure

现象：

报错：Exception in thread "main" com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

解决办法：

更换 mysql-connector-java-8.0.11.jar 为 mysql-connector-java-8.0.16.jar，

下载位置：https://mvnrepository.com/artifact/mysql/mysql-connector-java/8.0.16

原因分析：

可能是 mysql-connector-java-8.0.11.jar 存在BUG，新版本8.0.16中被解决。

原文地址：https://www.cnblogs.com/jtzhang163/p/10891569.html

时间： 2024-10-31 14:53:12

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