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解决：Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

本文转载自  查看原文  2022-04-16 22:12  816 

使用了阿里的数据库连接池Driu报错。解决方法：在配置文件URL末尾加&useSSL=false


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猜您在找 Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure问题解决 mysql报错:Caused by: com.mysql.cj.exceptions.CJCommunicationsException: The last packet successfully received from the server was com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure 解决：com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure（真实有效） 异常解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 异常解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 异常解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 【MySQL8.0】com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure MySQL报错：com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
 
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