Communications link failure；；The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

本文轉載自查看原文 2017-11-16 11:10 1861 Bugs

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure；；The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

解決方案：

mysql數據庫url中添加了autoReconnect=true&failOverReadOnly=false

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