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.
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.
解决方案:
mysql数据库url中添加了autoReconnect=true&failOverReadOnly=false
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