java mysql The last packet sent successfully to the server was 0 milliseconds ago.

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2016年9月27日19:07:19

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[ERROR]The last packet sent successfully to the server was 0 milliseconds ago.　　The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

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 解決方法：

（1）使用JDBC URL中使用autoReconnect屬性，url添加&autoReconnect=true&failOverReadOnly=false&maxReconnects=10

（2） 修改MySQL的參f 添加[mysqld]wait_timeout=31536000 interactive_timeout=31536000

（3）重啓mysqlservice mysql restart原因分析：

（1）大量數據訪問情況下，mysql connection連接有可能失效

（2）長時間不妨問，connection會失效