The last packet successfully received from the server was 0 millis

备注：本人遇到并处理的方式

1.问题

Communications link failure The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,020 milliseconds ago.
从服务器成功接收到的最后一个数据包是10020毫秒以前。最后一个成功发送到服务器的数据包是10020毫秒前。

 Communications link failure  The last packet successfully received from the server was 10,020 milliseconds ago. The last packet sent successfully to the server was 10,020 milliseconds ago.
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2.处理

1.首先查看当前数据库全局wait_timeout的时间

	show global variables like '%wait_timeout%'; 
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2.设置

	将wait_timeout 和interactive_timeout 设置的大一点。默认是8小时(28800)。
	set global wait_timeout=604800;
	set global interactive_timeout=604800;
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3.重启数据库

	重启数据库：service mysql restart 
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