解决异常：“The last packet sent successfully to the server was 0 milliseconds ago. ”的办法
今天写ssm的时候遇见一个错误， 我的报错如下 上网查了很多， 有的说是dao层xml条件参数值错误，仔细检查并没有， 有的说是一般有Illegal access: thi ...
原文：解决异常：“The last packet sent successfully to the server was 0 milliseconds ago. ”的办法
出现异常 The last packet sent successfully to the server was milliseconds ago. 的大部分原因是由于数据库回收了连接，而系统的缓冲池不知道，继续使用被回收的连接所致的。 以mysql为例： 第一种解决办法，就是将mysql回收空闲连接的时间变长，mysql默认回收时间是 小时，可以在mysql目录下的my.ini中增加下面配置， ...
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