在连接字符串中 添加设置节点 ConnectionLifeTime(计量单位为 秒).超过设定的连接会话 会被杀死! Connection Lifetime, ConnectionLifeTime 0 When a connection is returned to the pool, its creation time is compared with the current time, and the connection is destroyed if that time span (i
语言:javaEE 框架:spring mvc+spring+mybatis 数据库:mysql8 WEB服务器:tomcat8 背景: 在试运营阶段发现发生“连接超时”异常 抛出异常: Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 353,479,051 milliseconds ago. The
1. 增加 MySQL 的 wait_timeout 属性的值. 修改 /etc/mysql/my.cnf文件,在 [mysqld] 节中设置: # Set a connection to wait 8hours in idle status. wait_timeout =86400 将这2个参数设置为24小时(60*60*24=604800)即可. set interactive_timeout=604800; set wait_timeout=604800; 2. 减少连接池内连接的生