mysql “Communications link failure due to underlying exception”有关问题

mysql “Communications link failure due to underlying exception”问题MySQL默认的空闲等待时间是8个小时

mysql “Communications link failure due to underlying exception”问题

MySQL默认的空闲等待时间是8个小时,一旦空闲超过8个小时,就会抛出“Communications link failure due to underlying exception”异常,修改/etc/my.cnf(windows下为my.ini),将超时时间设置为30天,在[mysqld]后面加入:wait_timeout=2592000,重启。