Incomplete response received from application/2006, 'MySQL server has gone away'
sudosystemctlrestartnginxless/var/log/nginx/error.log使用flask操作mysql时,运行长时间的任务,一开始操作一次数据库,20个小时后再次操作数据库.过了20多个小时,再次操作数据库时报错.raisedunexpected:OperationalError(2006,‘MySQLserverhasgoneaway’)Traceback(mos