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Warning: mysqli_connect(): Error while reading greeting packet. PID=4087 in /data/webroot/CI/Ci_system/database/drivers/mysqli/mysqli_driver.php on line 73

Warning: mysqli_connect(): (HY000/2006): MySQL server has gone away in /data/webroot/CI/Ci_system/database/drivers/mysqli/mysqli_driver.php on line 73
Can not connect to mysql, account:shanghai, server:192.168.10.249:3306