PDO::__construct(): MySQL server has gone away
经常出现这个错误,多刷新几下又好了,这个是什么怎么回事啊。。求解答
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"><h4>A PHP Error was encountered</h4><p>Severity: Warning</p><p>Message:PDO::__construct(): MySQL server has gone away</p><p>Filename: pdo/pdo_driver.php</p><p>Line Number: 133</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: E:\workspace\api\application\core\MY_Controller.php<br /> Line: 9<br /> Function: __construct </p> <p style="margin-left:10px"> File: E:\workspace\api\application\controllers\Testapi.php<br /> Line: 9<br /> Function: __construct </p> <p style="margin-left:10px"> File: E:\workspace\api\index.php<br /> Line: 292<br /> Function: require_once </p>
什么情况下出现的?
看看mysql开启PDO没有,看看数据包长度是不是超过了数据库允许最大值max_allowed_packet
我也遇到了相同的问题,自从升级使用最新版CI框架就出现了,之前没有出现过,请求答案!
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