由于mysql错误，PHP cronjob失败

我从cpanel设置了一个cronjob，但意外地导致了mysql错误

This is the command i set from CPANEL:

php-f/home/server1/public_html/xad/imp.php

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你的堆栈看起来像什么？假设这在本地运行不正确？当cron调用您的页面时，您确定数据库凭据设置正确吗？@Mark，我看不到堆栈，我没有服务器访问权限，但服务器人员在命令行上执行脚本，它就可以工作了。但不能作为CronJob工作。@vlzvl，数据库凭据正常。MySQL用户拥有完全的权限，相同的用户名和密码已经在站点上运行。

It need to be executed after half hour.

1) This job runs from browser without issue. 

2) Also it runs from commandline correclty.
**root@server1 [~]# php -f /home/server1/public_html/xad/imp.php**


But it failed from cpanel cronjob setting and cause mySQL Error:

**Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)**

I am using pconnect as below:
$link = mysql_pconnect($hostName, $userNam_souq, $password) or die(mysql_error());