I can't find the reson of this error ,maybe about php-fpm?

ultrawind nginx-forum at nginx.us
Wed Jun 2 11:06:41 MSD 2010

and visit the result is: 
The page you are looking for is temporarily unavailable.
Please try again later.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,93454,93455#msg-93455

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