Fastcgi_cache sometimes returns statuscode 500

[mastercan]

Maxim Dounin Wrote:
-------------------------------------------------------
> Hello!
> 
> Try looking into the error log.  When nginx returns 500, it used to 
> complain to the error log explaining the reason.
> 

Unfortunately the error log for that vhost does not reveal anything at the
specific times in question...

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,256977,256980#msg-256980