Upstream timeout issue

[elgreco]

Its fixed



elgreco Wrote:
-------------------------------------------------------
> I setup an upstream configuration with only one
> server for now, i will add a new one in a while.
> 
> im experiencing a strange error now and then when
> users are uploading files to a form they get
> sometimes  in the browser ERROR 502 bad gateway
> and on nginx error logs i get
> 
> 
> 2011/01/10 08:07:31  28135#0: *606977 upstream
> timed out (110: Connection timed out) while
> reading response header from upstream, client:
> XXX.XXX.XXX.XXX, server: , request: "POST
> /UserDetails.aspx?CultureId=1 HTTP/1.1", upstream:
> "http://backend1:80//UserDetails.aspx?CultureId=1"
> , host: "host.host.com", referrer:
> "http://host.host.com/UserDetails.aspx?CultureId=1
> "
> 
> 2011/01/10 08:07:31  28135#0: *606977 no live
> upstreams while connecting to upstream, client:
> XXX.XXX.XXX.XXX, server: , request: "POST
> /UserDetails.aspx?CultureId=1 HTTP/1.1", upstream:
> "http://backend/UserDetails.aspx?CultureId=1",
> host: "host.host.com", referrer:
> "http://host.host.com/UserDetails.aspx?CultureId=1
> "
> 
> 
> now i dont know what is the exact issue, or the
> upload timeout or maybe DNS issues..could it be
> IPv6 dns resolving the problem?
> 
> When the users upload directly to the server they
> dont get any timeout or errors.
> 
> Thanks in advance

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,165055,165301#msg-165301