intermittent proxy_pass error - body shows headers

[chrislovecnm]

Hi all

First kudos to all of the maintainers of modules and the nginx team. 
Great product guys!!

I am getting an intermittent error where the headers of a 302 redirect
are being shown as the body in the browser.  The connect sits for a long
time and then this is show in the browser

0

HTTP/1.1 302 Moved Temporarily
Server: nginx/1.2.1
Date: Thu, 21 Jun 2012 18:09:04 GMT
Content-Length: 0
Connection: keep-alive
Keep-Alive: timeout=20
Location: https://www.myurlthatworls.com/someotherstuff?params

Ideas? config:

location /mylocation {
                        proxy_pass         https://localhost:9191;
                        proxy_redirect     off;

                        proxy_set_header   Host             $host;
                        proxy_set_header   X-Real-IP       
$remote_addr;
                        proxy_set_header   X-Forwarded-For 
$proxy_add_x_forwarded_for;
                        proxy_pass_request_headers on;

                        client_max_body_size       10m;
                        client_body_buffer_size    128k;

                        proxy_connect_timeout      90;
                        proxy_send_timeout         90;
                        proxy_read_timeout         90;

                        proxy_buffer_size          4k;
                        proxy_buffers              4 32k;
                        proxy_busy_buffers_size    64k;
                        proxy_temp_file_write_size 64k;
}


Thanks

Chris

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,227783,227783#msg-227783