new requests are not updated in nginx

[Jonathan Matthews]

On 6 Jul 2013 18:11, "prasunb" <nginx-forum at nginx.us> wrote:
>
> Hello,
>         I have installed nginx as proxy server for our project purposes.
We
> kept our application in our private lan and made that private url (say
> http://a.b.c.d:1234/appName) an entry in nginx config file
> (/etc/nginx/stes-available/web-apps ). Then restarted the nginx service to
> take effect new changes. nginx is running in 80 port and accessible from
> internet. In this way nginx had been run for last 4 months. But, suddenly
it
> stopped updating itself. I mean whatever new url I do add in the config
> file, nginx is not redirecting any request to the real application.
>
>         I have tracked the ports using tcpdump. nginx receiving the
request, but it
> is not forwarding the request towards real server. I have checked the
access
> log file and the error.log file, but no error is logged there.

Check that your restart script is REALLY restarting the process. Check the
PID age.

I've seen this before on certain OSes where a restart with configuration
errors present resulted in silent failure and no restart.

HTH,
Jonathan
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