# Record log of full error response? **URL:** \ **Category:** NGINX\ **Created:** [September 26, 2012, 12:15pm UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229 "2012-09-26T12:15:30Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![aris](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/258eb7/32.png) [@aris](https://www.ruby-forum.com/u/aris)\ **Post date:** [September 26, 2012, 12:15pm UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229/1 "2012-09-26T12:15:30Z")
Hello nginxers, I’ve read about the error\_page[1] config setting and it’s great. However serving a custom page instead of the error and just storing the error code in an entry in /var/nginx/log/error.log is not enough for me: I need to log the full page (the response besides the http status code). Is there any way to do this? Any config setting I missed? Or any nginx module that allows it? Thanks, Andres [1] [http://wiki.nginx.org/HttpCoreModule#error\_page](http://wiki.nginx.org/HttpCoreModule#error_page) ---
**Author:** ![Andres\_GSAragonese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/9dc877/32.png) [@Andres\_GSAragonese](https://www.ruby-forum.com/u/Andres_GSAragonese)\ **Post date:** [September 26, 2012, 2:28pm UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229/2 "2012-09-26T14:28:11Z")
> serving a custom page instead of the error and just storing the error code > in an entry in /var/nginx/log/error.log is not enough for me: I need to > log the full page (the response besides the http status code). > Is there any way to do this? Any config setting I missed? This suggests your are using dynamic language (like php) for serving error pages, right? While it probably could be done with nginx itself (with using lua/perl modules) in case of php you could just buffer the whole output ( [PHP: ob\_start - Manual](http://php.net/manual/en/function.ob-start.php) ) and store wherever you want. rr ---
**Author:** ![Andres\_GSAragonese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/9dc877/32.png) [@Andres\_GSAragonese](https://www.ruby-forum.com/u/Andres_GSAragonese)\ **Post date:** [September 26, 2012, 8:36pm UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229/3 "2012-09-26T20:36:49Z")
On 26/09/12 13:27, Reinis R. wrote: > > serving a custom page instead of the error and just storing the error > > code in an entry in /var/nginx/log/error.log is not enough for me: I > > need to log the full page (the response besides the http status code). > > Is there any way to do this? Any config setting I missed? > > This suggests your are using dynamic language (like php) for serving > error pages, right? Why? No. I’m using a VM (that allows dynamic and static languages on top, but the question of what kind of typing my language has I guess is already out of topic). > While it probably could be done with nginx itself (with using lua/perl > modules) in case of php you could just buffer the whole output ( > [PHP: ob\_start - Manual](http://php.net/manual/en/function.ob-start.php) ) and store wherever you > want. I’m using fastcgi for the communication between nginx and the application server. Do you think there is some setting in the fastcgi configuration that would help me? Thanks ---
**Author:** ![Andres\_GSAragonese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/9dc877/32.png) [@Andres\_GSAragonese](https://www.ruby-forum.com/u/Andres_GSAragonese)\ **Post date:** [September 27, 2012, 1:08am UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229/4 "2012-09-27T01:08:35Z")
> I’m using fastcgi for the communication between nginx and the application > server. > Do you think there is some setting in the fastcgi configuration that would > help me? You can try to use fastcgi\_store ( [GitHub - nginxinc/nginx-wiki: ARCHIVED -- Source for the now archived NGINX Wiki section of https://www.nginx.com · GitHub](http://wiki.nginx.org/HttpFastcgiModule#fastcgi_store) ) - it allows nginx to store the response from backend locally. rr ---
**Author:** ![Andres\_GSAragonese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/9dc877/32.png) [@Andres\_GSAragonese](https://www.ruby-forum.com/u/Andres_GSAragonese)\ **Post date:** [September 26, 2012, 8:40pm UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229/5 "2012-09-26T20:40:20Z")
On 26/09/12 19:35, Andres G. Aragoneses wrote: > On 26/09/12 13:27, Reinis R. wrote: > > > > serving a custom page instead of the error and just storing the error > > > code in an entry in /var/nginx/log/error.log is not enough for me: I > > > need to log the full page (the response besides the http status code). > > > Is there any way to do this? Any config setting I missed? > > > > This suggests your are using dynamic language (like php) for serving > > error pages, right? BTW, I’m not trying to log the error page I want to serve, but the error page I got from the fastcgi source. ---
**Author:** ![Andres\_GSAragonese](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/9dc877/32.png) [@Andres\_GSAragonese](https://www.ruby-forum.com/u/Andres_GSAragonese)\ **Post date:** [September 28, 2012, 2:37am UTC](https://www.ruby-forum.com/t/record-log-of-full-error-response/223229/6 "2012-09-28T02:37:41Z")
On 27/09/12 00:08, Reinis R. wrote: > > I’m using fastcgi for the communication between nginx and the > > application server. > > Do you think there is some setting in the fastcgi configuration that > > would help me? > > You can try to use fastcgi\_store ( > [GitHub - nginxinc/nginx-wiki: ARCHIVED -- Source for the now archived NGINX Wiki section of https://www.nginx.com · GitHub](http://wiki.nginx.org/HttpFastcgiModule#fastcgi_store) ) - it allows > nginx to store the response from backend locally. Thanks Reinis, I’ll give that a go.