# "zero size buf in output"

**URL:** <https://www.ruby-forum.com/t/zero-size-buf-in-output/222341>\
**Category:** NGINX\
**Created:** [August 27, 2012, 2:00pm UTC](https://www.ruby-forum.com/t/zero-size-buf-in-output/222341 "2012-08-27T14:00:15Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**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:** [August 27, 2012, 2:00pm UTC](https://www.ruby-forum.com/t/zero-size-buf-in-output/222341/1 "2012-08-27T14:00:15Z")

</div>

Hello,

We have strange messages in our error.log - but everything works.  
We tried to re-produce this in a testing-environment - but we couldn’t.

Thanks a lot  
Sandy

2012/08/23 19:14:54 [alert] 17017#0: \*1378690 zero size buf in output  
t:0  
r:0 f:0 00000000007DD3A0 00000000007DD3A0-00000000007DE6DB  
0000000000000000  
0-0 while sending to client, client: 1.2.3.4, server: [seite.com](http://seite.com),  
request:  
“GET /pathto/image.jpg HTTP/1.1”, upstream:  
“[http://192.168.55.2:80/pathto/image.jpg](http://192.168.55.2:80/pathto/image.jpg)”, host: “[www.seite.com](http://www.seite.com)”,  
referrer:  
“[http://www.seite.com/](http://www.seite.com/)”

2012/08/23 19:40:02 [alert] 17017#0: \*1383588 zero size buf in output  
t:0  
r:0 f:0 00000000007BB260 00000000007BB260-00000000007C5B75  
0000000000000000  
0-0 while sending to client, client: 1.2.3.4, server: [seite.com](http://seite.com),  
request:  
“GET /pathto/image.jpg HTTP/1.1”, upstream:  
“[http://192.168.55.2:80/pathto/image.jpg](http://192.168.55.2:80/pathto/image.jpg)”, host: “[www.seite.com](http://www.seite.com)”,  
referrer:  
“[http://www.seite.com/](http://www.seite.com/)”

2012/08/23 19:49:47 [alert] 17016#0: \*1385690 zero size buf in output  
t:0  
r:0 f:0 0000000000725010 0000000000725010-00000000007272B6  
0000000000000000  
0-0 while sending to client, client: 1.2.3.4, server: [seite.com](http://seite.com),  
request:  
“GET /pathto/image.jpg HTTP/1.1”, upstream:  
“[http://192.168.55.2:80/pathto/image.jpg](http://192.168.55.2:80/pathto/image.jpg)”, host: “[www.seite.com](http://www.seite.com)”,  
referrer:  
“[http://www.seite.com/](http://www.seite.com/)”

2012/08/23 19:49:48 [alert] 17016#0: \*1385689 zero size buf in output  
t:0  
r:0 f:0 0000000000725010 0000000000725010-000000000072A58C  
0000000000000000  
0-0 while sending to client, client: 1.2.3.4, server: [seite.com](http://seite.com),  
request:  
“GET /pathto/image.jpg HTTP/1.1”, upstream:  
“[http://192.168.55.2:80/pathto/image.jpg](http://192.168.55.2:80/pathto/image.jpg)”, host: “[www.seite.com](http://www.seite.com)”,  
referrer:  
“[http://www.seite.com/](http://www.seite.com/)”

2012/08/23 19:49:48 [alert] 17016#0: \*1385685 zero size buf in output  
t:0  
r:0 f:0 0000000000847910 0000000000847910-0000000000851E0C  
0000000000000000  
0-0 while sending to client, client: 1.2.3.4, server: [seite.com](http://seite.com),  
request:  
“GET /pathto/image.jpg HTTP/1.1”, upstream:  
“[http://192.168.55.2:80/pathto/image.jpg](http://192.168.55.2:80/pathto/image.jpg)”, host: “[www.seite.com](http://www.seite.com)”,  
referrer:  
“[http://www.seite.com/](http://www.seite.com/)”

Posted at Nginx Forum:

> **["zero size buf in output"](https://forum.nginx.org/read.php?2,230072,230072#msg-230072)**
>
> Hello, We have strange messages in our error.log - but everything works. We tried to re-produce this in a testing-environment - but we couldn't. Thanks a lot Sandy 2012/08/23 19:14:54 \[alert\] 17017#0: \*1378690 zero size buf in output

---

<div class="post-metadata">

**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Post date:** [August 27, 2012, 2:01pm UTC](https://www.ruby-forum.com/t/zero-size-buf-in-output/222341/2 "2012-08-27T14:01:51Z")

</div>

On Thursday 23 August 2012 23:58:01 double wrote:

> Hello,
> 
> We have strange messages in our error.log - but everything works.  
> We tried to re-produce this in a testing-environment - but we couldn’t.  
> […]

Do you use any 3rd-party modules?

wbr, Valentin V. Bartenev

---

<div class="post-metadata">

**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Post date:** [August 27, 2012, 2:05pm UTC](https://www.ruby-forum.com/t/zero-size-buf-in-output/222341/3 "2012-08-27T14:05:54Z")

</div>

nginx: 1.2.2  
Modules: access, map, rewrite, proxy

configure arguments: --prefix=/usr/local/nginx --with-pcre  
–without-http\_charset\_module --without-http\_gzip\_module  
–without-http\_ssi\_module --without-http\_userid\_module  
–without-http\_autoindex\_module --without-http\_geo\_module  
–without-http\_split\_clients\_module --without-http\_referer\_module  
–without-http\_uwsgi\_module --without-http\_scgi\_module  
–without-http\_memcached\_module --without-http\_empty\_gif\_module  
–without-http\_browser\_module --without-http\_upstream\_ip\_hash\_module  
–without-mail\_pop3\_module --without-mail\_imap\_module  
–without-mail\_smtp\_module --without-http\_fastcgi\_module

Posted at Nginx Forum:

> **[Re: "zero size buf in output"](https://forum.nginx.org/read.php?2,230072,230098#msg-230098)**
>
> Hello, We have strange messages in our error.log - but everything works. We tried to re-produce this in a testing-environment - but we couldn't. Thanks a lot Sandy 2012/08/23 19:14:54 \[alert\] 17017#0: \*1378690 zero size buf in output

---

<div class="post-metadata">

**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Post date:** [September 13, 2012, 9:12pm UTC](https://www.ruby-forum.com/t/zero-size-buf-in-output/222341/4 "2012-09-13T21:12:38Z")

</div>

Same problem here

# nginx -V

nginx version: nginx/1.2.3  
configure arguments: --prefix=/usr/local/etc/nginx --with-cc-opt=‘-I  
/usr/local/include’ --with-ld-opt=‘-L /usr/local/lib’  
–conf-path=/usr/local/etc/nginx/nginx.conf  
–sbin-path=/usr/local/sbin/nginx --pid-path=/var/run/nginx.pid  
–error-log-path=/var/log/nginx-error.log --user=www --group=www  
–with-file-aio --with-ipv6  
–http-client-body-temp-path=/var/tmp/nginx/client\_body\_temp  
–http-fastcgi-temp-path=/var/tmp/nginx/fastcgi\_temp  
–http-proxy-temp-path=/var/tmp/nginx/proxy\_temp  
–http-scgi-temp-path=/var/tmp/nginx/scgi\_temp  
–http-uwsgi-temp-path=/var/tmp/nginx/uwsgi\_temp  
–http-log-path=/var/log/nginx-access.log  
–add-module=/usr/ports/www/nginx/work/ngx\_http\_gunzip\_filter\_module-0.4  
–with-http\_stub\_status\_module  
–add-module=/usr/ports/www/nginx/work/nginx\_upstream\_hash-0.3.1  
–with-pcre

# uname -a

FreeBSD hostname 7.4-RELEASE-p9 FreeBSD 7.4-RELEASE-p9 #0: Mon Jun 11  
19:47:58 UTC 2012  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):/usr/obj/usr/src/sys/GENERIC amd64  
2012/09/13 15:38:03 [alert] 59568#0: \*4954010 zero size buf in output  
t:0  
r:0 f:0 0000000814EE2000 0000000814EE2000-0000000814EE4000  
0000000000000000  
0-0 while sending to client, client: 90.133.66.18, server: [hostname.ru](http://hostname.ru),  
request: “GET  
/web/upload/forall/js/jquery-1.4.2\_nyroModal-1.6.2\_validate\_capslock\_jquery-ui-1.8.4.custom.min.js  
HTTP/1.1”, upstream:  
“[http://ip:80/web/upload/forall/js/jquery-1.4.2\_nyroModal-1.6.2\_validate\_capslock\_jquery-ui-1.8.4.custom.min.js](http://ip:80/web/upload/forall/js/jquery-1.4.2_nyroModal-1.6.2_validate_capslock_jquery-ui-1.8.4.custom.min.js)”,  
host: “[delamour-ufa.ru](http://delamour-ufa.ru)”  
2012/09/13 16:05:32 [alert] 59567#0: \*5305581 zero size buf in output  
t:0  
r:0 f:0 0000000800F3A000 0000000800F3A000-0000000800F3B000  
0000000000000000  
0-0 while sending to client, client: 92.243.167.145, server:  
[hostname.ru](http://hostname.ru),  
request: “GET /web/static/js/120907/jquery.admin.plugins.min.js  
HTTP/1.1”,  
upstream:  
“[http://ip2:80/web/static/js/120907/jquery.admin.plugins.min.js](http://ip2:80/web/static/js/120907/jquery.admin.plugins.min.js)”,  
host: “[landlifes.hostname.ru](http://landlifes.hostname.ru)”, referrer:  
“[http://landlifes.storeland.ru/admin/orders](http://landlifes.storeland.ru/admin/orders)”

Posted at Nginx Forum:  
[http://forum.nginx.org/read.php?2,230072,230696#msg-230696](http://forum.nginx.org/read.php?2,230072,230696#msg-230696)
