Re: Duplicate log entries

["David" <david_6758@xxxxxxx>]

I do not get sufficient hits at my website to be able to see something via
mod_status within a reasonable period of time. This duplication may happen
two or three times over a 24 hour period.

"so the appearance of two requests is apparently not simply a logging issue"

What other issues could it be?

----- Original Message ----- 
From: "Jeff Trawick" <trawick@xxxxxxxxx>
To: <users@xxxxxxxxxxxxxxxx>
Sent: Friday, May 28, 2010 1:26 PM
Subject: Re:  Greetings


On Fri, May 28, 2010 at 12:37 PM, David <david_6758@xxxxxxx> wrote:
> I'm getting duplicate listings in my access.log file. For example:
>
> 86.128.68.189 - - [28/May/2010:09:11:48 -0400] "GET /charts/chart8.JPG
> HTTP/1.1" 200 805370
> "http://www.google.co.uk/imgres?imgurl=http://www.alliancesforhumanity.com/charts/chart8.JPG&imgrefurl=http://www.alliancesforhumanity.com/matter/matter.htm&usg=__WShs1M5uJBhsisp0xQWHBckLCnI=&h=2946&w=1786&sz=1376&hl=en&start=12&um=1&itbs=1&tbnid=kDBI5elpTL58AM:&tbnh=150&tbnw=91&prev=/images%3Fq%3Djohn%2Bworrell%2Bkeely%2Bstates%2Bof%2Bmatter%2Bchart%26um%3D1%26hl%3Den%26client%3Dsafari%26sa%3DN%26rls%3Den%26tbs%3Disch:1";
> "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/531.22.7
> (KHTML, like Gecko) Version/4.0.5 Safari/531.22.7"
>
> 86.128.68.189 - - [28/May/2010:09:11:54 -0400] "GET /charts/chart8.JPG
> HTTP/1.1" 200 805370
> "http://www.google.co.uk/imgres?imgurl=http://www.alliancesforhumanity.com/charts/chart8.JPG&imgrefurl=http://www.alliancesforhumanity.com/matter/matter.htm&usg=__WShs1M5uJBhsisp0xQWHBckLCnI=&h=2946&w=1786&sz=1376&hl=en&start=12&um=1&itbs=1&tbnid=kDBI5elpTL58AM:&tbnh=150&tbnw=91&prev=/images%3Fq%3Djohn%2Bworrell%2Bkeely%2Bstates%2Bof%2Bmatter%2Bchart%26um%3D1%26hl%3Den%26client%3Dsafari%26sa%3DN%26rls%3Den%26tbs%3Disch:1";
> "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/531.22.7
> (KHTML, like Gecko) Version/4.0.5 Safari/531.22.7"

> I'm running Apache 2.2.15 on a Windows Xp Pro machine. Built the Apache 
> from
> source.
>
> I began to notice this after installing a PCI card which allows me to 
> mirror
> two or more hard drives. Will happen a few times a day. Nothing that 
> appears
> to be consistent as to which file or type of file.
>
> These extra entries are causing inaccuracies in my Awstats data.
>
> Any suggestions?

use mod_status to track the number of requests hitting the server, and
convince yourself that Apache really does see two requests

the timestamp logged (which differs by a second for the two entries)
is the time that Apache read the request from the client, and not an
artifact of logging; so the appearance of two requests is apparently
not simply a logging issue

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