Hi,
I'm also interested in a method to filter those OPTIONS.
With the same setup, I basically created my own AccessLogValve wich
does the filtering, something like :
/**
* Don't log request when HTTP Method is one of the exclude List
*/
@Override
public void log(Request request, Response response, long time) {
if (Arrays.asList(exclude.split(",")).contains(request.getMethod())) {
return;
}
super.log(request, response, time);
}
But there must be something better.
2013/9/16 Jim Barber <jim.bar...@ddihealth.com>:
> Hi all.
>
> I'm hoping someone on this list can help me since I've been reading docs,
> mailing lists, FAQs, and so on for hours now, and I'm not having much luck
> finding an answer to my question.
>
> I am using Tomcat version 7.0.42 as packaged in Debian Linux.
> In front of my Tomcat servers, I am using haproxy for load balancing.
> The haproxy load balancers are using the HTTP OPTIONS request method to
> check
> if the Tomcat servers are alive and healthy.
>
> This results in log entries like the following in the Tomcat accesslog file:
>
> 10.122.32.4 - - [16/Sep/2013:17:12:49 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:12:51 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:12:53 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:12:55 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:12:57 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:12:59 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:13:01 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:13:03 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:13:05 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:13:07 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:13:09 +1000] "OPTIONS / HTTP/1.0" 200 -
> 10.122.32.4 - - [16/Sep/2013:17:13:11 +1000] "OPTIONS / HTTP/1.0" 200 -
>
> At the moment I'm getting one of these every 2seconds, but I haven't enabled
> the second load balancer for HA purposes yet.
> When I do that, I'll be getting twice as many hits of this type.
>
> This is going to result in rather large log files full of noise that I'm not
> interested in.
> I've been trying to work out how to filter these out.
> Basically I don't want to log anything that is using the HTTP OPTIONS
> Request
> Method, but still want to log anything else that Tomcat usually logs.
>
> I have a feeling it will come down to modifying the following entry in the
> /etc/tomcat7/server.xml file:
>
> <Valve className="org.apache.catalina.valves.AccessLogValve"
> directory="logs"
> prefix="localhost_access_log." suffix=".txt"
> pattern="%h %l %u %t "%r" %s %b" />
>
> Specifically adding the condition="<VALUE>" attribute, but I have no idea
> what to set
> <VALUE> to.
> The docs say that if ServletRequest.getAttribute(<VALUE>) returns null for
> the
> attribute defined in condition, then the item will be logged.
> Is there an ServletRequest attribute that is null when the http request
> method
> is not using "OPTIONS"?
>
> Or am I completely off track and there is a different way to filter these
> access log messages?
>
> Regards,
>
> --
> Jim Barber
>
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