Re: Tomcat "id" in AccessLogValve and Spread

[Michael Heinrichs]

I would also like to add functionality to the AccessLogValve, and a subclass would be fine for my purposes, but currently, org.apache.catalina.valves.AccessLogValve is declared final, presumably for performance reasons. Is there any chance of changing that?

Mike

Shapira, Yoav wrote:

Howdy,

I'm trying to consolidate the access logs for a whole bunch of Tomcats
using Spread (www.spread.org) like I do with Apache. The easiest way to

do >this seems to be to "patch"
org.apache.catalina.valves.AccessLogValve to >use Spread and I've done
that trivially.

Perhaps it would be better to subclass AccessLogValve to add this
functionality? Then you could contribute your class to the tomcat
project and users of the normal AccessLogValve wouldn't need to know
anything (or depend on) Spread.

somewhat figure out where it came from, but I run into problems when I

have

multiple Tomcats load-balanced by mod_jk serving the same virtual

hosts.

The easiest way then to tell where it came from seems to be to use the
jvmRouteId any other, better, more easily obtained, unique identifier I

can >use?

The combination of host name and jvmRouteId is decent.
Would %A (local IP address) in the access log work for you? I'm
assuming your load-balanced servers have different IP addresses even if
they share the virtual hosts.

Yoav Shapira
Millennium ChemInformatics

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