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From Bill Stoddard <>
Subject Re: Possible for G to directly consume a Tomcat server config w/o changes?
Date Tue, 19 May 2009 19:42:51 GMT
Lin Sun wrote:
> One quick way would be allow users to start a tomcat server from a
> geronimo tomcat javaee5 assembly  or little G tomcat assembly(say
> start tomcatOnly=true).   It is possible to just launch
> the tomcat server, and read the configuration files (conf/server.xml,
> etc) and start a tomcat server from a geronimo tomcat assembly, by
> using the provided by tomcat.   But this server/app
> would have no relationship with geronimo, other than using the jars
> provided by the geronimo tomcat assembly.   The deployed app would be
> tracked only by tomcat, and not by geronimo.   We should be able to
> achieve this without adding any new jars.
> If we need more than that, I can for seen the following issues that
> need investigation -
> 1. We'll have to provide better server integration with tomcat and be
> able to read the server configuration from tomcat's server
> configuration files, along with using config.xml configurations.
This would be an absolute minimal requirement.  Would this be really 

> 2. We'll have to migrate user's app automatically for the user, when
> the user's app is a bit complicated that contains any need to require
> a geronimo-web.xml
This is where things get more interesting.... lots of permutations and 
edge cases to consider.
> Lin
> On Mon, May 18, 2009 at 3:49 PM, Bill Stoddard <> wrote:
>> I know G can't consume tomcat configs today, but is this a feature that
>> could be developed for G 2.2?
>> Say I have an application successfully deployed and running under Tomcat..
>>  wouldn't it be nice if I were able to drop the tomcat server config into a
>> Geronimo-Tomcat assembly, start the server, deploy the app and be up and
>> running in seconds.  I'm talking about a seamless, zero effort/zero touch
>> migration from Tomcat to a Geronimo-Tomcat assembly.  Is it possible?  If
>> not, what simplifying assumptions could be made to 'mostly' achieve a
>> zero-touch migration?
>> What are the primary challenges with consuming a tomcat config unchanged
>> with a G-Tomcat assembly?  Same Q's apply for Jetty... what's 'doable'
>> with-in reason?
>> Thanks,
>> Bill

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