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From Larry Isaacs <>
Subject RE: Tomcat 3.3 and 4.x tuning via command line
Date Thu, 07 Feb 2002 12:40:21 GMT
I don't know if the Eclipse configuration allows you to
specify -D<prop>=<value> in Tomcat's startup.  If it does,
I think a lot of this can be done in Tomcat 3.3.1 using
parameter substitution.  I have used in server.xml

    <Http10Connector port="${http.port}" ... />

and included


in the startup command to make server.xml runtime
configurable.  Would this approach work for you?
If so, perhaps it would desirable to add this feature
to Tomcat 4.x.

Unfortunately the parameter substitution is broken
in Tomcat 3.3 so you would need 3.3.1 to try this


> -----Original Message-----
> From: GOMEZ Henri []
> Sent: Thursday, February 07, 2002 3:28 AM
> To: Tomcat Developers List
> Subject: Tomcat 3.3 and 4.x tuning via command line
> Hi to all,
> You should all know that there is a very good Tomcat 3.3/4.0
> plugin for the OSS IDE eclipse (, available
> at
> This plugin allow eclipse developper to launch Tomcat from
> the IDE, stop, restart and configure many parameters like
> tomcat_home. Tomcat could be a binary version installed on
> your disk or a project on the IDE, allowing you to debug
> it from IDE.
> I'm discussing with the plugin developper, Bruno Leroux, 
> to see if it could be possible to add some functionnalities 
> to the plugin to defines webapps to be used, which could
> be part of the project workbench, and why not override
> some of the server.xml settings like http, ajp listen
> ports, works and log dir.
> And that could be very usefull for eclipse developpers,
> but also for sites which could use it to have multiples
> instances running in production from a common location,
> but with differents settings.
> It could allow us to launch many different instances of
> Tomcat, a major functionnality found on WebSphere, where
> you got a single admin interface which launch many JVM,
> on local machine or remote systems, each JVM running a
> copy of websphere. 
> And that could be a real bonus for tomcat, if we later 
> develop a tomcat launcher service which could do that, 
> via a native/jni daemon. 
> In that case we need to add parameters in tomcat command
> line (vm or args) to do such overriding.
> I was thinking to add parms like :
> -override ajp13@8109 -override ajp12@8107 -override http@8180 
> -override logs@/var/tomcat3/logsxxx -override 
> works@/var/tomcat3/worksxxx
> -addwebapp /var/tomcat3/webappxxx -addwebapp /var/tomcat3/webappyyy
> Do you agree on these modifications ?
> If so I start to see where to do the modifications on TC 3.3,
> some recommandations will be greatly usefull, but who could 
> the same for TC 4.0 ?
> -
> Henri Gomez                 ___[_]____
> EMAIL :        (. .)                     
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