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From "Ignacio J. Ortega" <>
Subject RE: example mod_jk2 configuration for Apache 2.0.39
Date Mon, 24 Jun 2002 19:54:40 GMT
I think Costin did the autoconfig stuff for mod_jk2, using another
technique ( i using digester with web.xml or alike ), this time as an
Standalone util or an Ant task .. go look at

Saludos ,
Ignacio J. Ortega

-----Mensaje original-----
De: Douglas, Rory []
Enviado el: 24 de junio de 2002 20:20
Para: 'Tomcat Users List'
Asunto: RE: example mod_jk2 configuration for Apache 2.0.39

It looks like the ApacheConfig Listener is still in the Java sources for
the connectors, but I don't think it has been updated to the new config
format for mod_jk2 so it probably won't work.
in Server.xml, the important things are the className and
protocolHandlerClassName attributes of the AJP Connector. these should
Remember to match up the port number in all 3 place (in connector in
Server.xml, in, and in If you use
8009 for your AJP connector then you don't need to specify it in
That should be all, no need to mess with web.xml ;-) 
By the way, I was wrong about how to specify multiple channelSocket
ports in The following method "kind of" works:
 channelSocket.port=8009 (for the first one) 
 channelSocket.thirdconn.port=8020 etc 
However, doing this, JK seems to try to open these ports for EACH
Connector specified in Server.xml, and you get a lot of "Address already
bound" exceptions (and a lot of listening ports, because JK just
increments the port number each time and trys again).
have fun 
-----Original Message----- 
From: Liam Morley [] 
Sent: Monday, June 24, 2002 1:43 PM 
To: Tomcat Users List 
Subject: Re: example mod_jk2 configuration for Apache 2.0.39 

thank you very much; that'll get me started. I'm guessing you're running

with Tomcat4.1; I'm trying this with Tomcat 4.0.4. With JK1, there was a

Listener you could plug in to your $CATALINA_HOME/conf/server.xml 
(Listener className="org.apache.ajp.tomcat4.config.ApacheConfig".../). 
Does that still exist? Are there any changes to the server.xml and 
web.xml that you can point out (for example, the mod_jk2 version of 
Connector className="org.apache.ajp.tomcat4.Ajp13Connector" .../?) 
Thanks once again, this is a big help. 
Liam Morley 
Douglas, Rory wrote: 
 Hi there 
 I haven't set-up anything really complex but the following setup 
 should work. I haven't got around to trying load-balancing, if anyone 
 does that and gets it working, please share! 
 in HTTPD.CONF (in Apache2\conf) 
 LoadModule jk2_module modules/mod_jk2.dll 
 in JK2.PROPERTIES (in Tomcat4.1\conf) 
 I just commented out everything. Note that if you are using an AJP 
 connector with port other than the default of 8009 you should specify 
 here (where it says channelSocket.port). If you comment everything out 
 JK seems to default to 8009 (and then 8010, 8011 and so on if you have 
 more than one connector). If you want need specific ports for 
 multiple connectors then specify channelSocket.port multiple times e.g 
 if you have two AJP connectors specified in server.xml with port 
 numbers 8014 and 8018. 
 I just copied this file from tomcat4.1\jtc-src\jk\conf into 
 Apache2\conf and edited it a bit. The really important bits seem to be:

 info=Ajp13 forwarding over socket 
 that actually sets up a worker. I understand that you can specify 
 and create groups of workers for load-balancing. I also believe that 
 every worker created without specfiying a group is in the default 
 group (I think it is "lb"). 
 To map contexts use [uri:] blocks like so: 
 info=Test context mapping 
 Again, here you can specify which workers serve that context by 
 specifying group=groupName 
 It's a good idea to keep these parts around too: 
 info=Status worker, displays runtime informations 
 info=Display status information and checks the config file for changes.

 you can then hit http://yourapacheserver/jkstatus and get a loads of 
 jk info that might help you catch config errors 
 There are some docs in tomcat4.1\jtc-src\jk\doc\jk2 that might help 
 (but they're not great). 
 Hope this is useful to someone 
 -----Original Message---- 
 From: Jacob Kjome [] 
 Sent: Monday, June 24, 2002 11:08 AM 
 To: Tomcat Users List 
 Subject: Re: mod_jk2 binary available here 
 Hello Rory, 
 Actually, a working version of mod_jk2.dll has already been provided 
 by Apache here:
 However, the real issue now is how does one configure all this? Rory, 
 you would be providing a super service to a lot of people if you would 
 provide a minimal configuration of mod_jk2 with *all* files involved. 
 Monday, June 24, 2002, 10:01:13 AM, you wrote: 
 DR Hello all 
 DR I have a working binary of mod_jk2.dll (working with Apache 2.0.39 
 on Win2k 
 DR Server) if anyone would like to try it out. No guarantees though! 
 DR You can get it here -- 
 DR cheers 
 DR Rory Douglas 
 DR Sun Chemical Corporation 
 DR (201) 224-4600 x133 
 Best regards, 
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