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From David Avenante <d.avena...@gmail.com>
Subject Re: Apache / mod_jk / Multiples instances of Tomcat
Date Wed, 15 Feb 2006 15:19:01 GMT
You can see this URL http://www.paulkimbrel.com/?p=3

my configuration for me with one apache in front on two tomcat (for my
tests)
is :

after install mod_jk of course ;)

httpd.conf :
# Load mod_jk module
LoadModule    jk_module    modules/mod_jk.so
JkWorkersFile /etc/apache2/workers.properties
JkLogFile     /var/log/apache2/mod_jk.log
JkLogLevel    ERROR
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
JkOptions     +ForwardKeySize +ForwardURICompat -ForwardDirectories
JkRequestLogFormat     "%w %V %T"
JkMount /cluster-1.0-SNAPSHOT/app*  loadbalancer

workers.properties :

# workers.properties

ps=/

# List the workers name
worker.list=loadbalancer
# ----------------
# First worker
# ----------------
worker.node01.port=8009
worker.node01.host=agnes
worker.node01.type=ajp13
worker.node01.lbfactor=1
worker.node01.domain=cluster1
# ----------------
# Second worker
# ----------------
worker.node02.port=9009
worker.node02.host=ovea-inspiron
worker.node02.type=ajp13
worker.node02.lbfactor=1
worker.node02.domain=cluster1
# ----------------------
# Load Balancer worker
# ----------------------
worker.loadbalancer.type=lb
worker.loadbalancer.sticky_session=true
worker.loadbalancer.balanced_workers=node01,node02

as you can see in the list of worker only the loadbalancer worker is
present.
Be carreful in your server.xml to add jvmRoute with same name of worker.

<Engine name="Catalina" defaultHost="localhost" jvmRoute="node01" ...



On 2/15/06, Farid Izem <farid.izem@gmail.com> wrote:
>
> Hi all,
>
> I'm currently trying to build a Apache load balancings against multiples
> instances of Tomcat.
>
> On my host, i have three instances of Tomcat (ie using CATALINA_BASE
> variable), each listening on differents ports for AJP Connector.
> On the same server, i have an Apache using Mod_jk.
>
> Is it possible to configure load balancing across the three instances of
> Tomcat using mod_jk ?
>
> Morever, in the worker.properties, i don't known how to configure
> worker.tomcat_home as it is different for each instance of Tomcat ?
>
> Any help would be appreciate, Any Internet Links ..
>
> Kind Regards,
>
> Farid
>
>

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