HPOS 4.0 technical note 3

HP Web Services for Output Server 54

Using HP Web Services for Output Server

JBoss clustering with Apache load balancer on multiple machines

# Note: Changed from +ForwardURICompat.

# See http://tomcat.apache.org/security-jk.html

JkOptions +ForwardKeySize +ForwardURICompatUnparsed -ForwardDirectories

# JkRequestLogFormat

JkRequestLogFormat "%w %V %T"

# Mount your applications

JkMount /HPOSGateway/* loadbalancer

# You can use external file for mount points.

# It will be checked for updates each 60 seconds.

# The format of the file is: /url=worker

# /examples/*=loadbalancer

JkMountFile conf/uriworkermap.properties

# Add shared memory.

# This directive is present with 1.2.10 and

# later versions of mod_jk, and is needed for

# for load balancing to work properly

# Note: Replaced JkShmFile logs/jk.shm due to SELinux issues. Refer to

# https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=225452

JkShmFile run/jk.shm

# Add jkstatus for managing runtime data

JkMount status

Order deny,allow

Deny from all

Allow from 127.0.0.1

</Location>

5. In the APACHE_HOME/conf directory, create workers.properties and populate it as follows:

# Define list of workers that will be used

# for mapping requests

# The configuration directives are valid

# for the mod_jk version 1.2.18 and later

# worker.list=loadbalancer,status

# Define Node1

# modify the host as your host IP or DNS name.

worker.node1.port=8009

worker.node1.host=node1.mydomain.com or IP address of machine 1

worker.node1.type=ajp13

worker.node1.lbfactor=1