Chapter 2. Apache Tomcat Connector (mod_jk)

Load mod_jk module
Specify the filename of the mod_jk lib
Where to find workers.properties
Where to put jk logs
Set the jk log level [debug/error/info]
Select the log format
JkOptions indicates to send SSL KEY SIZE
JkRequestLogFormat
Mount your applications
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
Add jkstatus for managing runtime data

# Load mod_jk module
# Specify the filename of the mod_jk lib
LoadModule jk_module modules/mod_jk.so

# Where to find workers.properties
JkWorkersFile conf.d/workers.properties

# Where to put jk logs
JkLogFile logs/mod_jk.log

# Set the jk log level [debug/error/info]
JkLogLevel info

# Select the log format
JkLogStampFormat  "[%a %b %d %H:%M:%S %Y]"

# JkOptions indicates to send SSL KEY SIZE
JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories

# JkRequestLogFormat
JkRequestLogFormat "%w %V %T"

# Mount your applications
JkMount /application/* loadbalancer

# 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
JkShmFile logs/jk.shm

# Add jkstatus for managing runtime data
<Location /jkstatus/>
    JkMount status
    Require ip 127.0.0.1
</Location>

Define list of workers that will be used
for mapping requests
Define Node1
modify the host as your host IP or DNS name.
Define Node2
modify the host as your host IP or DNS name.
Load-balancing behavior
Status worker for managing load balancer

# Define list of workers that will be used
# for mapping requests
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
worker.node1.type=ajp13
worker.node1.ping_mode=A
worker.node1.lbfactor=1

# Define Node2
# modify the host as your host IP or DNS name.
worker.node2.port=8009
worker.node2.host=node2.mydomain.com
worker.node2.type=ajp13
worker.node2.ping_mode=A
worker.node2.lbfactor=1

# Load-balancing behavior
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=node1,node2
worker.loadbalancer.sticky_session=1

# Status worker for managing load balancer
worker.status.type=status