/etc/apache2/conf.d/ox.conf

creat /etc/apache2/conf.d/ox.conf and add

# Where to find workers.properties. We will create this file later in the tutorial.
JkWorkersFile /etc/apache2/workers.properties
# Where to put jk logs.
JkLogFile     /var/log/apache2/mod_jk.log
# Set the jk log level [debug/error/info]
JkLogLevel    error
# Select the log format
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
# JkRequestLogFormat set the request format
JkRequestLogFormat     "%w %V %T"
# This points to our servlets we install later    
JkMount /ajax/* ajp13_worker
JkMount /servlet/* ajp13_worker