JkWorkersFile etc/apache22/workers.properties
JkLogFile /var/log/mod_jk.log
JkShmFile  /var/log/jk-runtime-status
JkLogLevel error

<VirtualHost xyz.com>
    [...]

    JkMount /webdev/* mainworker
    JkMount /*.jsp mainworker

    [...]
</VirtualHost>

worker.list=mainworker

worker.mainworker.port=8009
worker.mainworker.host=localhost
worker.mainworker.type=ajp13
worker.mainworker.lbfactor=1

<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
  <Service name="Catalina">
    <Connector port="8009" protocol="AJP/1.3" />

    <Engine name="Catalina" defaultHost="localhost">
      <Host name="localhost" appBase="webapps" />
      <Host name="xyz.com" appBase="/web/xyz.com" />
    </Engine>
  </Service>
</Server>