Install Server-Side Components in JBoss AS 4.2.x or 4.3.x
10.4. Installing in JBoss AS 4.2.x or 4.3.x Assuming $JBOSS_HOME indicates the root of your JBoss AS install and that you want to use mod_cluster in the AS's all config: cp -r /tmp/mod_cluster/JBossWeb-Tomcat/lib/mod_cluster.jar $JBOSS_HOME/server/all/deploy/jboss-web.deployer