Install railo 4

1. wget http://www.getrailo.org/railo/remote/download/4.0.4.001/tomcat/linux/railo-4.0.4.001-pl1-linux-x64-installer.run
2. chmod +x railo-4.0.4.001-pl1-linux-x64-installer.run
3. ./railo-4.0.4.001-pl1-linux-x64-installer.run
also  do http://www.modcfml.org/index.cfm/install/web-server-components/apache-on-centos/
and
http://www.modcfml.org/index.cfm/install/tomcat-component/tomcat-valve-on-linux/