http://blogs.sun.com/sfehrman/entry/installing_liferay_on_glassfish
http://www.liferay.com/community/wiki/-/wiki/Main/Liferay%20with%20GlassFish#section-Liferay+with+GlassFish-SystemRequirements
Descargar additional-files y ponerlos en el lib/ext del dominio de glassfish:
http://www.liferay.com/downloads/liferay-portal/additional-files
hsql.jar
annotation.jar
container.jar
portlet-container.jar
portlet.jar
saw-api.jar
portal-kernel.jar
portal-service.jar
/opt/glassfish/bin/asadmin start-domain applications