here's the main reasons why i opted to revise our own implementation over quartz: http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3968946#... note that our own implementation is only targetted at the standard java platform. we have a pluggable interface for async messages and timers. for the enterprise platform, we will be supplying a JMS and EJB Timer based bridges as first priorities. maybe later if it turns out to be an advantage, we could also build a bridge to the jboss internal timer SPI as it is in the making if i understand correctly. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3968947#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...