Loom requires java 5 and JSP 2.0, but the demo and any other web application generated by the scaffolding tool make use of several JSP 2.1 enhancements.
The demo application war has been successfully tested in the following environments:
The demo application has been reported to fail on these application servers. Note that this is a conflict caused by deploying our own JPA container inside a JEE server and does not have anything to do with the framework itself.