By default the transaction is suspended before the call to the portlet container. You need to flag your portlet to require a transaction in the portal object descriptor. There are examples for that in the standard descriptor examples. After flagging your portlet there, you should be able to lookup the UserTransaction.... (in theory ;) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3980125#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...