The message you're getting may be resolved by configuring your jboss-portlet.xml with a transaction attribute, otherwise your two portlets won't be able to generate URLs to eachother: <portlet-name>YourPortlet</portlet-name> <trans-attribute>Required</trans-attribute> The the appropriate reference guide for info on the jboss-portlet.xml descriptor: http://docs.jboss.org/jbportal/v2.6.4/referenceGuide/html/jbossPortletDTD... View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4258704#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...