OK, that should have the EJBTHREE-424 fix in it, which actually makes "${jboss.partition.name:DefaultPartition}" the default value for @Clustered.partition(). So the EJB3 container can handle that value if it actually gets set. Please post the details of the "Big RuntimeException saying it does not understand the line" when you try #3. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4142935#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...