Sorry, I'm stupid. I forgot to import the relevant classes. I also found a solution to my two other anomalies regarding breakpoints, code-folding and code assist . . . it seems that EclipseColorer (I was using 0.7.1) interferes with other editors, specifically in these kind of dynamic editor behaviors. I disabled it, and everything works well now. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3967504#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...