DefaultTreeModel and Wicket Tree: setAsksAllowsChildren doesn't work

Question

I\'m using Wicket\'s Tree component in a web app. But empty folders are shown in a file-way. Just like this:

Answer 1

Which Wicket version are you using? The old tree implementation is deprecated in 6.x and removed in 7.x, so you should use the new implementation in package org.apache.wicket.extensions.markup.html.repeater.tree - it is no longer based on the Swing classes.