Major Description
try this:
$ cd wicket-1.5.x/wicket-examples
$ mvn jetty:run
point your browser to localhost:8080/
click 'ajax'
click 'Tree and TreeTable'
--> url = http://localhost:8080/wicket-examples/ajax/tree/simple
do this in given order:
click 'expand all' : works
click 'collapse all' : nothing happens at all
click on 'rootless mode' : works
click on 'rootless mode' : nothing happens at all
click on 'collapse all' : nothing happens at all
and so on ....