This is what I am currently doing.
zoomChangedListener = new ZoomChangedListener();
add(zoomChangedListener);
map.add(new HeaderContributor(new IHeaderContributor() {
private static final long serialVersionUID = 1L;
I believe I found the issue.
Our wicket application has an iframe that shows the contents of an other
wicket application. I changed the wicket version on the local wicket
application. However, the iframe'd wicket application was not changed.
When I synced up the wicket versions...everything wa
