THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
In Wicket 1.4 it was needed to extend org.apache.wicket.RequestCycle.onRuntimeException(Page, RuntimeException).
Wicket 1.5 gives even better control, by overriding org.apache.wicket.Application.newExceptionMapper() it is possible to change even the default processing of error pages.
Request mapping
See Request+mapping
ImageMap removed
ImageMap was deprecated in 1.4.11 and in 1.5 it was replaced with ClientSideImageMap component
...