The problem was that since Apache Camel was graduated as a Top Level Project, we had to change the URIs to reflect this change. This change is now also done by the people from Nabble.
Check out the forums using Nabble.
The Open eHealth Integration Platform (IPF) is an extension of the Apache Camel routing and mediation engine. It has an application programming layer based on the Groovy programming language and comes with comprehensive support for message processing and connecting systems in the eHealth domain.