According to http://wiki.eclipse.org/Jetty/Reference/SSL_Connectors this version of Jetty prefers configuration via a factory object, rather than on Connectors directly. I've replaced the old code with an implementation that simply re-creates a new factory each invocation. This could be streamlined a bit further, but at least it'll be more future proof (as the old Connector-based configuration is likely to be removed in future versions of Jetty).
Guus, I attempted to run ignite with trunk and get this
I fixed that last bug Daryl reported just now. Openfire now uses Jetty 7.5.4.
I am running 7.6.0RC0 successfully as well with no changes.
Updating slf was a pain though (due to "jar hell" as they say).