As of version 2.2.1, the (AFAIK DFSG compliant) JRVM [1] [2] can now be used to run Eclipse [3] [4]. The process with some caveats is described at [5].
Cheers //Johan [1] - http://www-124.ibm.com/developerworks/oss/jikesrvm/ [2] - http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=170719 [3] - http://www.eclipse.org [4] - http://packages.qa.debian.org/eclipse [5] - http://www-124.ibm.com/developerworks/oss/jikesrvm/userguide/HTML/userguide_14.html
