Seems that there's a spring-converter issue with neo4j
To figure out the issue, simply download sbt 0.12 (brew install sbt and brew upgrade sbt) and launch the command:
sbt run
Output should be some kind of:
Michael's meeting has just been saved :Meeting(michael,MyMeeting,for business,business,Schedule(Mon Feb 18 16:49:14 CET 2013,Mon Feb 18 16:49:14 CET 2013)) Michael's meeting has just been loaded :Meeting(michael,MyMeeting,for business,business,null) We well notice that Schedule is null :( :null