Hi, answering to my question: it was a bug in pax-jdbc ( https://ops4j1.jira.com/browse/PAXJDBC-133 <https://ops4j1.jira.com/browse/PAXJDBC-133> ). Fixed in 1.3.1. Regards, Jochen -- Sent from: http://karaf.922171.n3.nabble.com/Karaf-User-f930749.html