It was a classloader problem. In my bundle definition I just added the version to the postgresql package's Import-Package and it worked perfectly.
----- Best regards, Cumprimentos, Un saludo, António Jacob Costa http://www.trikorasolutions.com/ http://linkd.in/ajcin -- View this message in context: http://openjpa.208410.n2.nabble.com/OpenJPA-with-servicemix-tp7584853p7584875.html Sent from the OpenJPA Users mailing list archive at Nabble.com.