Hi Matteo, it's honestly virtually impossible to figure out what's causing that NPE just looking at that stack trace. Do you think you could be able to develop a reproducer or at least provide us a bit more information?
Thanks, Mario -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-RightTupleList-NPE-with-6-1-0-Final-tp4030571p4030573.html Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users