We found the reason for this behaviour, it is a bug which we reported in Jira: https://jira.jboss.org/jira/browse/JBRULES-2098
See the Jira issue for details, code examples reproducing the issue and for a workaround. Regards, Steinar Haugen -- View this message in context: http://www.nabble.com/RuleBase.removeRule-leads-to-NoClassDefFoundError-tp23657476p23707100.html Sent from the drools - user mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users