I have "modify" clauses in the rules - would that be the reason ?
However, this happens only once ... immediately after KB is initialized Maintenance actions are not triggered by rules ... add/update/delete is outside the rules Ejaz -- View this message in context: http://drools.46999.n3.nabble.com/threw-error-java-lang-ClassCastException-org-drools-reteoo-FromNode-FromMemory-cannot-be-cast-to-orgy-tp4023497p4023765.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