MVEL throws an NPE when evaluating dynamic salience --------------------------------------------------- Key: DROOLS-302 URL: https://issues.jboss.org/browse/DROOLS-302 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 5.5.0.Final, 6.0.0.CR5 Reporter: Davide Sottara Assignee: Mario Fusco Reported by Wolfgang on the user list Reproducer : rule "process Token" salience - $prio // by ascending x25No values when $token: Token( $x25No: x25No ) // match on int x25No $elem: ElemType( $prio: x25No == $x25No ) then retract($token); end