Mario Fusco created JBRULES-3591: ------------------------------------ Summary: Broken instanceof operator Key: JBRULES-3591 URL: https://issues.jboss.org/browse/JBRULES-3591 Project: Drools Issue Type: Bug Security Level: Public (Everyone can see) Reporter: Mario Fusco Assignee: Mario Fusco Using a rule like: rule R1 when Person( address instanceof LongAddress ) then end results in the following compilation error: Unable to determine the Evaluator for ID 'instanceof' : [Rule name='R1'] -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.jboss.org/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira