nesting of prefix-and and prefix-or conditional elements result in errors from the knowledge builder ---------------------------------------------------------------------------------------------------- Key: JBRULES-2383 URL: https://jira.jboss.org/jira/browse/JBRULES-2383 Project: Drools Issue Type: Bug Security Level: Public (Everyone can see) Components: drools-compiler (expert) Affects Versions: 5.1.0.M1 Environment: windows, jdk1.6.0_11 Reporter: Olli Knuuttila Assignee: Mark Proctor case 1 (gives the errors): import org.drools.Person; rule "rule1" when (and (or Person(name=="bob") Person(name=="june") ) (or Person(name=="will") Person(name=="dorothy") ) ) then System.out.println("FIRED"); end case 2 (works): import org.drools.Person; rule "rule1" when ( ( Person(name=="bob") or Person(name=="june") ) and ( Person(name=="will") or Person(name=="dorothy") ) ) then System.out.println("FIRED"); end the errors: [ERR 101] Line 6:3 no viable alternative at input 'or' in rule "rule1"[8,3]: [ERR 102] Line 8:3 mismatched input 'Person' expecting ')' in rule "rule1"[14,1]: [ERR 102] Line 14:1 mismatched input ')' expecting 'then' in rule "rule1" Code used to compile: KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add(ResourceFactory.newFileResource("C:\\temp\\test.drl"), ResourceType.DRL); if(kbuilder.hasErrors()) { System.err.println(kbuilder.getErrors().toString()); } else { System.out.println("Success!!"); } -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira