Wolfgang, that class is part of the kie-ci.jar. Do you have it on your classpath? Mario -- View this message in context: http://drools.46999.n3.nabble.com/rules-users-KieRepositoryScannerImpl-missing-in-6-0-0-tp4028533p4028534.html Sent from the Drools: User forum mailing list archive at Nabble.com.