SLING-6313 - Sling installer can duplicate factory configurations if an invalid RegisteredResourceList.ser is found Reinstate the behaviour of adding a 'org.apache.sling.installer.osgi.factoryaliaspid' property to factory configs to prevent duplicate factory configurations from being generated.
sling/trunk/installer/factories/configuration/src/main/java/org/apache/sling/installer/factories/configuration/impl/ConfigInstallTask.java