we see this error while starting fresh AEM instance. Is that helping?21.07.2017 16:22:57.428 *INFO* [Apache Sling Repository Startup Thread] com.adobe.granite.repository Service [1043, [org.apache.jackrabbit.oak.spi.gc.GCMonitor]] ServiceEvent REGISTERED21.07.2017 16:22:57.454 *ERROR* [Apache Sling ...