This is the invocation I am using , and the pages of error response I get. All pointers gratefully recieved! Many thanks. command.... java -server -Xmx4g -jar blazegraph.jar Response..... INFO: com.bigdata.util.config.LogUtil: Configure: jar:file:/Users/davidpride/Downloads/blazegraph.jar!/log4j.properties BlazeGraph(TM) Graph Engine Flexible Reliable Affordable Web-Scale Computing for the Enterprise Copyright SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved. mcl271716.open.ac.uk Thu Apr...