gremlin> conf = new BaseConfiguration() ==>org.apache.commons.configuration.BaseConfiguration@1bbae752 gremlin> graph = TinkerGraph.open(conf) ==>tinkergraph[vertices:0 edges:0] gremlin> g=graph.traversal() ==>graphtraversalsource[tinkergraph[vertices:0 edges:0], standard] gremlin> g.io("/home/jcb/river.xml").with(IO.reader,IO.graphml).read().iterate()