gremlin> :install com.orientechnologies orientdb-gremlin 3.1.7
==>Conflicting module versions. Module [groovy-xml is loaded in version 2.5.14 and you are trying to load version 2.5.7
gremlin> :plugin use tinkerpop.orientdb
==>tinkerpop.orientdb could not be found - use ':plugin list' to see available plugins
gremlin> :plugin list
==>tinkerpop.server[active]
==>tinkerpop.gephi
==>tinkerpop.utilities[active]
==>tinkerpop.sugar
==>tinkerpop.credentials
==>tinkerpop.tinkergraph[active]
gremlin>