orientdb-elasticsearch depends on elasticsearch which depends on lucene
orientdb has lucene dependencies also.
It seems that following the build and install mechanism in the Readme of orientdb-elasticsearch plugin the orientdb-elasticsearch-*-dist.jar contains different versions of lucene which gets in confling with the ones from server.
OrientDB: 2.2.7 orientdb-elasticsearch: 2.2.8
orientdb-elasticsearch depends on elasticsearch which depends on lucene orientdb has lucene dependencies also.
It seems that following the build and install mechanism in the Readme of orientdb-elasticsearch plugin the orientdb-elasticsearch-*-dist.jar contains different versions of lucene which gets in confling with the ones from server.