Caused by: java.lang.IllegalStateException: The property does not exist as it has no key, value, or associated element
at org.apache.tinkerpop.gremlin.structure.Property$Exceptions.propertyDoesNotExist(Property.java:151)
at org.apache.tinkerpop.gremlin.structure.util.empty.EmptyVertexProperty.value(EmptyVertexProperty.java:74)
at org.twilmes.sql.gremlin.processor.SingleQueryExecutor.run(SingleQueryExecutor.java:92)
at org.twilmes.sql.gremlin.processor.GremlinCompiler.execute(GremlinCompiler.java:119)
at org.twilmes.sql.gremlin.plugin.SqlRemoteAcceptor.submit(SqlRemoteAcceptor.java:94)
SingleQueryExecutor
/*
vertex does not contain attributes that are abnormal.
} else if (!(res.property(propName) instanceof EmptyProperty)
*/
} else if (res.properties(propName).hasNext()) {