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Questions tagged [gremlin-server]

Gremlin Server is a component of Apache TinkerPop that allows for the remote execution of Gremlin-based traversals.

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No signature of method: org.janusgraph.graphdb.database.management.JanusGraphIndexWrapper.buildCompositeIndex()

I am trying to create a database schema in janusgraph(latest version) which is using cassandra(version 3). But am stuck with the following error No signature of method:…
rajashekar
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How do I create vertex centric index in JanusGraph

I am trying to build vertex centric Index in Janusgraph. foo = mgmt.makePropertyKey('foo').dataType(String.class).cardinality(org.janusgraph.core.Cardinality.SINGLE).make(); foo_bar = mgmt.makeEdgeLabel('foo_bar').make(); byfoo_bar =…
Nischal Kumar
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Get all vertices with a specific property, label and id along the path

I have following structure in a Janusgraph database: gremlin> continent = g.addV("continent").property("name", "Europe").next() gremlin> country = g.addV("country").property("name", "France").next() gremlin> region =…
ibt23sec5
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graph is not saved

First, I follow these steps to create a graph in JanusGraph. add the following to conf/janusgraph-cassandra-configurationgraph.properties index.search.backend = elasticsearch index.search.hostname =…
Robert Huang
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Gremlin pausing response writing as writeBufferHighWaterMark exceeded on RequestMessage

I'm using the gremlin javascript client (3.4.2) to query a janusgraph through gremlin server. I noticed that after having the server running for a while while developing, some of the requests that query the graph start to stay on pending for a lot…
Pistacchio
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Gremlin.createClient is not a function in version 3.3.4

Gremlin.createClient() is working in version 2.6.0 but it is not working in version 3.3.4,I know it is deprecated from 3.3.4.I want to connect to server and execute query.The below code is executed in version 2.6. I want to excute same query in…
sai ramam chavatapalli
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Gremlin-Python: Returning a fully populated subgraph

I am using the Gremlin-Python Client to query Gremlin Server with a janusgraph backend. Running the following query: graph = Graph() g = graph.traversal().withRemote(DriverRemoteConnection('ws://localhost:8182/gremlin','g')) sg =…
Moses
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TinkerPop: Generic Query to combine and filter multiple traversals

Sample data: TinkerPop Modern Graph Conditions: Is vadas connected to lop within 2 hops Is vadas connected to peter within 3 hops Is vadas connected to does-not-exists in 1 hops (a search that wont give any results) Dummy searches with expected…
Srinath Ganesh
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IllegalStateException : Gremlin Server must be configured to use the JanusGraphManager

Set graphNames = JanusGraphFactory.getGraphNames(); for(String name:graphNames) { System.out.println(name); } The above snippet produces the following exception java.lang.IllegalStateException: Gremlin Server must be configured to use…
cegprakash
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Get start node and end node id of the edge without map step() gremline for neptune

I am working on Neptune AWS, and trying to fine out the start node id and end node id of the edge. The map step is working for Neo4j, but the same query is not working for the Neptune. Data example: enter link description here Query: query =…
Ravindra Gupta
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GraphFactory could not find gremlin.graph property configration

Summary While trying to start the gremlin server with origindb GraphFactory message: GraphFactory could not find [org.apache.tinkerpop.gremlin.orientdb.OrientEmbeddedFactory] error i got Detail I am using the below configuration Gremlin :…
Akshay
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How to find the Edge ID between two vertices in Gremlin

Suppose we have a graph g with many vertices and we need to find an edge and edge ID between vertices v1 and vertices v2 having ID id1 and id2.
Sandeep Choudhary
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How to set schema for janusgraph for batch-loading using python

I am trying to bulk-load data into a janusgraph 0.2 over HBase. I am using gremlinpython library of python. For bulk-loading, I set storage.batch-loading to true, and now have to define the schema for the graph. I found documentation to set schema…
Tushar Aggarwal
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Janus Graph HBase and Solr Unknown external index backend: jgex

I work with JanusGraph 0.2.0,Hbase 1.2.6 and Solr 7.3.0. I want to run a standalone Janus Graph server with Hbase(storage backend) and Solr (index backend).Then connect with gremlin driver (with Java Client) and use Gremlin Query language to…
msertacturkel
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Inconsistent handling property values in JanusGraph

Getting some problem while playing with JanusGraph. I am new in JanusGraph recently I have installed and followed the documentation for add vertex with its properties and few more but when I am trying to insert a property of float digit and set the…
Akshay
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