Gremlin Server is a component of Apache TinkerPop that allows for the remote execution of Gremlin-based traversals.
Questions tagged [gremlin-server]
516 questions
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votes
1 answer
Failure to be able to access classes from imported libraries
My research team wrote a script for loading some data from edn files into a Titan database. We are now attempting to migrate our work to a Datastax Enterprise Graph database. When we use :load on gremlin-server the script gets through the import…
MFin
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Creating a graph inside Gremlin Server
We are planning to use tinkerpop for our project.
I had a few doubts about this:
I see that there are GremlinServer.start() GremlinServer.stop() APIs which I can use to get gremlin server running in embedded style. This means it will not start any…
Neha
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GraphFactory message: GraphFactory could not instantiate this Graph implementation [com.thinkaurelius.titan.core.TitanFactory]
I'm trying to make graph queries via a gremlin-shell to a Cassandra backend (locally or remotely).
I downloaded a stock Gremlin Server distribution and then installed Titan (as described here in the manual-installation).…
bhuvanrk
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DSE Graph authentication error
On a fresh new installation, DSE Graph throws an error to Gremlin Console, complaining about authentication configuration.
Gremlin Console starts normally:
plugin activated: tinkerpop.tinkergraph
plugin activated: tinkerpop.server
plugin…
peleitor
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How to set Neo4J config keys in gremlin-scala?
When running a Neo4J database server standalone (on Ubuntu 14.04), configuration options are set for the global installation in etc/neo4j/neo4j.conf or possibly $NEO4J_HOME/conf/neo4j.conf.
However, when instantiating a Neo4j database from Java or…
MSmedberg
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1 answer
Multiple query on gremlin-server REST
For example I want to query something like this,
>hercules= g.V().has('name','hercules')
>hercules.values()
>hercules.bothE()
How do I send those query to gremlin-server using REST ?
Eka Cahya Pratama
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gremlin create edge while satisfying multiplicity constraint,if violated drop existing edge then create else just create it
I am struggling for quite some time to solve my problem which is like
I have a graph in which there are defined multiplicity constraints . When new edge is being created either a new edge can be created or it can violate the multiplicity constraint…
palash kulshreshtha
- 565
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- 23
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1 answer
How Can I group by Gremlin Server (Titan 1.0) Response on Basis of Vertex Id?
I'm trying following query :
g.V(835776).out('Follow').in('WallPost').order().by('PostedTimeLong', decr).range(0,2)
and I'm getting following response :
{
"requestId": "524462bc-5e46-40bf-aafd-64d00351dc87",
"status": {
"message": "",
…
Sumit Chourasia
- 2,394
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will Gremlin graph queries always perform operations in it's own address space?
admittedly, most of my database experience is relational. one of the tenets in that space is to avoid moving data over the network. this manifests by using something like:
select * from person order by last_name limit 10
which will presumably order…
tony_k
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How to form inner SubQuery in Gremlin Server (Titan 1.0)?
I'm using Following Query :
g.V(741440).outE('Notification').order().by('PostedDateLong', decr).range(0,1).as('notificationInfo').match(
__.as('notificationInfo').inV().as('postInfo'),
).select('notificationInfo','postInfo')
it is giving…
Sumit Chourasia
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1 answer
How to Load Data into Titan through Spark
I want to load data into titanDB and i know about bulkloading and gremlin script will do that but i want to do the same using spark. i have data in json format and i want to load it using spark. They integrate the spark with titan in titan 0.9 and…
Mayur
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- 4
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1 answer
gremlin server query for adding edge
I am playing with titan db (cassandra and es backend). I am sending queries to gremlin server via gremlin-javascript module in nodejs. I have been able to write getOrInsert vertices in titan using…
palash kulshreshtha
- 565
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- 23
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1 answer
Bulk load data in titan db from nodejs
My current scenario is like
I have a rabbit mq which gives me the details of the order placed.
On the other side I have my titan db (cassandra storage, es index backends and gremlin server).
Yet another I have nodejs application which can interact…
palash kulshreshtha
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1 answer
neo4j-Gremlin-plugin StackOverflow using tree() pattern
I'm trying to perform a tree query over a sample graph. However it always gives me a StackOverflow Exception.
Followed these two…
MarcoAbi
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Gremlin Console: JSON response doesn't work
I'm trying to access a remote Gremlin server with version 3.0.0 using a Gremlin console 3.0.0. The serializer I'm using is GraphSONMessageSerializerV1d0.
When I run this, I get an error message:
\,,,/
(o…
Mohamed Taher Alrefaie
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