All Questions
Tagged with janusgraph java
97
questions
0
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36
views
JanusGraph traversal returns Vertex instead of JanusGraphVertex
I'm using Java to connect to JanusGraph 1.0. I'm having trouble understanding why JanusGraph would ever return a Vertex.
JanusGraph graph = JanusGraphFactory.open('configfile');
JanusGraphVertex jgv = ...
- 1,247
0
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0
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22
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JanusGraph edges from Java do not appear in Gremlin console
I'm running a JanusGraph server and client per the instructions here. I included an argument to expose port 8182 so I can connect to it from a Java application.
My Java application just creates a new ...
- 1,247
-1
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0
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22
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JanusGraph from Java can't find the remote-objects.yaml file
I'm trying to connect to a JanusGraph server running in a docker container. I can connect just fine from the gremlin console. To connect from a Java app I'm following the directions here. mvn package ...
- 1,247
1
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0
answers
131
views
Apache atlas UI not showing up
I am trying to install apache atlas from source. I have cloned the repo from https://github.com/apache/atlas and built the source and then packaged it using mvn clean -DskipTests package -Pdist.
I ...
- 1,335
0
votes
1
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48
views
Using Janusgraph (Java in-memory implementation), how can I commit property keys before creating an index?
I'm prototyping a java project using Janusgraph and have run into a problem. If I create a property key and commit that property key before an index is created, the index appears to be stuck in the ...
- 31
0
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18
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Properties detail are missing from VertexLabel using JanusGraphManagement API
I am using janugraph 1.0.0 and using cassandra as backend storage.This is configuration file with cassandra details, janusgraph-cql/.properties
cassandra config
Now using gremlin console, I have ...
4
votes
1
answer
101
views
Merge Operator in sack() step does not work as expected
I've been working with sack() step in gremlin. I'm trying to perform some operation on sack when two traversers merge. But for some reason the merge doesn't seem to work as expected. To describe my ...
- 125
1
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0
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58
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Apache Atlas failing with CosmosDB Cassandra API
I am trying to set up Apache Atlas with CosmosDB Cassandra API with Strong as the default consistency level. During startup after ~10 seconds I get this null pointer exception:-
2023-12-19 08:23:29,...
- 7,743
1
vote
1
answer
71
views
Why doesnt the gremlin query return edges using path() when logical operators are present in the query?
I am fairly new to gremlin query and janusgraph. I had a requirement to get both edges and nodes of the graph given various properties of the nodes and the relationship between them. There can be ...
0
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0
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37
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Issue while creating Vertex Centric Index (Relation Index) on edge property
Janusgraph version => 0.6.1
Tinkerpop version =>3.5.1
Usign Janusgraph in the embedded library mode and not in server mode.
I am trying to create vertex centric index(es) on existing edge ...
- 33
2
votes
1
answer
156
views
How to get a JanusgraphGraph Instance from a remote janusgraph connection
I want to use the management API in my java based application to dynamically create Schemas and to use indices. But I cant find a solution to get the JanusGraph - Graph instance from my remote ...
- 182
1
vote
0
answers
37
views
JanusGraph Java Serializer for propertyMap()
Im setting up a simple Java application that runs some queries on top of a given Graph Database (either Neo4j or JanusGraph).
I would like to have interface methods with return type and general form ...
1
vote
0
answers
222
views
Best way to store multiple versions of a record in Graph Database say JanusGraph
Suppose there are multiple versions of a record A say v1, v2,v3 and vn, and A is related to B till version v2 and A is related to C from version v3
Suppose A represent the record Id and vi represent ...
- 92
2
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answers
316
views
Connecting to JanusGraph using ConfiguredGraphFactory
I'm trying to figure out how to connect to JanusGraph server from SpringBoot.
JanusGraph was setup with Cassandra and ElasticSearch to run in docker and as each instance of JanusGraph only serves one ...
- 41