JanusGraph / JanusGraph/janusgraph
Could not register new index field with index backend
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- Java
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Description
Configuration:
```
gremlin.graph=org.janusgraph.core.JanusGraphFactory
storage.backend=cql
index.search.backend=elasticsearch
index.search.hostname=127.0.0.1
index.search.elasticsearch.use-all-field=false
index.search.elasticsearch.create.use-external-mappings=true
```
Env:
1. cassandra 3.10
2. elasticsearch 5.4.2
3. janusgraph 0.3.0-SNAPSHOT
```gremlin
gremlin> graph = JanusGraphFactory.open('conf/janusgraph-cql-es.properties')
==>standardjanusgraph[cql:[127.0.0.1]]
gremlin> GraphOfTheGodsFactory.load(graph)
Could not register new index field with index backend
Type ':help' or ':h' for help.
Display stack trace? [yN]y
org.janusgraph.core.JanusGraphException: Could not register new index field with index backend
```
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the failure with conf/janusgraph-cql-es.properties and the listed Cassandra, Elasticsearch, and JanusGraph versions, starting at GraphOfTheGodsFactory.load(graph). Capture the full stack trace and trace the index-field registration path. Done means the sample graph loads without “Could not register new index field with index backend” or the issue documents a confirmed incompatibility.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cassandra, elasticsearch, java
- Domain
- databases
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100