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chore: import upstream snapshot with attribution
2026-07-13 12:37:56 +08:00

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# OpenSearch Persistence - DEPRECATED
⚠️ **This module is deprecated and provides only a migration error message.**
## What Happened?
The generic `conductor.indexing.type=opensearch` configuration has been replaced with version-specific modules:
- **`os-persistence-v2`** - For OpenSearch 2.x
- **`os-persistence-v3`** - For OpenSearch 3.x
This change enables proper dependency isolation between OpenSearch 2.x and 3.x clients, which use incompatible package namespaces.
## Migration
Change your configuration from:
```properties
conductor.indexing.type=opensearch
conductor.opensearch.url=http://localhost:9200
```
To one of:
```properties
# For OpenSearch 2.x
conductor.indexing.type=opensearch2
conductor.opensearch.url=http://localhost:9200
```
```properties
# For OpenSearch 3.x
conductor.indexing.type=opensearch3
conductor.opensearch.url=http://localhost:9200
```
All other `conductor.opensearch.*` properties remain the same.
## Why the Change?
- OpenSearch 2.x and 3.x clients use identical package names (`org.opensearch.client.*`)
- Having both on the classpath causes conflicts
- Version-specific modules use shadow plugin to relocate packages and avoid conflicts
- Follows the same pattern as `es6-persistence` and `es7-persistence`
## Legacy Code Reference
If you need the original OpenSearch 1.x persistence module code for reference, it has been archived at:
https://github.com/conductor-oss/conductor-os-persistence-v1
**Note:** The archived module is no longer maintained and should not be used in production.
## See Also
- Issue #678: https://github.com/conductor-oss/conductor/issues/678
- Legacy OpenSearch 1.x Module: https://github.com/conductor-oss/conductor-os-persistence-v1
- Legacy Elasticsearch 6.x Module: https://github.com/conductor-oss/conductor-es6-persistence