janhoy opened a new issue, #111:
URL: https://github.com/apache/solr-orbit/issues/111
`create-collection` fails against Solr releases before the V2 API rework, so
only recent 9.x can be benchmarked.
`SolrAdminClient.create_collection` posts the collection's properties as the
request body:
```json
{"name": "nyc_taxis", "config": "nyc_taxis", "numShards": 1, "nrtReplicas":
1, ...}
```
Older releases take a command envelope instead and reject that with HTTP 400:
```
Unknown operation 'name' available ops are
'[set-alias-property, delete-alias, backup-collection, create, create-alias,
restore-collection]'
```
`create` is in that list — Solr is saying it wanted `{"create": {...}}`.
**Reproduce:** run any workload against Solr 9.0.0; it fails on the first
task.
```
launchr run --versions 9.0.0 --workloads nyc_taxis --test-mode
```
Confirmed failing on 9.0.0 and passing on 9.9.0.
**Why it matters:** a trends site is only as long as the release history it
can benchmark. Today that history starts somewhere in late 9.x.
**Suggested fix:** send the current shape, and retry with the envelope when
Solr answers "unknown operation". Checking the version instead means keeping a
table of which release changed and being wrong about one nobody tested.
🤖 Assisted by Claude Code
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