debug test_shared_storage_connector_hashes

[hl475]

Purpose

https://buildkite.com/organizations/vllm/analytics/suites/ci-1/tests/7b01abb7-8064-8f64-9362-7eceb5b9280e is failing with error message

[2025-09-26T06:26:34Z]         assert image_1 != image_2, "The images should not be identical"
--
  | [2025-09-26T06:26:34Z]
  | [2025-09-26T06:26:34Z]         # Create the LLM instance
  | [2025-09-26T06:26:34Z]         engine_args = asdict(engine_args)
  | [2025-09-26T06:26:34Z] >       llm = LLM(**engine_args)
  | [2025-09-26T06:26:34Z]
  | [2025-09-26T06:26:34Z] v1/kv_connector/unit/test_shared_storage_connector.py:156:
  | [2025-09-26T06:26:34Z] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
  | [2025-09-26T06:26:34Z] /usr/local/lib/python3.12/dist-packages/vllm/entrypoints/llm.py:293: in __init__
  | [2025-09-26T06:26:34Z]     self.llm_engine = LLMEngine.from_engine_args(
  | [2025-09-26T06:26:34Z] /usr/local/lib/python3.12/dist-packages/vllm/v1/engine/llm_engine.py:177: in from_engine_args
  | [2025-09-26T06:26:34Z]     return cls(vllm_config=vllm_config,
  | [2025-09-26T06:26:34Z] /usr/local/lib/python3.12/dist-packages/vllm/v1/engine/llm_engine.py:124: in __init__
  | [2025-09-26T06:26:34Z]     self.logger_manager = StatLoggerManager(
  | [2025-09-26T06:26:34Z] /usr/local/lib/python3.12/dist-packages/vllm/v1/metrics/loggers.py:707: in __init__
  | [2025-09-26T06:26:34Z]     loggers.append(logger_factory(vllm_config,
  | [2025-09-26T06:26:34Z] /usr/local/lib/python3.12/dist-packages/vllm/v1/metrics/loggers.py:65: in __init__
  | [2025-09-26T06:26:34Z]     self.kv_transfer_logging = KVConnectorLogging(kv_tranfer_config)
  | [2025-09-26T06:26:34Z] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
  | [2025-09-26T06:26:34Z]
  | [2025-09-26T06:26:34Z] self = <vllm.distributed.kv_transfer.kv_connector.v1.metrics.KVConnectorLogging object at 0x7f35840da090>
  | [2025-09-26T06:26:34Z] kv_tranfer_config = KVTransferConfig(kv_connector='SharedStorageConnector', engine_id='20bee06b-94d9-43db-b284-cb7d016da665', kv_buffer_de...{'shared_storage_path': '/tmp/pytest-of-root/pytest-1/test_shared_storage_connector_0'}, kv_connector_module_path=None)
  | [2025-09-26T06:26:34Z]
  | [2025-09-26T06:26:34Z]     def __init__(self, kv_tranfer_config: KVTransferConfig):
  | [2025-09-26T06:26:34Z]         # This should be called on frontend process.
  | [2025-09-26T06:26:34Z] >       assert not has_kv_transfer_group()
  | [2025-09-26T06:26:34Z] E       AssertionError
  | [2025-09-26T06:26:34Z]
  | [2025-09-26T06:26:34Z] /usr/local/lib/python3.12/dist-packages/vllm/distributed/kv_transfer/kv_connector/v1/metrics.py:54: AssertionError

Test Plan

Test Result

---

Essential Elements of an Effective PR Description Checklist

• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.
• (Optional) Release notes update. If your change is user facing, please update the release notes draft in the Google Doc.

[DarkLight1337]

See #25748

[hl475]

thanks @DarkLight1337 ! will close my PR.