{"record":{"id":"f20af79879719c85","repo":"BerriAI/litellm","slug":"failed-to-retrieve-file-file-id-from-provider","errorCode":null,"errorMessage":"Failed to retrieve file {file_id} from provider: {str(e)}","messagePattern":"Failed to retrieve file (.+?) from provider: (.+?)","errorType":"exception","errorClass":"Exception","httpStatus":null,"severity":"error","filePath":"enterprise/litellm_enterprise/proxy/hooks/managed_files.py","lineNumber":1343,"sourceCode":"            response = stored_file_object.file_object.model_copy(update={\"id\": file_id})\n            return response\n\n        # Case 3: Managed file exists in the database but not the file object (for. e.g the batch task might not have run)\n        # So we fetch the file object from the provider. We deliberately do not store the result to avoid interfering with batch cost tracking code.\n        if not llm_router:\n            raise Exception(\n                f\"LiteLLM Managed File object with id={file_id} has no file_object \"\n                f\"and llm_router is required to fetch from provider\"\n            )\n\n        try:\n            model_id, model_file_id = next(iter(stored_file_object.model_mappings.items()))\n            credentials = llm_router.get_deployment_credentials_with_provider(model_id) or {}\n            response = await litellm.afile_retrieve(file_id=model_file_id, **credentials)\n            response.id = file_id  # Replace with unified ID\n            return response\n        except Exception as e:\n            raise Exception(f\"Failed to retrieve file {file_id} from provider: {str(e)}\") from e\n\n    async def afile_list(\n        self,\n        purpose: Optional[OpenAIFilesPurpose],\n        litellm_parent_otel_span: Optional[Span],\n        **data: Dict,\n    ) -> List[OpenAIFileObject]:\n        \"\"\"Handled in files_endpoints.py\"\"\"\n        return []\n\n    def _is_batch_polling_enabled(self) -> bool:\n        \"\"\"\n        Check if batch cost tracking is actually enabled and running.\n        Returns:\n            bool: True if batch cost tracking is active, False otherwise\n        \"\"\"\n        try:\n            # Import here to avoid circular dependencies","sourceCodeStart":1325,"sourceCodeEnd":1361,"githubUrl":"https://github.com/BerriAI/litellm/blob/6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d/enterprise/litellm_enterprise/proxy/hooks/managed_files.py#L1325-L1361","documentation":"Wraps any exception from the provider fetch in Case 3 of afile_retrieve: it takes the first model mapping from the stored row, gets deployment credentials, calls litellm.afile_retrieve, and re-raises as Exception 'Failed to retrieve file {unified_id} from provider: {original}'. The root cause is in the embedded message — typically provider 404, expired credentials, or invalid provider file id — and the original exception is chained via 'from e'.","triggerScenarios":"The provider-side copy of the file was deleted or expired while the managed row survived; provider API key/credentials rotated so afile_retrieve gets 401/403; the provider file id embedded in model_mappings is stale; transient provider 5xx.","commonSituations":"Long-lived managed rows referencing provider files past retention (e.g. OpenAI 30-day file expiry); credential rotation not propagated to router deployments; provider outages during batch polling.","solutions":["Read the embedded {str(e)} to identify the provider error (404 vs 401 vs 5xx) before acting","If the provider file expired/was deleted, re-upload the file to recreate provider copies and a fresh managed id","If authentication failed, update the deployment's credentials in the router and retry","For transient provider errors, retry with backoff around this call"],"exampleFix":"# before\nresp = await hook.afile_retrieve(file_id, span, router)\n\n# after: surface root cause and retry transient failures\ntry:\n    resp = await hook.afile_retrieve(file_id, span, router)\nexcept Exception as e:\n    if \"404\" in str(e):\n        raise FileNotFoundError(file_id) from e\n    raise","handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"try:\n    resp = await hook.afile_retrieve(file_id, span, router)\nexcept Exception as e:\n    msg = str(e)\n    if \"Failed to retrieve file\" in msg:\n        if any(s in msg for s in (\"401\", \"403\", \"authentication\")):\n            raise RuntimeError(\"provider credentials invalid; update router config\") from e\n        if \"404\" in msg or \"not found\" in msg:\n            raise FileNotFoundError(\"provider copy gone; recreate file\") from e\n        raise  # transient provider error: safe to retry with backoff","preventionTips":["Download batch outputs promptly before provider file expiry windows","Rotate provider keys through the router so deployments keep valid credentials","Wrap provider fetches in retry-with-backoff for 5xx-class inner errors"],"tags":["files","provider","credentials","managed-files"],"backgroundTag":null,"analyzedSha":"6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d","analyzedAt":"2026-08-15T07:12:03.035Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}