{"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":1364,"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":1346,"sourceCodeEnd":1382,"githubUrl":"https://github.com/BerriAI/litellm/blob/77b7c6c40c0c5aa5fbcb1d6a1825ac39ca8829b8/enterprise/litellm_enterprise/proxy/hooks/managed_files.py#L1346-L1382","documentation":"Case 3 provider fallback: the hook takes the first (model_id -> provider_file_id) mapping, pulls that deployment's credentials via llm_router.get_deployment_credentials_with_provider, and calls litellm.afile_retrieve. Any provider-side failure is re-raised with the unified file id and the original cause chained via `from e`, so the real reason is inside the wrapped exception.","triggerScenarios":"Provider-side copy of the file was deleted or expired (OpenAI files expire after about an hour by default); invalid or rotated credentials on the first mapped deployment; provider 5xx or network error during afile_retrieve.","commonSituations":"Retrieving a file long after upload past provider retention; API key rotation not yet reflected in the proxy's model_list; Bedrock/Vertex credentials scoped to the wrong bucket, role, or region.","solutions":["Read the text after 'from provider:' — it names the actual provider failure; fix that first","Re-upload via POST /v1/files if the provider copy expired or was deleted","Verify the mapped deployment's credentials (api key, AWS role, Vertex project/region) with a direct test call","Retry with backoff for transient 5xx/network failures"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"try:\n    f = await proxy.files.retrieve(file_id)\nexcept Exception as e:\n    msg = str(e)\n    if \"from provider\" in msg and any(t in msg for t in (\"429\", \"500\", \"502\", \"503\", \"timeout\")):\n        await asyncio.sleep(backoff())  # transient -> retry\n    elif \"401\" in msg or \"403\" in msg:\n        fix_credentials()             # not retryable\n    else:\n        reupload()                    # expired/deleted provider copy","preventionTips":["Retrieve files promptly after upload, inside provider retention windows","Keep deployment credentials in proxy config in sync with provider rotations","Chain-verify credentials after every key rotation with a tiny smoke test"],"tags":["litellm","managed-files","files-api","provider-error","credentials"],"backgroundTag":"upstream-api-error","analyzedSha":"77b7c6c40c0c5aa5fbcb1d6a1825ac39ca8829b8","analyzedAt":"2026-08-18T11:44:31.656Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}