{"record":{"id":"ab4d812e53573694","repo":"langchain-ai/langgraph","slug":"failed-to-decode-response-from-path-err","errorCode":null,"errorMessage":"Failed to decode response from {path}: {err}","messagePattern":"Failed to decode response from (.+?): (.+?)","errorType":"exception","errorClass":"HostBackendError","httpStatus":null,"severity":"error","filePath":"libs/cli/langgraph_cli/host_backend.py","lineNumber":69,"sourceCode":"    ) -> Any:\n        try:\n            resp = self._client.request(method, path, json=payload, params=params)\n            resp.raise_for_status()\n        except httpx.HTTPStatusError as err:\n            detail = err.response.text or str(err.response.status_code)\n            raise HostBackendError(\n                f\"{method} {path} failed with status {err.response.status_code}: {detail}\",\n                status_code=err.response.status_code,\n            ) from None\n        except httpx.TransportError as err:\n            raise HostBackendError(str(err)) from None\n\n        if not resp.content:\n            return None\n        try:\n            return resp.json()\n        except ValueError as err:\n            raise HostBackendError(\n                f\"Failed to decode response from {path}: {err}\"\n            ) from None\n\n    def create_deployment(\n        self,\n        name: str,\n        deployment_type: str,\n        source: str,\n        config_path: str | None = None,\n        secrets: list[dict[str, str]] | None = None,\n    ) -> dict[str, Any]:\n        \"\"\"Create a deployment.\"\"\"\n        payload: dict[str, Any] = {\n            \"name\": name,\n            \"source\": source,\n            \"source_config\": {\"deployment_type\": deployment_type},\n            \"source_revision_config\": {},\n        }","sourceCodeStart":51,"sourceCodeEnd":87,"githubUrl":"https://github.com/langchain-ai/langgraph/blob/38031739e551638e373fb553453256c23feeb41f/libs/cli/langgraph_cli/host_backend.py#L51-L87","documentation":"Error \"Failed to decode response from {path}: {err}\" thrown in langchain-ai/langgraph.","triggerScenarios":"Thrown at libs/cli/langgraph_cli/host_backend.py:69 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"38031739e551638e373fb553453256c23feeb41f","analyzedAt":"2026-08-26T18:02:49.312Z","schemaVersion":2},"datasetVersion":"2026-08-26T21:11:00.512Z"}