{"record":{"id":"88292288b09a3680","repo":"firecrawl/firecrawl","slug":"failed-to-scrape-url-error-error-content-882922","errorCode":null,"errorMessage":"Failed to scrape URL. Error: {error_content}","messagePattern":"Failed to scrape URL\\. Error: (.+?)","errorType":"exception","errorClass":"Exception","httpStatus":null,"severity":"error","filePath":"apps/python-sdk/firecrawl/v1/client.py","lineNumber":3745,"sourceCode":"        if 'jsonOptions' in scrape_params and scrape_params['jsonOptions'] and 'schema' in scrape_params['jsonOptions']:\n            scrape_params['jsonOptions']['schema'] = self._ensure_schema_dict(scrape_params['jsonOptions']['schema'])\n\n        # Make async request\n        endpoint = f'/v1/scrape'\n        response = await self._async_post_request(\n            f'{self.api_url}{endpoint}',\n            scrape_params,\n            _headers\n        )\n\n        if response.get('success') and 'data' in response:\n            return V1ScrapeResponse(**response['data'])\n        elif \"error\" in response:\n            raise Exception(f'Failed to scrape URL. Error: {response[\"error\"]}')\n        else:\n            # Use the response content directly if possible, otherwise a generic message\n            error_content = response.get('error', str(response))\n            raise Exception(f'Failed to scrape URL. Error: {error_content}')\n\n    async def batch_scrape_urls(\n        self,\n        urls: List[str],\n        *,\n        formats: Optional[List[Literal[\"markdown\", \"html\", \"rawHtml\", \"content\", \"links\", \"screenshot\", \"screenshot@fullPage\", \"extract\", \"json\"]]] = None,\n        headers: Optional[Dict[str, str]] = None,\n        include_tags: Optional[List[str]] = None,\n        exclude_tags: Optional[List[str]] = None,\n        only_main_content: Optional[bool] = None,\n        wait_for: Optional[int] = None,\n        timeout: Optional[int] = 30000,\n        location: Optional[V1LocationConfig] = None,\n        mobile: Optional[bool] = None,\n        skip_tls_verification: Optional[bool] = None,\n        remove_base64_images: Optional[bool] = None,\n        block_ads: Optional[bool] = None,\n        proxy: Optional[Literal[\"basic\", \"stealth\", \"enhanced\", \"auto\"]] = None,","sourceCodeStart":3727,"sourceCodeEnd":3763,"githubUrl":"https://github.com/firecrawl/firecrawl/blob/656bffcc2883f1af5befe38766b1ff5f0469993a/apps/python-sdk/firecrawl/v1/client.py#L3727-L3763","documentation":"Raised by async scrape_url in the fall-through else branch — the response had neither success+data nor an 'error' field. The error_content is response.get('error', str(response)), which since the 'error' key is absent becomes str(response), often an unhelpful dict dump.","triggerScenarios":"Server returned an unexpected JSON shape — a partial/malformed response, a maintenance page rendered as JSON, or an undocumented response variant the SDK does not recognize.","commonSituations":"API version mismatch (SDK talking to a newer/older server), a server-side bug returning an unusual body, or a proxy injecting its own JSON.","solutions":["Upgrade the python-sdk to a version compatible with your Firecrawl server version.","Log the full response to diagnose the unexpected shape; the str(response) in the message is the only clue.","If self-hosted, align server and SDK versions."],"exampleFix":"// before\ndata = await app.scrape_url(url)  # unknown failure shape\n// after\n# upgrade SDK and server in lockstep; pin compatible versions\n# pip install firecrawl-py==X.Y.Z matching your server tag","handlingStrategy":"try-catch","validationCode":"null","typeGuard":"null","tryCatchPattern":"try:\n    data = await app.scrape_url(url)\nexcept Exception as e:\n    log.error('unexpected scrape response: %s', e)\n    # check SDK/server version alignment, then upgrade and retry\n    raise","preventionTips":["Keep python-sdk and Firecrawl server versions aligned.","Log the full response shape when this branch trips — it is the only diagnostic.","Pin SDK versions in requirements to avoid silent drift."],"tags":["scrape","async","unexpected-response","version-mismatch","python-sdk"],"analyzedSha":"656bffcc2883f1af5befe38766b1ff5f0469993a","analyzedAt":"2026-08-12T01:18:00.488Z","schemaVersion":2},"datasetVersion":"2026-08-12T06:17:24.410Z"}