{"record":{"id":"31a6e49224a8d84a","repo":"hsliuping/TradingAgents-CN","slug":"alpha-vantage-api-request-failed-e","errorCode":null,"errorMessage":"Alpha Vantage API request failed: {e}","messagePattern":"Alpha Vantage API request failed: (.+?)","errorType":"error_code","errorClass":"AlphaVantageAPIError","httpStatus":null,"severity":"error","filePath":"tradingagents/dataflows/providers/us/alpha_vantage_common.py","lineNumber":260,"sourceCode":"            # 成功获取数据\n            logger.debug(f\"✅ [Alpha Vantage] 请求成功: {function}\")\n            return data\n            \n        except requests.exceptions.Timeout:\n            logger.warning(f\"⚠️ [Alpha Vantage] 请求超时 (尝试 {attempt + 1}/{max_retries})\")\n            if attempt < max_retries - 1:\n                time.sleep(retry_delay)\n                continue\n            else:\n                raise AlphaVantageAPIError(\"Alpha Vantage API request timeout\")\n                \n        except requests.exceptions.RequestException as e:\n            logger.error(f\"❌ [Alpha Vantage] 请求失败: {e}\")\n            if attempt < max_retries - 1:\n                time.sleep(retry_delay)\n                continue\n            else:\n                raise AlphaVantageAPIError(f\"Alpha Vantage API request failed: {e}\")\n        \n        except json.JSONDecodeError as e:\n            logger.error(f\"❌ [Alpha Vantage] JSON 解析失败: {e}\")\n            raise AlphaVantageAPIError(f\"Failed to parse Alpha Vantage API response: {e}\")\n    \n    # 所有重试都失败\n    raise AlphaVantageAPIError(f\"Failed to get data from Alpha Vantage after {max_retries} attempts\")\n\n\ndef format_response_as_string(data: Dict[str, Any], title: str = \"Alpha Vantage Data\") -> str:\n    \"\"\"\n    将 API 响应格式化为字符串\n    \n    Args:\n        data: API 响应数据\n        title: 数据标题\n        \n    Returns:","sourceCodeStart":242,"sourceCodeEnd":278,"githubUrl":"https://github.com/hsliuping/TradingAgents-CN/blob/74783e8817d6cf6de29867880631cc555153f36b/tradingagents/dataflows/providers/us/alpha_vantage_common.py#L242-L278","documentation":"Raised as AlphaVantageAPIError when the HTTP call fails with a generic requests.exceptions.RequestException (connection error, DNS failure, 5xx, TLS error) and the retry budget is exhausted. The original exception text is embedded in the message.","triggerScenarios":"DNS resolution failure for alphavantage.co, connection resets, proxy misconfiguration, or server-side 5xx — recurring across all retry attempts.","commonSituations":"Flaky networks in containers, wrong HTTPS_PROXY, certificate verification failures, or Alpha Vantage outage windows.","solutions":["Reproduce the underlying error: python -c \"import requests; print(requests.get('https://www.alphavantage.co/query', params={'function':'GLOBAL_QUOTE','symbol':'IBM','apikey':'demo'}).status_code)\"","Fix proxy/TLS/DNS issues surfaced by the embedded exception {e}","Increase max_retries/retry_delay for transient outages","Add a fallback datasource in the caller"],"exampleFix":"# before\n_ = _make_api_request(params)  # raises with connection error\n# after\ntry:\n    _ = _make_api_request(params)\nexcept AlphaVantageAPIError:\n    _ = _get_us_quote_from_yfinance(symbol)  # fallback","handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":"from tradingagents.dataflows.providers.us.alpha_vantage_common import AlphaVantageAPIError\ntry:\n    data = _make_api_request(params)\nexcept AlphaVantageAPIError as e:\n    logger.error('AV failed: %s', e)\n    data = _get_us_quote_from_yfinance(symbol)","preventionTips":["Run connectivity smoke tests at startup","Centralize AV calls behind one client with retries + circuit breaker","Log the embedded {e} detail for root-causing proxies/TLS issues"],"tags":["python","alpha-vantage","network","connection-error"],"backgroundTag":"http-request-failed","analyzedSha":"74783e8817d6cf6de29867880631cc555153f36b","analyzedAt":"2026-08-28T11:39:07.729Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}