从本地机器尝试时,我可以从我的 express 应用程序访问 StockTwits 公开可用的 API:https ://api.stocktwits.com/api/2/streams/symbol/:id.json。
但是,每当我尝试从 Google App Engine 托管应用程序时,都会收到以下错误:
2020-04-29 17:24:46 default[20200428t231015] [0mGET /WMT [0m- [0m- ms - -[0m
2020-04-29 17:24:46 default[20200428t231015] Calling the stock-twits API: https://api.stocktwits.com/api/2/streams/symbol/WMT.json
2020-04-29 17:24:46 default[20200428t231015] Response {
2020-04-29 17:24:46 default[20200428t231015] size: 0,
2020-04-29 17:24:46 default[20200428t231015] timeout: 0,
2020-04-29 17:24:46 default[20200428t231015] [Symbol(Body internals)]:
2020-04-29 17:24:46 default[20200428t231015] { body:
2020-04-29 17:24:46 default[20200428t231015] PassThrough {
2020-04-29 17:24:46 default[20200428t231015] _readableState: [ReadableState],
2020-04-29 17:24:46 default[20200428t231015] readable: true,
2020-04-29 17:24:46 default[20200428t231015] _events: [Object],
2020-04-29 17:24:46 default[20200428t231015] _eventsCount: 6,
2020-04-29 17:24:46 default[20200428t231015] _maxListeners: undefined,
2020-04-29 17:24:46 default[20200428t231015] _writableState: [WritableState],
2020-04-29 17:24:46 default[20200428t231015] writable: true,
2020-04-29 17:24:46 default[20200428t231015] allowHalfOpen: true,
2020-04-29 17:24:46 default[20200428t231015] _transformState: [Object] },
2020-04-29 17:24:46 default[20200428t231015] disturbed: false,
2020-04-29 17:24:46 default[20200428t231015] error: null },
2020-04-29 17:24:46 default[20200428t231015] [Symbol(Response internals)]:
2020-04-29 17:24:46 default[20200428t231015] { url:
2020-04-29 17:24:46 default[20200428t231015] 'https://api.stocktwits.com/api/2/streams/symbol/WMT.json',
2020-04-29 17:24:46 default[20200428t231015] status: 503,
2020-04-29 17:24:46 default[20200428t231015] statusText: 'Service Temporarily Unavailable',
2020-04-29 17:24:46 default[20200428t231015] headers: Headers { [Symbol(map)]: [Object] },
2020-04-29 17:24:46 default[20200428t231015] counter: 0 } }
2020-04-29 17:24:46 default[20200428t231015] Encountered the below error while fetching from the url: https://api.stocktwits.com/api/2/streams/symbol/ric/WMT.json
2020-04-29 17:24:46 default[20200428t231015] ERROR: FetchError: invalid json response body at https://api.stocktwits.com/api/2/streams/symbol/WMT.json reason: Unexpected token < in JSON at position 0
如果我在 Google App Engine 上托管,在使用该应用程序时有什么特别需要注意的吗?