突然之間，API 資源管理器 (localhost:8080/_ah/api/explorer) 停止工作。這是“goapp serve”給出的消息：WARNING  2015-12-15 17:54:24,744 dispatcher.py:762] Skipping dispatch.yaml rules because /_ah/spi/BackendService.getApiConfigs is not a dispatchable path.2015/12/15 17:54:24 DEBUG: SPI request body: {}INFO     2015-12-15 17:54:24,746 module.py:787] default: "POST /_ah/spi/BackendService.getApiConfigs HTTP/1.1" 200 2619ERROR    2015-12-15 17:54:25,706 discovery_api_proxy.py:59] Discovery API proxy failed on /_ah/api/discovery/v1/apis/generate/directory with 400.Response: { "error": {  "errors": [   {    "domain": "global",    "reason": "invalid",    "message": "Invalid Value"   }  ],  "code": 400,  "message": "Invalid Value" }}ERROR    2015-12-15 17:54:25,706 discovery_service.py:141] Failed to get API directoryINFO     2015-12-15 17:54:25,706 module.py:787] default: "GET /_ah/api/discovery/v1/apis HTTP/1.1" 404 9我的應用程序 (localhost:8080) 也不起作用，同樣的問題。