我试图将我闪亮的应用程序连接到 mongodb 服务器。我在 shinyapps.io 上部署了应用程序,但一次又一次地出错:
2019-10-22T18:14:14.694520+00:00 shinyapps[1117463]: Listening on http://127.0.0.1:36739
2019-10-22T18:14:36.665309+00:00 shinyapps[1117463]: Warning: Error in : No suitable servers found (`serverSelectionTryOnce` set): [socket timeout calling ismaster on 'seaport-shard-00-01-rysq4.gcp.mongodb.net:27017'] [socket timeout calling ismaster on 'seaport-shard-00-02-rysq4.gcp.mongodb.net:27017'] [socket timeout calling ismaster on 'seaport-shard-00-00-rysq4.gcp.mongodb.net:27017']
2019-10-22T18:14:36.670320+00:00 shinyapps[1117463]: 61: mongo_collection_command_simple
2019-10-22T18:14:36.670321+00:00 shinyapps[1117463]: 60: mongo
2019-10-22T18:14:36.670322+00:00 shinyapps[1117463]: 59: server [/srv/connect/apps/Seaport/app.R#223]
2019-10-22T18:14:36.670413+00:00 shinyapps[1117463]: Error : No suitable servers found (`serverSelectionTryOnce` set): [socket timeout calling ismaster on 'seaport-shard-00-01-rysq4.gcp.mongodb.net:27017'] [socket timeout calling ismaster on 'seaport-shard-00-02-rysq4.gcp.mongodb.net:27017'] [socket timeout calling ismaster on 'seaport-shard-00-00-rysq4.gcp.mongodb.net:27017']
更有趣的是,这个应用程序在我的 PC 上本地运行良好,而且它在最近 2 周的闪亮应用程序上运行良好。
我尝试使用标准连接字符串部署应用程序:
Data <- mongo(collection = 'Data',
db = 'MaterialSeaport',
url = 'mongodb+srv://<USER>:<PASSWORD>@seaport-rysq4.gcp.mongodb.net/test?retryWrites=true&w=majority')
添加 scram sha 选项:
Data <- mongo(collection = 'Data',
db = 'MaterialSeaport',
url = 'mongodb+srv://<USER>:<PASSWORD>@seaport-rysq4.gcp.mongodb.net/test?retryWrites=true&w=majority&authMechanism=SCRAM-SHA-1')
并使用旧的连接字符串:
Data <- mongo(collection = 'Data',
db = 'MaterialSeaport',
url = 'mongodb://<USER>:<PASSWORD>@seaport-shard-00-00-rysq4.gcp.mongodb.net:27017,seaport-shard-00-01-rysq4.gcp.mongodb.net:27017,seaport-shard-00-02-rysq4.gcp.mongodb.net:27017/test?ssl=true&replicaSet=Seaport-shard-0&authSource=admin&retryWrites=true&w=majority')
如何在没有此错误的情况下将我的应用程序与 mongodb 连接?