Error: Error connecting to db: failed to connect to server [127.0.0.1:27017] on first connect [MongoError: connect ECONNREFUSED 127.0.0.1:27017]
at D:\server\apache\node_modules\connect-mongodb-session\index.js:45:17
at connectCallback (D:\server\apache\node_modules\mongodb\lib\mongo_client.js:505:5)
at D:\server\apache\node_modules\mongodb\lib\mongo_client.js:412:11
at _combinedTickCallback (internal/process/next_tick.js:95:7)
at process._tickCallback (internal/process/next_tick.js:161:9)