Node reported an error.

  node.js, question

C: \ users \ administrator \ desktop \ project \ nodeblog \ chapter1 > nodapp.js
Failed to load c plus bsontext, using purejsversion
express-session deprecated undefined resave option; provide resave option app.js:36:9
express-session deprecated undefined saveUninitialized option; provide saveUninitialized option app.js:36:9
Express server listening on port 3000

References -stackoverflow
npm update
npm install bson