I am very new to NodeJs. I am using express module in NodeJS and trying to load html files through sendFile command. While doing it my first sendfile command works well, however it doesnt work well for second sendFile command. Can anyone please let me know whats going wrong here?

 var express = require('express');

 var app = express();
 var path = require('path');

 app.use(express.static(path.join(__dirname, 'public')));

 app.get('/', function(req, res){
   res.sendFile(path.join(__dirname, 'public/index.html'));
 });

 app.get('/unpack', function(req, res){
  res.sendFile(path.join(__dirname, 'public/main.html'));
 });

In the above code the below line works well

 res.sendFile(path.join(__dirname, 'public/index.html'));

Problem lies with

 res.sendFile(path.join(__dirname, 'public/main.html'));