app-http-sync.js

var http = require('http'),
    path = require('path');

var PORT = process.env.PORT || 1025;

http.createServer(function (request, response) {
    throw new Error("uh-oh");
    response.writeHead(200, {'Content-Type': 'text/plain'});
    response.end(path.basename(__filename) + ': Hello World\n');
}).listen(PORT);

console.log('Server running at http://127.0.0.1:' + PORT + '/');