Node v0.6.1 EADDRINUSE

thing.js

var http = require('http');
var httpOptions = {
  hostname: 'localhost',
  port: '5984',
  path: '/native_view_test',
  auth: 'dbrain:password',
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  agent: false
};
var numberOfDocs = 100000;
var docsWritten = 0;
var dataCreated = 0;

function createData() {
  dataCreated++;
  var req = http.request(httpOptions, function gotResponse(response) {
    response.on('end', function documentCreated() {
      docsWritten++;
      if (docsWritten === numberOfDocs) {
        allDocumentsCreated();
      } else {
        createData();
      }
    });
  });
  req.on('error', function (err) {
    console.log(err);
  });
  var doc = { name: 'You died of dysentary ' + dataCreated + ' times :(' };
  req.end(JSON.stringify(doc));
}

function allDocumentsCreated() {
  console.log("DONE");
}

createData();