Repro for mongoose issue 1127

repro.js

var vm = require("vm");
var fs = require("fs");
var path = require("path");

var schemaDecl = fs.readFileSync("schema.js", "utf8");

var mongoose = require("mongoose");
mongoose.connect("localhost", "mongoosetest");

var fileName = path.resolve("schema.js");
var script = vm.createScript(schemaDecl, fileName);
script.runInNewContext({require: require, __filename: fileName});

var model = mongoose.model("AThing");

model.on("index", function(err) {
  if (err) console.log(err);
  mongoose.disconnect(function() {
  });
});

schema.js

var mongoose = require("mongoose");
var Schema = mongoose.Schema;

var AThingSchema = new Schema({
    name: String,
    owner: String
  }, {autoIndex: true});

  AThingSchema.index({name: 1, owner: 1});

  mongoose.model("AThing", AThingSchema);