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Windows / Node.js / "make_dir() failed: No such file or directory" when using #2097

ttous opened this Issue Nov 5, 2018 · 0 comments


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ttous commented Nov 5, 2018

I am trying to link my app to my realm using an admin user I created with Realm Studio, but I cannot get the method to work. I have been struggling with this for hours, I first thought I had a permission issue, but launching the code does create the react-object-server directory, with two sub-directories inside:

  • an empty one, named df1b418b-cc11-4c64-bf3b-e6f76b36774e.
  • io.realm.object-server-utility, which contains others sub-directories (metadata, ...).

I am launching the command from an administrator Windows terminal.

Thanks in advance for your help 👍 .


Open a realm with my admin user's credentials.

Expected Results

The method works

Actual Results

Open error: Error: Unable to open a realm at path 'C:\Users\ttoussaint\Documents\missions\compass-group\smart_checkout\server\realm-object-server\df1b418b-cc11-4c64-bf3b-e6f76b36774e\': make_dir() failed: No such file or directory.
    at Promise (C:\Users\ttoussaint\Documents\missions\compass-group\smart_checkout\server\node_modules\realm\lib\extensions.js:121:29)
    at Promise (<anonymous>)
    at (C:\Users\ttoussaint\Documents\missions\compass-group\smart_checkout\server\node_modules\realm\lib\extensions.js:120:27)
    at Realm.Sync.User.login.then (C:\Users\ttoussaint\Documents\missions\compass-group\smart_checkout\server\src\loader.js:30:15)
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7)

Steps to Reproduce

node src\loader.js

Code Sample


const Realm = require('realm');
const constants = require('./constants.js');

// Define your models and their properties
const CarSchema = {
    name: 'Car',
    properties: {
        make: 'string',
        model: 'string',
        miles: { type: 'int', default: 0 },
const PersonSchema = {
    name: 'Person',
    properties: {
        name: 'string',
        birthday: 'date',
        cars: 'Car[]',
        picture: 'data?' // optional property

const admin = Realm.Sync.Credentials.usernamePassword(constants.username, constants.password);

Realm.Sync.User.login(constants.serverUrl, admin)
    .then((user) => {
        let config = user.createConfiguration();
        config.schema = [CarSchema, PersonSchema];
            .then(realm => {
                // Create Realm objects and write to local storage
                realm.write(() => {
                    const myCar = realm.create('Car', {
                        make: 'Honda',
                        model: 'Civic',
                        miles: 1000,
                    myCar.miles += 20; // Update a property value

                // Query Realm for all cars with a high mileage
                const cars = realm.objects('Car').filtered('miles > 1000');

                // Will return a Results object with our 1 car
                cars.length // => 1

                // Add another car
                realm.write(() => {
                    const myCar = realm.create('Car', {
                        make: 'Ford',
                        model: 'Focus',
                        miles: 2000,

                // Query results are updated in realtime
                cars.length // => 2
            .catch((error) => {
                console.error('Open error:', error);
    .catch((error) => {
        console.error('Login error:', error);


module.exports = {
    username: "admin",
    password: <my_admin_password>,
    serverUrl: ""

Version of Realm and Tooling

  • Realm JS SDK Version: Realm package ^2.18.0
  • Node or React Native: Node 8.4.0
  • Client OS & Version: Windows 10

@realm-probot realm-probot bot added the O:User label Nov 5, 2018

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