Mongoose: validation error path is required

Well, the following way is how I got rid of the errors. I had the following schema:

var userSchema = new Schema({
    name: {
        type: String,
        required: 'Please enter your name',
        trim: true
    },
    email: {
        type: String,
        unique:true,
        required: 'Please enter your email',
        trim: true,
        lowercase:true,
        validate: [{ validator: value => isEmail(value), msg: 'Invalid email.' }]
    },
    password: {
        type: String/
        required: true
    },
    // gender: {
    //     type: String
    // },
    resetPasswordToken:String,
    resetPasswordExpires:Date,
});

and my terminal throw me the following log and then went into infinite reload on calling my register function:

(node:6676) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): ValidationError: password: Path password is required., email: Invalid email.

(node:6676) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

So, as it said Path 'password' is required, I commented the required:true line out of my model and validate:email line out of my model.

I came across this post when I was looking for resolution for the same problem - validation error even though values were passed into the body. Turns out that I was missing the bodyParser

const bodyParser = require("body-parser")

app.use(bodyParser.urlencoded({ extended: true }));

I did not initially include the bodyParser as it was supposed to be included with the latest version of express. Adding above 2 lines resolved my validation errors.

In response to your last comment.

You are correct that null is a value type, but null types are a way of telling the interpreter that it has no value. therefore, you must set the values to any non-null value or you get the error. in your case set those values to empty Strings. i.e.

var newUser = new user({

  /* We will set the username, email and password field to null because they will be set later. */
  username: '',
  passwordHash: '',
  email: '',
  admin: false

}, { _id: false });