Changes

node_modules/mongoose/lib/error/serverSelection.js

@@ -28,7 +28,8 @@ class MongooseServerSelectionError extends MongooseError {
     // Special message for a case that is likely due to IP whitelisting issues.
     const isAtlasWhitelistError = isAtlas(reason) &&
       allServersUnknown(reason) &&
-      err.message.indexOf('bad auth') === -1;
+      err.message.indexOf('bad auth') === -1 &&
+      err.message.indexOf('Authentication failed') === -1;
     this.message = isAtlasWhitelistError ?
       atlasMessage :
       err.message;

node_modules/mongoose/lib/error/validation.js

@@ -4,10 +4,9 @@
 
 'use strict';
 
-const MongooseError = require('./');
+const MongooseError = require('./mongooseError');
 const util = require('util');
 
-
 class ValidationError extends MongooseError {
   /**
    * Document Validation Error
@@ -108,4 +107,4 @@ function _generateMessage(err) {
  * Module exports
  */
 
-module.exports = exports = ValidationError;
+module.exports = ValidationError;

node_modules/mongoose/lib/error/validator.js

@@ -38,6 +38,14 @@ class ValidatorError extends MongooseError {
   toString() {
     return this.message;
   }
+
+  /*!
+   * Ensure `name` and `message` show up in toJSON output re: gh-9296
+   */
+
+  toJSON() {
+    return Object.assign({ name: this.name, message: this.message }, this);
+  }
 }