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 No SQL > Mongo DB > How to Authenticate User

How to Authenticate User 

MongoDB is a scalable, high-performance, open source NoSQL database. It offers Ad hoc queries, Indexing, Replication, Load balancing, File storage (GridFS), Aggregation, MapReduce and Server-side JavaScript execution. This requires the library mongo-2.8.0.jar to be present in the classpath. The following example shows how to authenticate a user in MongoDB.

File Name  :  
Author  :  Sudhakar KV
Email  :  [email protected]
package com.bethecoder.tutorials.mongodb.tests;

import com.mongodb.DB;
import com.mongodb.Mongo;
import com.mongodb.MongoException;

public class UserAuthenticationTest {

  public static void main(String[] args) {

    try {

      //Connect to mongoDB with given IP and PORT
      Mongo mongo = new Mongo("localhost"27017);
      //Get the database object
      DB database = mongo.getDB("mytestdb");

      //Authenticates the user against the given database
      //Return true if authenticated, false otherwise
      boolean authFlag = database.authenticate("user1""mypassword1".toCharArray());
      System.out.println("authFlag : " + authFlag);

    catch (UnknownHostException e) {
    catch (MongoException e) {

It gives the following output,
authFlag : true


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