mongodb auth

gistfile1.txt

//First user created
use admin
db.createUser(
  {
    user: "admintest",
    pwd: "testing",
    roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
  }
)

//second user created
use admin
db.createUser(
    {
      user: "test_dbuser",
      pwd: "testpass",
      roles: [
         { role: "readWrite", db: "testingdb" }
      ]
    }
)



//sample connection string
mongodb://test_dbuser:testpass@localhost:27017/testingdb.test

//rebuilds the connection 
MongoCredential credential = MongoCredential.createMongoCRCredential(mongoClientUri.getUsername(), "admin", mongoClientUri.getPassword());
            
String mongoHost = mongoClientUri.getHosts().get(0);
MongoClient mongoClient = new MongoClient(new ServerAddress(mongoHost), Arrays.asList(credential));
//Always throws exception
com.mongodb.CommandFailureException: { "serverUsed" : "localhost:27017" , "ok" : 0.0 , "errmsg" : "auth failed" , "code" : 18}