mlab

I'm trying to do a simple transaction using mongoose . It worked totally fine on MongoDB Atlas , but in mlab I got such an error: MongoError: Transaction numbers are only allowed on storage engines that support document-level locking . I did some research, but didn't really find any resources regarding mlab and document-level locking . Does anyone know how to solve this problem? I have same issue, then I contact mlab help, here is their reply: That error indicates your app/driver is attempting to use a feature that's not compatible with your Shared Cluster deployment, which employs the MMAPv1

I am trying to connect to the mongodb database on mongolabs(mlabs). I connect successfully when I run the code on my local computer and server.But When I run on my aws server I get this error database error { [MongoError: socket hang up] name: 'MongoError', message: 'socket hang up' } Code trial.js: var express = require('express'); var app = express(); var mongoose = require('mongoose'); var mongojs = require('mongojs'); var db = mongojs('mongodb://user:pass@ds01312192.mlab.com:133492/database', ['mohd'], { ssl : true }); db.on('error', function (err) { console.log('database error', err); });

i am new in mongodb. i am creating free database using mongolab. my database name is enron. connecting to mongo database using online mongoshell then error occure. mongo ds033499.mongolab.com:33499/enron -u user -p user123 error SyntaxError: Unexpected identifier I had this problem and found that mongod.exe was interfering and wouldn't let me connect remotely. Without mongod.exe running, the mongo.exe wouldn't open from windows, so you have to goto the mongo/bin directory in the cmd prompt and THEN run your remote connection syntax there and it will work. Your Syntax is OK. this syntax is for

I'm trying to get mongodb query working. Collection comes in the format: { "_id": { "$oid": "54651022bffebc03098b4567" }, "browser": "ie", "browser_version": "10.0 Desktop", "os_version": "8", "device": null, "os": "Windows" } The following works: { "_id": { "$in": [ { "$oid": "54651022bffebc03098b4567" }, { "$oid": "54651022bffebc03098b4568" } ] } } However, I get a syntax error for the following: { "_id": { "$in": [ ObjectId("54651022bffebc03098b4567"), ObjectId("54651022bffebc03098b4568") ] } } There are a similar questions that suggested that ObjectId should work: How to create query with

i created a mongodb instance in mongolab It provided me with a connection URI. mongodb://<dbuser>:<dbpassword>@ds041177.mongolab.com:41177/myclouddb I used the following java code to connect to my database- Mongo m = new Mongo(); com.mongodb.DBAddress dba=new DBAddress("mongodb://admin:password@ds041177.mongolab.com:41177/myclouddb"); m.connect(dba); But this throws a NumberFormatException java.lang.NumberFormatException: For input string: "" What am i doing wrong? Rob Moore That is a MongoDB URI. Instead of passing it to a DBAddress just pass it to a MongoURI and then pass that to the Mongo

I have been interfacing with twitter using nodejs. I'm trying to log some important public user data in a mongolab mongodb database. For some reason I keep getting a "topology destroyed error" I'm not quite sure why this is. var Twitter = require('twitter'); var mongodb = require('mongodb'); var accounts = ['@zaynmalik', '@ZooeyDeschanel']; var client = new Twitter({ consumer_key: 'key', consumer_secret: 'secret', access_token_key: 'key', access_token_secret: 'secret' }); var MongoClient = mongodb.MongoClient; var url = "mongodb://user:pass@mongolab.com:numbers/db"; MongoClient.connect(url,