MEAN app crashed after some queries

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Amir Salar Pourhasan

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Mar 8, 2017, 3:04:29 AM3/8/17

to nodejs

This is my app config codes:

'use strict';
/* Import all nedeed packages and exported modules */
var express = require('express')
, bodyParser = require('body-parser')
, session = require('express-session')
, jsonwebtoken = require('jsonwebtoken')
, mongoose = require('mongoose')
, moment = require('moment')
, os = require('os')
, compression = require('compression')
, config = require('./config.js')
, fs = require('fs');

var app = express();
/* Session config */
app.use(session({
    secret: config.secureHasherKey ,
    resave: false,
    saveUninitialized: true
}));

var baseUrl = config.url + ':' + config.port;

/* Mongodb connection by mongoose module */
mongoose.Promise = global.Promise;

mongoose.connect(config.dbhost + config.dbname, function(err){
    if(err){
        console.log(err);
    } else {
        console.log('connected to the database successfuly.');
    }
});

I have a MEAN stack application and it works perfectly and I have a page for adding posts ajaxly by angular 1.5. My problem is my application crashes after adding some posts fastly!! why?