title: Pentaho Report Designer can't find MongoDB 's collections while connecting
body: <p>I am using Pentaho Data Integration (PDI), for writing big data to Mongo DB.
  I am going to setup the connection of my NOSQL database to Pentaho Report Designer (PRD). When I am doing that I am able to start the configuration with Host Name and port of Mongo; even PDR can find my DB. </p>
  
  <p>What is the issue? PDR cannot find any collection, which is why I cannot proceed for setting up my data in the tool Report.</p>
  
  <p>I don't understand why.
  Anyone have an idea about that?</p>
  
  <p>PDR version 5.1
  Mongo 3.2.3
  OS Windows</p>