Re: while loop is not working properly why

cursor is not going inside the while why??

public void fetch_data() throws Exception
    {
     Mongo mongo = new Mongo("localhost", 27017);
    DB db = mongo.getDB("relevancy_data");
    DBCollection collection = db.getCollection("relevancy");

    BasicDBObject andQuery = new BasicDBObject();
    List<BasicDBObject> obj = new ArrayList<BasicDBObject>();
    obj.add(new BasicDBObject("Platform","ElasticSearch"));
    obj.add(new BasicDBObject("Enviroment", "Developer"));
    obj.add(new BasicDBObject("Test_name", "Search_apple"));
    andQuery.put("$and", obj);

    System.out.println(obj.size());
    //System.out.println(andQuery.toString());

    DBCursor cursor = collection.find(andQuery);

    while (cursor.hasNext()) {
        System.out.println("inside of while");
        System.out.println(cursor.next());
    }
        System.out.println("outside of while");

    }