public MongoDB() { try { mongo = new MongoClient(HOST, PORT); db = mongo.getDB(DB_NAME); table = db.getCollection(COLLECTION_NAME); dataLoader = new MongoDBDataLoader(table); } catch (final UnknownHostException unknownHostException) { System.err.println(unknownHostException.getMessage()); System.err.println(unknownHostException.getStackTrace()); } catch (final MongoException mongoException) { System.err.println(mongoException.getMessage()); System.err.println(mongoException.getStackTrace()); } }