private MongoClient createMongoClient() {
    try {
      logger.debug("Testing Mongo socket address : " + dbHost + " / " + dbPort);

      Socket testingSocket = new Socket(dbHost, dbPort);
      testingSocket.close();
    } catch (Exception e) {
      logger.warn(
          "Cannot connect to "
              + dbHost
              + " / "
              + dbPort
              + ", No MongoDB running or wrong configuration : "
              + e.getMessage());
      return null;
    }

    try {
      logger.debug("Creating new mongo client");
      MongoClient mongoClient = null;

      MongoClientOptions.Builder options = new MongoClientOptions.Builder();
      options.connectTimeout(dbTimeOut);
      mongoClient = new MongoClient(new ServerAddress(dbHost, dbPort), options.build());

      return mongoClient;

    } catch (UnknownHostException exception) {
      logger.error("Cannot create MongoDB Client " + exception.getStackTrace());
      return null;
    }
  }
Esempio n. 2
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  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());
    }
  }