try {
		    	  Class.forName("org.postgresql.Driver");
		          con = DriverManager.getConnection("jdbc:postgresql://" + host + ":" + port + "/" + database + "?autoReconnect=true", username, password);
		      } catch (ClassNotFoundException e) {
					System.out.println("Driver not found!");
		      } catch (Exception e) {
		         e.printStackTrace();
		         System.err.println(e.getClass().getName()+": "+e.getMessage());
		      }
		      System.out.println("Connected to database");