No reponse of restful service after deploying

//AlertDao.java the service to insert country name in country table

public class AlertDao {
public boolean insertCountry(Connection connection, String countryName) {

		PreparedStatement ps;
		boolean insertStatus = false;

		try {
			ps = connection.prepareStatement("SELECT COUNTRY_ID FROM COUNTRY WHERE COUNTRY_NAME = ?");
			ps.setString(1, countryName);
			ResultSet rs = ps.executeQuery();
			if (!rs.next()) {
				rs.close();
				ps.close();
				ps = connection.prepareStatement("INSERT INTO COUNTRY (COUNTRY_NAME) VALUES (?) ");
				ps.setString(1, countryName);
				int records = ps.executeUpdate();
				if (records > 0) {
	                insertStatus = true;
	            }

			}

			ps.close();
			connection.commit();
			connection.close();

		} catch (Exception e) {
			System.out.println(e);
		}

		return insertStatus;

	}

}
/*************************************************************************************/
//Database.java for connection with mySQL
public class Database {


	public Connection Get_Connection() throws Exception
	{
	try
	{
	String connectionURL = "jdbc:mysql://localhost:3306/atm";
	Connection connection = null;
	Class.forName("com.mysql.jdbc.Driver").newInstance();
	connection = DriverManager.getConnection(connectionURL, "root", "admin");
	return connection;
	}
	catch (SQLException e)
	{
	throw e;
	}
	catch (Exception e)
	{
	throw e;
	}
	}


}
/**************************************************************************************************/

//AtmService.java to call service to insert country name in mysql db
@Path("/WebService")
public class AtmService {
@PUT
	@Path("/insertCountry")
	//@PathParam("connection")
	//@PathParam("countryName")

	public int insertCountry(String countryName) {
		System.out.println("Inside checkCredentials");
		int result = 3;
		try {
			Database database = new Database();
			Connection connection = database.Get_Connection();

			AlertDao n = new AlertDao();
			boolean b = n.insertCountry(connection, countryName);

			Gson gson = new Gson();
			System.out.println(gson.toJson(b));

			result = 1;

		} catch (Exception e) {
			System.out.println(e);
		}
       System.out.println(result);
		return result;

	}

}
/*******************************************/
URL which I am passing
http://localhost:8080/DemoJavaAngular/REST/WebService/insertCountry/"INDIA"

DemoJavaAngular- Project Name
REST - URL pattern
WebService/insertContry - Path name
"INDIA" - parameter

My question after passing this URL I am getting no response neither the country name is added nor any kind of exception or erros are genrated.