package auction.exceptions;/** * This exception is used to mark business rule violations. * * @author Christian Bauer */public class BusinessException	extends RuntimeException {	public static final String ERROR_MSG = "business_error_msg";	public BusinessException() {}	public BusinessException(String message) {		super(message);	}	public BusinessException(String message, Throwable cause) {		super(message, cause);	}	public BusinessException(Throwable cause) {		super(cause);	}}