Java HTML/XML - 如何处理JaxB的gMonth验证错误...

import java.util.GregorianCalendar;

import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;

public class Main {

  public static void main(final String[] args) throws Exception {

    GregorianCalendar gcal = (GregorianCalendar) GregorianCalendar
        .getInstance();
    XMLGregorianCalendar xgcal = DatatypeFactory.newInstance()
        .newXMLGregorianCalendar(gcal);
    System.out.println(xgcal);
  }

}