hql select new 自定义对象时报空指针错误

Java code

String hql = "select new fi.salesManagement.bean.PurchaseVo(f.inId as Id,f.ifoId as ifoId,i.UTime as time,f.ACurnum as count,f.inPrice as inprice) from PurchaseInStorageInfo f inner join PurchaseInStorage i with f.inId = i.inId and  f.delFlag = 0 and i.delFlag = 0 and f.AId = ? and f.sId = ?";        String hql = "select new fi.salesManagement.bean.PurchaseVo(f.inId as Id,f.ifoId as ifoId,i.UTime as time,f.ACurnum as count,f.inPrice as inprice) from PurchaseInStorageInfo f, PurchaseInStorage i where f.inId = i.inId";        List<PurchaseVo> PurchaseVoList = this.createQuery(getSession(), hql, values).list();

PurchaseVo定义和构造方法如下：

Java code

        private Long inId;    private Long ifoId;    private Date UTime;    private Long ACurnum;    private BigDecimal inPrice;    public PurchaseVo(Long inId, Long ifoId, Date uTime, Long aCurnum,            BigDecimal inPrice) {        super();        this.inId = inId;        this.ifoId = ifoId;        UTime = uTime;        ACurnum = aCurnum;        this.inPrice = inPrice;    }

但是当我执行this.createQuery(getSession(), hql, values).list()的时候就报空指针错误，到底这是那里出错了，高手指教

[解决办法]
楼主，你开始那个问题怎么解决的？