?????????????????????????????????????sql????: Cannot create **bean.
??????????????sql???д????????????sql??????????????????????????????2????????.
????????????????￡???????????dbutil??jar?????洢????????.????dbutil??????????????????????????bean??(????в??????????).
???????????????class????????????????????????????dbutil?????????????.
public Teachergroup(String teacherId?? String groupId)
{
super();
this.teacherId = teacherId;
this.groupId = groupId;
}
????????????????????????????????!
public Teachergroup()
{
super();
}