No property sql found for type xxx.xxx.entity.UserdefinedGroup

Hibernate JPA报错：No property sql found for type xxx.xxx.entity.UserdefinedGroup

1)原因是：dao层实现类写错了，实现类里面需要添加dao

public interface UserdefinedGroupDao  extends UserdefinedGroupDaoCustom, CrudRepository<UserdefinedGroup, Long> {}

//DAO自定义接口

interface UserdefinedGroupDaoCustom extends BaseDao<UserdefinedGroup> {}

//DAO自定义接口实现

@Repository

class UserdefinedGroupImpl extends BaseDaoImpl<UserdefinedGroup> implements UserdefinedGroupDaoCustom {}

2) 解决方法：把 UserdefinedGroupImpl 改为UserdefinedGroupDaoImpl就可以了