施用Hibernate 过程中 报—— cannot simultaneously fetch multiple bags
使用Hibernate 过程中 报—— cannot simultaneously fetch multiple bags
解决方法有:
1.将fetchType改为懒加载
2.加上注解@Fetch(FetchMode.SUBSELECT)
@Fetch(FetchMode.SUBSELECT) public List<Model> getModels() { return this.models; }