document 和 edition类是一对多关联@OneToMany(mappedBy="document",cascade={CascadeType.PERSIST},fetch=FetchType.LAZY)
@OrderBy("id desc")
public List<Edition> getEditions() {
    return editions;
}在documentaction中用到
document.getEditions().get(0).getEditionstr()
出错,错误信息是no sessiondocument.getEditions().get(0).getEditionstr()fetch=FetchType.LAZY不管用吗????