小编Mic*_*el1的帖子

为什么在我的程序中会触发 java.lang.ClassCastException ？

java.lang.ClassCastException: [Ljava.lang.Object; 不能投射到 com.App.Equip]

查询返回已回答（在 CheckLists calsse 中找到）但尚未由 Equip 对象回答的清单列表

- 这是代码：

import org.json.simple.*;

    @SuppressWarnings("unchecked")

public JSONObject ListCheckListsNonETRepondu( long idEqp, long idmiss){

       Query query = manager.createNativeQuery("SELECT"
        + " checksl.id_check_lists as IdCheckLists,"
        + " checksl.titre_check as NomCheckLists,"
        + " checksl.recommendation as Recommendation, "
        + " resp.id_responsescheck as IdResponse, "
        + " resp.conformite as Conformite, "
        + " resp.date_response as DateResponse, "
        + " resp.missions_id as IdMission "
        + " FROM equipements eq "
        + " LEFT JOIN check_lists …