當我嘗試使用組合鍵時保存實體時,出現異常。這是我嘗試保存的例外情況,模型和存儲庫。誰能幫忙?無法使用組合鍵保存實體
org.springframework.beans.TypeMismatchException:未能轉換類型的 屬性值 'org.CheckType _ _ $$ jvst96c_4' 爲屬性 'checkType' 所需的類型 'INT';嵌套的例外是 java.lang.IllegalArgumentException異常:無法轉換 類型的值「org.CheckType _ $$ _ jvst96c_4」所需類型「詮釋」財產 「checkType」:屬性編輯 [org.springframework.beans.propertyeditors.CustomNumberEditor] 返回類型的值不正確「org.CheckType _ $$ _ jvst96c_4」
@Entity
public class CheckType {
@Id
private int id;
@NotNull
private String name;
@OneToMany(mappedBy = "checkType")
private List<ClientCheck> checks;
//getters and setters
}
@Entity
public class Offer {
@Id
@Column(name = "offerid")
private Integer offerId;
//...
@OneToMany(mappedBy = "offer")
private List<ClientCheck> clientCheckList;
//getters and setters
}
@Entity
@IdClass(ClientCheckId.class)
public class ClientCheck {
@Id
@ManyToOne
@JoinColumn(name = "offer_id", referencedColumnName = "offerid")
private Offer offer;
@Id
@ManyToOne
@JoinColumn(name = "check_type_id", referencedColumnName = "id")
private CheckType checkType;
@Id
private Date timestamp;
private String result;
//getters and setters
}
public class ClientCheckId implements Serializable {
private int offer;
private int checkType;
private Date timestamp;
//getters and setters
//equals and hashCode
}
public interface ClientCheckRepo extends JpaRepository<ClientCheck, ClientCheckId> {
}
什麼是上下文?你如何創建和保存這個實體?通過MVC請求? –
我不知道情境是否重要;我收到控制器的請求,進行/保存報價,創建時間戳,讀取檢查類型,併爲每個檢查獲得檢查結果,然後保存所有參數設置的檢查。 – Ivan
上下文很重要,因爲錯誤'org.springframework.beans.TypeMismatchException'表明問題在於綁定請求參數。你能發佈相關的控制器代碼嗎? –