我试图插入到多对多的关系中使用Hibernate，但我得到这个错误插入到多对多的关系。错误而使用Hibernate
2014年4月24日14：50：47820 ERROR [BasicPropertyAccessor.java:118]：抛出：IllegalArgumentException类：com.jellboi.maniartyre.entities.AbstractEntity，财产setter方法：p键
2014 -04-24 14：50：47,827错误[BasicPropertyAccessor.java:122]：预期类型：java.lang.Long，实际值：org.hibernate.id.IdentifierGeneratorHelper $ 2
2014年4月24日2:55： 25日下午org.apache.catalina.core.StandardWrapperValve调用 重度：Servlet.service（）进行的servlet的ApplicationController抛出异常 java.lang.IllegalArgument例外：[email protected] 在sun.reflect.GeneratedMethodAccessor27.invoke（未知来源） 在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:25） 在java.lang.reflect.Method.invoke（ Method.java:597）
这是我正在尝试的代码。 VehicleProduct类
@Entity
@Table(name="m_vehicle_product")
@AssociationOverrides({
@AssociationOverride(name = "pk.vehicle",
joinColumns = @JoinColumn(name = "vehicle_id")),
@AssociationOverride(name = "pk.product",
joinColumns = @JoinColumn(name = "product_id")),
})
public class VehicleProduct extends AbstractEntity{
private String service;
private VehicleProductId pk = new VehicleProductId();
@Column(name = "service")
public String getService() {
return service;
}
public void setService(String service) {
this.service = service;
}
@EmbeddedId
public VehicleProductId getPk() {
return pk;
}
public void setPk(VehicleProductId pk) {
this.pk = pk;
}
@Transient
public Product getProduct(){
return getPk().getProduct();
}
public void setProduct(Product product){
getPk().setProduct(product);
}
@Transient
public Vehicle getVehicle(){
return getPk().getVehicle();
}
public void setVehicle(Vehicle vehicle){
getPk().setVehicle(vehicle);
}
}
VehicleProductId类
@Embeddable
public class VehicleProductId implements java.io.Serializable {
private Vehicle vehicle;
private Product product;
@ManyToOne
public Vehicle getVehicle() {
return vehicle;
}
public void setVehicle(Vehicle vehicle) {
this.vehicle = vehicle;
}
@ManyToOne
public Product getProduct() {
return product;
}
public void setProduct(Product product) {
this.product = product;
}
}
这就是我如何插入。
for(int i=0;i<jobid.length;i++){
product = productService.findByPkey(jobid[i]);
vehicleProduct.setProduct(product);
vehicleProduct.setService(jobdesc[i]);
pkey2 = vehicleProductService.save(vehicleProduct);
}
请指导我。试着从几个小时来解决这个问题。
编辑
@MappedSuperclass
public class AbstractEntity implements IEntity, Serializable{
private static final long serialVersionUID = 1L;
private Long pkey;
private Boolean deleted;
private String creator;
private Date created;
private String changer;
private Date changed;
private Long version;
@Id
@GeneratedValue
@Column(name="pkey")
public Long getPkey() {
return pkey;
}
public void setPkey(Long pkey) {
this.pkey = pkey;
}
@Column(name="deleted")
@XmlTransient
public Boolean getDeleted() {
return deleted;
}
public void setDeleted(Boolean deleted) {
this.deleted = deleted;
}
@Column(name="creator")
public String getCreator() {
return creator;
}
}........
它包含了所有这些getter和setter方法。
你可以发布AbstractEntity的代码吗？ –
@ Shiraaz.M添加了代码。 – jellboi