这些是我的类，xml配置文件和我的控制台上打印的错误：
LigneFacture.java：
package model;
import java.io.Serializable;
public class LigneFacture implements Serializable {
private int id;
private int qte;
// private Produit produit;
private EnteteFacture enteteFacture;
private Produit produit;
public LigneFacture() {
super();
}
public LigneFacture(int qte) {
super();
this.qte = qte;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public EnteteFacture getEnteteFacture() {
return enteteFacture;
}
public void setEnteteFacture(EnteteFacture enteteFacture) {
this.enteteFacture = enteteFacture;
}
public Produit getProduit() {
return produit;
}
public void setProduit(Produit produit) {
this.produit = produit;
}
public int getQte() {
return qte;
}
public void setQte(int qte) {
this.qte = qte;
}
}
LigneFactureServlet.java：
package controller;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import dao.LigneFactureDaoImpl;
import model.EnteteFacture;
import model.LigneFacture;
import model.Produit;
import services.EnteteFactureServiceImpl;
import services.LigneFactureServiceImpl;
import services.ProduitServiceImpl;
/**
* Servlet implementation class LigneFactureServlet
*/
@WebServlet("/LigneFactureServlet")
public class LigneFactureServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public LigneFactureServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
* response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
RequestDispatcher disp = request.getRequestDispatcher("/View/AjouterLigneFacture.jsp");
disp.forward(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
* response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
if ((request.getParameter("ajouterLigneFacture")) != null) {
String stringquantite = request.getParameter("quantite");
int qte = Integer.parseInt(stringquantite);
String[] entete = request.getParameterValues("enteteFacture");
int codeEntete = Integer.parseInt(entete[0]);
String[] produit = request.getParameterValues("produit");
int codeProd = Integer.parseInt(produit[0]);
EnteteFactureServiceImpl enteteFactureService = new EnteteFactureServiceImpl();
// ClientServiceImpl produitService = new ClientServiceImpl();
EnteteFacture enteteFacture = enteteFactureService.retourner(codeEntete);
ProduitServiceImpl produitService = new ProduitServiceImpl();
Produit product = produitService.retourner(codeProd);
if (qte <= product.getQuantiteStock()) {
product.setQuantiteStock((product.getQuantiteStock()) - qte);
//ProduitServiceImpl produitService = new ProduitServiceImpl();
produitService.modifier(product);
LigneFacture ligneFacture = new LigneFacture();
ligneFacture.setQte(qte);
ligneFacture.setEnteteFacture(enteteFacture);
Produit modifiedProduct = produitService.retourner(codeProd);
ligneFacture.setProduit(modifiedProduct);
LigneFactureServiceImpl ligneFactureServiceImpl = new LigneFactureServiceImpl();
ligneFactureServiceImpl.ajouter(ligneFacture);
RequestDispatcher dispatcher = request.getRequestDispatcher("/View/AjouterLigneFacture.jsp");
dispatcher.forward(request, response);
} else {
System.out.println("ERREUR !!!!!");
RequestDispatcher dispat = request.getRequestDispatcher("/View/ErreurLigneFacture.jsp");
dispat.forward(request, response);
}
}
}
}
LigneFacture.hbm.xml：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="model.LigneFacture" table="LIGNE_FACTURE">
<composite-id name="id" class="model.LigneFacture">
<key-many-to-one name="Produit" entity-name="model.Produit"
column="CODE_PRODUIT" />
<key-many-to-one name="EnteteFacture" entity-name="model.EnteteFacture"
column="ID_ENTETE_FACTURE" />
</composite-id>
<property name="qte" column="QUANTITE" />
</class>
</hibernate-mapping>
EnteteFacture.hbm.xml：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="model.EnteteFacture" table="ENTETE_FACTURE">
<meta attribute="class-description">
</meta>
<id name="id" column="ID_ENTETE_FACTURE">
<generator class="native"/>
</id>
<property name="date" column="DATE" />
<property name="total" column="TOTAL" />
<many-to-one name="client" class="model.Client" fetch="select" update="true">
<column name="ID_CLIENT" not-null="true" />
</many-to-one>
<set name="ligneFacture" table="LIGNE_FACTURE" inverse="true"
fetch="select" cascade="all">
<key>
<column name="ID_ENTETE_FACTURE" not-null="true" />
</key>
<one-to-many class="model.LigneFacture" />
</set>
</class>
</hibernate-mapping>
Produit.hbm.xml：
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="model.Produit" table="PRODUIT">
<meta attribute="class-description">
</meta>
<id name="codeProduit" column="CODE_PRODUIT">
<generator class="native"/>
</id>
<property name="nom" column="NOM" />
<property name="description" column="DESCRIPTION" />
<property name="prix" column="PRIX" />
<property name="quantiteStock" column="QUANTITE_STOCK" />
<many-to-one name="categorie" class="model.Categorie" fetch="select" update="true">
<column name="CODE_CATEGORIE" not-null="true" />
</many-to-one>
<set name="ligneFacture" table="LIGNE_FACTURE" inverse="true"
fetch="select" cascade="all">
<key>
<column name="CODE_PRODUIT" not-null="true" />
</key>
<one-to-many class="model.LigneFacture" />
</set>
</class>
</hibernate-mapping>
这是我的控制台上的错误：
7088 [http-nio-8081-exec-2] ERROR org.hibernate.property.BasicPropertyAccessor - IllegalArgumentException in class: model.LigneFacture, getter method of property: Produit
org.hibernate.PropertyAccessException: IllegalArgumentException occurred calling getter of model.LigneFacture.Produit
at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:195)
at org.hibernate.tuple.component.AbstractComponentTuplizer.getPropertyValue(AbstractComponentTuplizer.java:87)
at org.hibernate.tuple.component.AbstractComponentTuplizer.getPropertyValues(AbstractComponentTuplizer.java:93)
at org.hibernate.tuple.component.PojoComponentTuplizer.getPropertyValues(PojoComponentTuplizer.java:109)
at org.hibernate.type.ComponentType.getPropertyValues(ComponentType.java:376)
at org.hibernate.type.ComponentType.getHashCode(ComponentType.java:207)
at org.hibernate.engine.EntityKey.generateHashCode(EntityKey.java:126)
at org.hibernate.engine.EntityKey.<init>(EntityKey.java:70)
at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:184)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:144)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:562)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:550)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:546)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:342)
at com.sun.proxy.$Proxy4.save(Unknown Source)
at dao.GenericDaoHibernateImpl.add(GenericDaoHibernateImpl.java:49)
at dao.LigneFactureDaoImpl.ajouter(LigneFactureDaoImpl.java:12)
at services.LigneFactureServiceImpl.ajouter(LigneFactureServiceImpl.java:25)
at controller.LigneFactureServlet.doPost(LigneFactureServlet.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:169)
... 50 more
答案 0 :(得分：0)
hbm中的类名应包含包名和类名，即整个类路径
只有这样，hibernate才能找到你的课程。