Discussion :

[Fr@ncky]

Bonjour,

J'ai le modèle de données suivant:



avec l'entité Eleve suivante:

Code :

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@Entity(name = "Eleve")
@Table(name = "eleve")
public class Eleve implements Serializable {


@Id
	@GeneratedValue(strategy = GenerationType.SEQUENCE)
	@Column(name = "id", updatable = false, nullable = false)
privateintid;


	private String nom;


	private String prenom;


@Column(name = "date_naissance")
private Date dateNaissance;


	private String adresse;


	@ManyToMany(cascade = { CascadeType.ALL })
	@JoinTable(name = "cours_eleve", joinColumns = { @JoinColumn(name = "eleve_id") }, inverseJoinColumns = {
			@JoinColumn(name = "cours_id") })
	public Set<Cours> cours = new HashSet<Cours>();


	public Eleve() {
		super();
	}


	public int getId() {
returnid;
	}


	public void setId(int id) {
		this.id = id;
	}


	public Eleve(String nom, String prenom, Integer annee) {
		super();
		this.nom = nom;
		this.prenom = prenom;


	}


	public Eleve(String nom, String prenom, Date dateNaissance, String adresse) {
		super();
		this.nom = nom;
		this.prenom = prenom;


this.dateNaissance = dateNaissance;
		this.adresse = adresse;
	}


	public String getNom() {
returnnom;
	}


	public void setNom(String nom) {
		this.nom = nom;
	}


	public String getPrenom() {
returnprenom;
	}


	public void setPrenom(String prenom) {
		this.prenom = prenom;
	}


	public Date getDateNaissance() {
returndateNaissance;
	}


	public void setDateNaissance(Date dateNaissance) {
this.dateNaissance = dateNaissance;
	}


	public String getAdresse() {
returnadresse;
	}


	public void setAdresse(String adresse) {
		this.adresse = adresse;
	}


	public Set<Cours> getCours() {
returncours;
	}


	public void setCours(Set<Cours> cours) {
		this.cours = cours;
	}

Lorsque j'invoque cette entité, j'ai le message d'erreur suivant qui est généré par la relation @manytoone (si je l'enlève, tout fonctionne parfaitement):

Exception in thread "main" javax.ejb.EJBException: java.rmi.MarshalException: CORBA MARSHAL 1330446347 Maybe; nested exception is: org.omg.CORBA.MARSHAL: AVERTISSEMENT: 00810011: Exception from readValue on ValueHandler in CDRInputStream vmcid: OMG minor code: 11 completed: Maybe
at ch.myapp.bean._MySessionBeanRemote_Wrapper.findEleveById(ch/myapp/bean/_MySessionBeanRemote_Wrapper.java)
at ch.myapp.test.datasource.EJBTester.<init>(EJBTester.java:46)
at ch.myapp.test.datasource.EJBTester.main(EJBTester.java:74)
Caused by: java.rmi.MarshalException: CORBA MARSHAL 1330446347 Maybe; nested exception is:
org.omg.CORBA.MARSHAL: AVERTISSEMENT: 00810011: Exception from readValue on ValueHandler in CDRInputStream vmcid: OMG minor code: 11 completed: Maybe
at com.sun.corba.ee.impl.javax.rmi.CORBA.Util.mapSystemException(Util.java:267)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:201)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:140)
at com.sun.corba.ee.impl.presentation.rmi.codegen.CodegenStubBase.invoke(CodegenStubBase.java:226)
at ch.myapp.bean.__MySessionBeanRemote_Remote_DynamicStub.findEleveById(ch/myapp/bean/__MySessionBeanRemote_Remote_DynamicStub.java)
... 3 more
Caused by: org.omg.CORBA.MARSHAL: AVERTISSEMENT: 00810011: Exception from readValue on ValueHandler in CDRInputStream vmcid: OMG minor code: 11 completed: Maybe
at com.sun.proxy.$Proxy19.valuehandlerReadException(Unknown Source)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.readRMIIIOPValueType(CDRInputStream_1_0.java:826)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:921)
at com.sun.corba.ee.impl.encoding.CDRInputObject.read_value(CDRInputObject.java:518)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl$14.read(DynamicMethodMarshallerImpl.java:383)
at com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshallerImpl.readResult(DynamicMethodMarshallerImpl.java:482)
at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:191)
... 6 more
Caused by: java.io.StreamCorruptedException: AVERTISSEMENT: ORBIO00013: Stream corrupted
at com.sun.proxy.$Proxy69.streamCorrupted(Unknown Source)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2527)
at com.sun.corba.ee.impl.io.IIOPInputStream.inputObjectUsingFVD(IIOPInputStream.java:1627)
at com.sun.corba.ee.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:348)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:311)
at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:277)
at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.readRMIIIOPValueType(CDRInputStream_1_0.java:819)
... 11 more

Qu'est-ce que je fais faux ?

Merci

[Fr@ncky]

J'ai trouvé un exemple qui m'a permis de réaliser ce many to one.