Erreur : Struts - Hibernate - Mapping
Bonsoir,
Lorsque j'effectue l'opération suivante dans mon Action:
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|
Patient lePatient = new Patient();
IPatientDAO IPDao = new HibernateDAOFactory().getPatientDAO();
Patient monPatient = IPDao.getPatientById(4);
BeanUtils.copyProperties(lePatient, monPatient); |
j'ai le message d'erreur suivant quand il exécute copyProperties :
Citation:
org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: db.Patient.consultations, no session or session was closed
org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358)
org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350)
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:343)
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:86)
org.hibernate.collection.PersistentSet.toString(PersistentSet.java:309)
org.apache.commons.beanutils.BeanUtilsBean.copyProperty(BeanUtilsBean.java:328)
org.apache.commons.beanutils.BeanUtilsBean.copyProperties(BeanUtilsBean.java:261)
org.apache.commons.beanutils.BeanUtils.copyProperties(BeanUtils.java:114)
action.ChoosePatient.execute(ChoosePatient.java:51)
org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
Mon fichier Patient.hbm :
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| <hibernate-mapping>
<class name="db.Patient" table="patient">
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="increment" />
</id>
<property name="nom" type="string">
<column name="nom" length="45" not-null="true" />
</property>
<property name="prenom" type="string">
<column name="prenom" length="45" not-null="true" />
</property>
<property name="dateNaissance" type="timestamp">
<column name="date_naissance" length="19" not-null="true" />
</property>
<set name="consultations" inverse="true">
<key>
<column name="idpatient" not-null="true" />
</key>
<one-to-many class="db.Consultation" />
</set>
</class>
</hibernate-mapping> |
ma classe Patient :
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| public class Patient implements java.io.Serializable {
private Integer id;
private String nom;
private String prenom;
private Date dateNaissance;
private Set<Consultation> consultations = new HashSet<Consultation>(0);
public Patient() {
}
public Patient(String nom, String prenom, Date dateNaissance) {
this.nom = nom;
this.prenom = prenom;
this.dateNaissance = dateNaissance;
}
public Patient(String nom, String prenom, Date dateNaissance,
Set<Consultation> consultations) {
this.nom = nom;
this.prenom = prenom;
this.dateNaissance = dateNaissance;
this.consultations = consultations;
}
public Integer getId() {
return this.id;
}
public void setId(Integer id) {
this.id = id;
}
public String getNom() {
return this.nom;
}
public void setNom(String nom) {
this.nom = nom;
}
public String getPrenom() {
return this.prenom;
}
public void setPrenom(String prenom) {
this.prenom = prenom;
}
public Date getDateNaissance() {
return this.dateNaissance;
}
public void setDateNaissance(Date dateNaissance) {
this.dateNaissance = dateNaissance;
}
public Set<Consultation> getConsultations() {
return this.consultations;
}
public void setConsultations(Set<Consultation> consultations) {
this.consultations = consultations;
}
} |
Merci d'avance pour votre aide!
