comment échapper à org.hibernate.LazyInitializationException: could not initialize proxy - no Session
bonjour j’espère que quelqu'un peut m'aider
voici mon entity
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package Entity;
// Generated 7 juil. 2011 14:33:26 by Hibernate Tools 3.2.1.GA
import java.util.HashSet;
import java.util.Set;
/**
* Profil generated by hbm2java
*/
public class Profil implements java.io.Serializable {
private String libelleprofil;
private String statusp;
private Set droitprofils = new HashSet(0);
private Set agents = new HashSet(0);
public Profil() {
}
public Profil(String libelleprofil) {
this.libelleprofil = libelleprofil;
}
public Profil(String libelleprofil, String statusp, Set droitprofils, Set agents) {
this.libelleprofil = libelleprofil;
this.statusp = statusp;
this.droitprofils = droitprofils;
this.agents = agents;
}
public String getLibelleprofil() {
return this.libelleprofil;
}
public void setLibelleprofil(String libelleprofil) {
this.libelleprofil = libelleprofil;
}
public String getStatusp() {
return this.statusp;
}
public void setStatusp(String statusp) {
this.statusp = statusp;
}
public Set getDroitprofils() {
return this.droitprofils;
}
public void setDroitprofils(Set droitprofils) {
this.droitprofils = droitprofils;
}
public Set getAgents() {
return this.agents;
}
public void setAgents(Set agents) {
this.agents = agents;
}
} |
le mapping de cette entity
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<hibernate-mapping>
<class name="Entity.Profil" schema="EBANKING" table="PROFIL">
<id name="libelleprofil" type="string">
<column length="254" name="LIBELLEPROFIL"/>
<generator class="assigned"/>
</id>
<property name="statusp" type="string">
<column length="6" name="STATUSP"/>
</property>
<set inverse="true" name="droitprofils">
<key>
<column length="254" name="LIBELLEPROFIL"/>
</key>
<one-to-many class="Entity.Droitprofil"/>
</set>
<set inverse="true" name="agents">
<key>
<column length="254" name="LIBELLEPROFIL"/>
</key>
<one-to-many class="Entity.Agent"/>
</set>
</class>
</hibernate-mapping> |
j'ai une interface qui contient un formulaire ou je saisie les informations d'un agent plus d'une liste déroulante de profil .
voici le bean de l'agent
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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package Beans;
import Entity.Agent;
import Entity.Profil;
import Interfaces.InterfaceService;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import org.richfaces.component.UIDataTable;
/**
*
* @author Administrateur
*/
public class AgentBean extends messageBean implements Serializable{
/** Creates a new instance of AgentBean */
private Agent agn;
private InterfaceService agnService;
private InterfaceService prfService;
private List agent_list = new ArrayList();
private List profil_list = new ArrayList();
private Hashtable prflist = new Hashtable();
private String current_service;
private boolean init;
private Integer index = 0;
private String message;
private boolean nouveau;
private UIDataTable dataTable;
public void viderchamps() {
setMessage("");
changeretat();
this.setAgn(new Agent());
setNouveau(true);
}
public void annuler() {
setMessage("");
setAgent_list((List) getAgent_list());
setAgn((Agent) agent_list.get(getIndex()));
changeretat();
}
public void chargercombo() {
setCurrent_service(this.getAgn().getProfil().getLibelleprofil());
}
public boolean isInit() {
setMessage("");
getPrflist();
getAgent_list();
if (!(agent_list.isEmpty())) {
setAgent_list((List) getAgent_list());
setAgn((Agent) agent_list.get(0));
chargercombo();
}
etat = true;
invetat = !etat;
return init;
}
public AgentBean() {
this.agn = new Agent();
this.agn.setProfil(new Profil());
}
public void create() {
if (isNouveau()) {
try {
this.getAgn().setProfil((Profil) prflist.get(getCurrent_service()));
this.getAgnService().save(this.getAgn());
setMessage(mess_insert_true);
style_message = "valid_message";
chargercombo();
} catch (Exception hx) {
hx.printStackTrace();
setMessage(mess_op_false);
style_message = "err_message";
}
} else {
try {
this.getAgn().setProfil((Profil) prflist.get(getCurrent_service()));
this.getAgnService().modify(getAgn());
setMessage(mess_modif_true);
style_message = "valid_message";
chargercombo();
} catch (Exception hx) {
hx.printStackTrace();
setMessage(mess_op_false);
style_message = "err_message";
}
}
changeretat(); }
public void modifierligne() {
this.setAgn((Agent) getDataTable().getRowData());
chargercombo();
setMessage("");
setNouveau(false);
changeretat();}
public void modifier() {
setMessage("");
setNouveau(false);
changeretat(); }
public void supprimer() {
try {
this.getAgnService().delete(getAgn());
setMessage(mess_del_true);
style_message = "valid_message";
if (getIndex() > 0) {
setIndex((Integer) (getIndex() - 1));
}
setAgent_list((List) getAgent_list());
if (!agent_list.isEmpty()) {
setAgn((Agent) agent_list.get(getIndex()));
chargercombo();
} else {
viderchamps();
changeretat();
}
} catch (Exception hx) {
hx.printStackTrace();
setMessage(mess_op_false);
}
}
public List getAgent_list() {
setAgent_list(this.getAgnService().findAll());
return agent_list; }
public Hashtable getPrflist() {
getProfil_list().clear();
prflist.clear();
List l = this.getPrfService().findAll();
for (Iterator it = l.iterator(); it.hasNext();) {
Profil pr= (Profil) l.get(l.indexOf(it.next()));
getProfil_list().add(pr.getLibelleprofil());
prflist.put(pr.getLibelleprofil(), pr);
}
return prflist; }
/**
* @return the agn
*/
public Agent getAgn() {
return agn;
}
/**
* @param agn the agn to set
*/
public void setAgn(Agent agn) {
this.agn = agn;
}
/**
* @return the agnService
*/
public InterfaceService getAgnService() {
return agnService;
}
/**
* @param agnService the agnService to set
*/
public void setAgnService(InterfaceService agnService) {
this.agnService = agnService;
}
/**
* @return the prfService
*/
public InterfaceService getPrfService() {
return prfService;
}
/**
* @param prfService the prfService to set
*/
public void setPrfService(InterfaceService prfService) {
this.prfService = prfService;
}
/**
* @param agent_list the agent_list to set
*/
public void setAgent_list(List agent_list) {
this.agent_list = agent_list;
}
/**
* @return the profil_list
*/
public List getProfil_list() {
return profil_list;
}
/**
* @param profil_list the profil_list to set
*/
public void setProfil_list(List profil_list) {
this.profil_list = profil_list;
}
/**
* @param prflist the prflist to set
*/
public void setPrflist(Hashtable prflist) {
this.prflist = prflist;
}
/**
* @return the current_service
*/
public String getCurrent_service() {
return current_service;
}
/**
* @param current_service the current_service to set
*/
public void setCurrent_service(String current_service) {
this.current_service = current_service;
}
/**
* @param init the init to set
*/
public void setInit(boolean init) {
this.init = init;
}
/**
* @return the index
*/
public Integer getIndex() {
return index;
}
/**
* @param index the index to set
*/
public void setIndex(Integer index) {
this.index = index;
}
/**
* @return the message
*/
public String getMessage() {
return message;
}
/**
* @param message the message to set
*/
public void setMessage(String message) {
this.message = message;
}
/**
* @return the nouveau
*/
public boolean isNouveau() {
return nouveau;
}
/**
* @param nouveau the nouveau to set
*/
public void setNouveau(boolean nouveau) {
this.nouveau = nouveau;
}
/**
* @return the dataTable
*/
public UIDataTable getDataTable() {
return dataTable;
}
/**
* @param dataTable the dataTable to set
*/
public void setDataTable(UIDataTable dataTable) {
this.dataTable = dataTable;
}
} |
l'entité
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package Entity;
// Generated 7 juil. 2011 14:33:26 by Hibernate Tools 3.2.1.GA
import java.util.HashSet;
import java.util.Set;
/**
* Agent generated by hbm2java
*/
public class Agent implements java.io.Serializable {
private String login;
private Profil profil;
private String password;
private String nom;
private String prenom;
private String statusagent;
private String job;
private Set smsemails = new HashSet(0);
private Set operations = new HashSet(0);
private Set reclamations = new HashSet(0);
public Agent() {
}
public Agent(String login) {
this.login = login;
}
public Agent(String login, Profil profil, String password, String nom, String prenom, String statusagent, String job, Set smsemails, Set operations, Set reclamations) {
this.login = login;
this.profil = profil;
this.password = password;
this.nom = nom;
this.prenom = prenom;
this.statusagent = statusagent;
this.job = job;
this.smsemails = smsemails;
this.operations = operations;
this.reclamations = reclamations;
}
public String getLogin() {
return this.login;
}
public void setLogin(String login) {
this.login = login;
}
public Profil getProfil() {
return this.profil;
}
public void setProfil(Profil profil) {
this.profil = profil;
}
public String getPassword() {
return this.password;
}
public void setPassword(String password) {
this.password = password;
}
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 String getStatusagent() {
return this.statusagent;
}
public void setStatusagent(String statusagent) {
this.statusagent = statusagent;
}
public String getJob() {
return this.job;
}
public void setJob(String job) {
this.job = job;
}
public Set getSmsemails() {
return this.smsemails;
}
public void setSmsemails(Set smsemails) {
this.smsemails = smsemails;
}
public Set getOperations() {
return this.operations;
}
public void setOperations(Set operations) {
this.operations = operations;
}
public Set getReclamations() {
return this.reclamations;
}
public void setReclamations(Set reclamations) {
this.reclamations = reclamations;
}
} |
et le mapping de l'agent
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<hibernate-mapping>
<class name="Entity.Agent" schema="EBANKING" table="AGENT">
<id name="login" type="string">
<column length="254" name="LOGIN"/>
<generator class="assigned"/>
</id>
<many-to-one class="Entity.Profil" fetch="select" name="profil">
<column length="254" name="LIBELLEPROFIL"/>
</many-to-one>
<property name="password" type="string">
<column length="254" name="PASSWORD"/>
</property>
<property name="nom" type="string">
<column length="254" name="NOM"/>
</property>
<property name="prenom" type="string">
<column length="254" name="PRENOM"/>
</property>
<property name="statusagent" type="string">
<column length="6" name="STATUSAGENT"/>
</property>
<property name="job" type="string">
<column length="254" name="JOB"/>
</property>
<set inverse="true" name="smsemails">
<key>
<column length="254" name="LOGIN"/>
</key>
<one-to-many class="Entity.Smsemail"/>
</set>
<set inverse="true" name="operations">
<key>
<column length="254" name="LOGIN"/>
</key>
<one-to-many class="Entity.Operation"/>
</set>
<set inverse="true" name="reclamations">
<key>
<column length="254" name="LOGIN"/>
</key>
<one-to-many class="Entity.Reclamation"/>
</set>
</class>
</hibernate-mapping> |
j'ai suivi ce tutoriel http://dghaies-jihed.developpez.com/javaee/spring/
il marche très bien ça s’exécute comme je veux ,je les tester plusieurs fois et ça marche super
mais maintement lorsque je run la jsp soit ile medonne cette erreur
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ATTENTION: StandardWrapperValve[Faces Servlet]: PWC1406: Servlet.service() for servlet Faces Servlet threw exception
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:57)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111)
at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:150)
at Entity.Profil$$EnhancerByCGLIB$$faee40bc.toString(<generated>)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getFormattedValue(HtmlBasicRenderer.java:498)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getFormattedValue(HtmlBasicRenderer.java:5
..... |
ou bien celle là nullpointeurexeption
java.lang.NullPointerException
at Beans.AgentBean.chargercombo(AgentBean.java:51)
at Beans.AgentBean.isInit(AgentBean.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at javax.el.BeanELResolver.getValue(BeanELResolver.java:302)
....
et des erreur de type
java.io.InvalidClassException: Beans.AgentBean; local class incompatible: stream classdesc serialVersionUID = 3714718194222328188, local class serialVersionUID = 4686147252346932713
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
.......
.
.
.
.
je ne sais pas d'ou viens l'erreur s'il vous plais aidez moi je suis vraiment en retard à cause de cà:?
et merciii
