javax.faces.el.E​​valuationException：org.hibernate.LazyInitializationException：無法初始化代理 - 沒有會話

Question

我正在使用jsf，spring和hibernate項目。 我在一個案例中遇到了異常，但我不明白爲什麼我會遇到這個問題。 你能給我一個想法，我做錯了什麼

javax.el.ELException: /views/emissionsa.xhtml @102,171 actionListener="#{emission1Bean.payer()}": org.hibernate.LazyInitializationException: could not initialize proxy - no Session 
    at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:111) 
    at javax.faces.event.MethodExpressionActionListener.processAction(MethodExpressionActionListener.java:147) 
eeeeeeeeeeeee 
    at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88) 
    at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:813) 
    at javax.faces.component.UICommand.broadcast(UICommand.java:300) 
    at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790) 
    at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282) 
    at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81) 
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) 
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:301) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:136) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:74) 
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) 
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1015) 
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:652) 
    at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222) 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1575) 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1533) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 
Caused by: org.hibernate.LazyInitializationException: could not initialize proxy - no Session 
    at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:164) 
    at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:285) 
    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:185) 
    at net.vo.Salaire_$$_javassist_5.getPersonnel(Salaire_$$_javassist_5.java) 
    at controller.Emission1Bean.payer(Emission1Bean.java:58) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:483) 
    at org.apache.el.parser.AstValue.invoke(AstValue.java:261) 
    at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:277) 
    at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105) 
    ... 34 more 

25-Jun-2014 23:42:28.209 SEVERE [http-nio-8084-exec-134] com.sun.faces.context.AjaxExceptionHandlerImpl.handlePartialResponseError org.hibernate.LazyInitializationException: could not initialize proxy - no Session 
    at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:164) 
    at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:285) 
    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:185) 
    at net.vo.Salaire_$$_javassist_5.getPersonnel(Salaire_$$_javassist_5.java) 
    at controller.Emission1Bean.payer(Emission1Bean.java:58) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:483) 
    at org.apache.el.parser.AstValue.invoke(AstValue.java:261) 
    at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:277) 
    at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105) 
    at javax.faces.event.MethodExpressionActionListener.processAction(MethodExpressionActionListener.java:147) 
    at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88) 
    at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:813) 
    at javax.faces.component.UICommand.broadcast(UICommand.java:300) 
    at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790) 
    at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282) 
    at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81) 
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) 
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:301) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:136) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:74) 
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) 
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1015) 
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:652) 
    at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222) 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1575) 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1533) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 

emissionsa.xhtml

<?xml version='1.0' encoding='UTF-8' ?> 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml" 
     xmlns:h="http://xmlns.jcp.org/jsf/html" 
     xmlns:p="http://primefaces.org/ui" 
     xmlns:f="http://xmlns.jcp.org/jsf/core" 
     xmlns:ui="http://xmlns.jcp.org/jsf/facelets"> 
    <h:head> 
     <title>Facelet Title</title> 
     <style> 
      .p tr,.p td 
      { 
       border : none; 
      } 
     </style> 
    </h:head> 
    <h:body style="background-color: #ECF3FD;"> 
     <h:graphicImage value="../../images/header.jpg" style="margin-left: auto;margin-right: auto;"></h:graphicImage> 
    <ui:include src="menu.xhtml" /> 
    <br/> 
    <br/> 
     <h:form id="form"> 
      <p:dataTable id="display" var="listeEmissions" value="#{emission1Bean.listeEmissions}" editable="true" style="margin-bottom:10px" rowKey="#{listeEmissions.dateEmission}" selection="#{emission1Bean.emission}" selectionMode="single"> 
     <f:facet name="header"> 
      Liste des factures émises 
     </f:facet> 

     <p:ajax event="rowEdit" listener="#{dtEditView.onRowEdit}" /> 
     <p:ajax event="rowEditCancel" listener="#{dtEditView.onRowCancel}"/> 

     <p:column headerText="Date Emission"> 
      <p:cellEditor> 
       <f:facet name="output"><h:outputText value="#{listeEmissions.dateEmission}" /></f:facet> 
       <f:facet name="input"><p:inputText id="modelInput" value="#{listeEmissions.dateEmission}" style="width:100%"/></f:facet> 
      </p:cellEditor> 
     </p:column> 

     <p:column headerText="N° Ordre de paiement"> 
      <p:cellEditor> 
       <f:facet name="output"><h:outputText value="#{listeEmissions.nop}" /></f:facet> 
       <f:facet name="input"><p:inputText value="#{listeEmissions.nop}" style="width:100%" label="Year"/></f:facet> 
      </p:cellEditor> 
     </p:column> 
     <p:column headerText="N° Bordereau"> 
      <p:cellEditor> 
       <f:facet name="output"><h:outputText value="#{listeEmissions.nbordereau}" /></f:facet> 
       <f:facet name="input"><p:inputText value="#{listeEmissions.nbordereau}" style="width:100%" label="Year"/></f:facet> 
      </p:cellEditor> 
     </p:column> 
     <p:column style="width:32px" headerText="Modifier"> 
      <p:commandLink styleClass="ui-icon ui-icon-pencil"/> 

     </p:column> 
     <p:column style="width:32px" headerText="Supprimer"> 
      <p:commandLink styleClass="ui-icon ui-icon-trash" action="#{emission1Bean.delete()}" process="@this" update=":form:display"> 
       <f:setPropertyActionListener target="#{emission1Bean.emission}" value="#{listeEmissions}" /> 
    </p:commandLink> 
     </p:column> 
    </p:dataTable> 
      <p:commandButton value="Payer le salaire" update="emissionDetail" oncomplete="PF('emissionDialog').show()" /> 
      <p:dialog header="Paiement du salaire" widgetVar="emissionDialog" modal="true" showEffect="fade" hideEffect="fade" resizable="false"> 
     <p:panel id="emissionDetail" style="border:none;"> 
      <p:panelGrid columns="2" rendered="#{not empty emission1Bean.emission}" columnClasses="label,value" style="border:none;"> 

<p:accordionPanel> 
           <p:tab title="Payer le salaire"> 

        <h:panelGrid styleClass="p" columns="2" cellpadding="5"> 


       <h:outputText value="Date paiement: " /> 
       <p:inputText value="#{emission1Bean.datePaiement}"/> 

       <h:outputText value="Compte Bancaire: " /> 
       <p:selectOneMenu value="#{compteBancaireBean.idCompte}" > 
     <f:selectItem itemValue="#{null}" itemLabel="--Séléctionner un fournisseur" /> 
     <f:selectItems value="#{compteBancaireBean.listeCompteBancaires}" var="compte" 
         itemValue="#{compte.idCompte}" itemLabel="#{compte.libelleCompte}" /> 
     <f:ajax listener="#{compteBancaireBean.submit()}"/> 
    </p:selectOneMenu> 

       <h:outputText value="N° Chèque: " /> 
       <p:inputText value="#{emission1Bean.ncheque}"/> 

       <h:outputText value="N° Virement: " /> 
       <p:inputText value="#{emission1Bean.nvirement}"/> 

       <h:outputText value="N° Avis de virement: " /> 
       <p:inputText value="#{emission1Bean.navis}"/> 
       </h:panelGrid> 

        </p:tab> 


     </p:accordionPanel> 





       </p:panelGrid> 
       <p:commandButton value="Valider" icon="ui-icon-circle-check" update="display" onclick="emissionDialog.hide();" actionListener="#{emission1Bean.payer()}"/> 
       <p:commandButton value="Annuler" icon="ui-icon-arrowreturnthick-1-w" onclick="emissionDialog.hide();"/> 


     </p:panel> 
    </p:dialog> 
     </h:form> 
    </h:body> 
</html> 

Emission1Bean.java

@Component 
@Scope("view") 
public class Emission1Bean { 

    @Autowired 
    private SalaireMetier salaireMetier; 
    @Autowired 
    private EmissionMetier emissionMetier; 
    @Autowired 
    private PaiementMetier paiementMetier; 
    @Autowired 
    private FactureMetier factureMetier; 
    @Autowired 
    private ComptebancaireMetier comptebancaireMetier; 
    private List<Emission> listeEmissions; 
    private Emission emission; 
    private String dateEmission; 
    private Salaire salaire; 
    private Integer nop; 
    private Integer nbordereau; 
    private int idCompte; 
    private String datePaiement; 
    private Comptebancaire comptebancaire; 
    private Archive archive; 
    private Integer ncheque; 
    private Integer nvirement; 
    private Integer navis; 

    @PostConstruct 
    public void init() 
    { 
     listeEmissions = emissionMetier.getAllEmissionsSa(); 
    } 
    public void payer() 
    { 
     Emission e = emissionMetier.getEmission(getEmission().getDateEmission()); 
     SalaireId id = new SalaireId(e.getSalaire().getPersonnel().getCin(),e.getSalaire().getMois().getMois()); 
     Salaire s = salaireMetier.getSalaire(id); 
     Paiement p = new Paiement(); 
     p.setDatePaiement(getDatePaiement()); 
     p.setSalaire(s); 
     int c = CompteBancaireBean.submit(); 
     Comptebancaire compte = comptebancaireMetier.getComptebancaire(c); 
     p.setComptebancaire(compte); 
     p.setNavis(getNavis()); 
     p.setNcheque(getNcheque()); 
     p.setNvirement(getNvirement()); 
     paiementMetier.insert(p); 
    } 
    public int submit() 
    { 
     System.out.println(idCompte); 
     return idCompte; 
    } 
    public void delete(){ 
     Emission e = emissionMetier.getEmission(getEmission().getDateEmission()); 
     emissionMetier.delete(getEmission().getDateEmission()); 
     listeEmissions.remove(emission); 
     emission = null; 
     SalaireId id1 = new SalaireId(e.getSalaire().getPersonnel().getCin(),e.getSalaire().getMois().getMois()); 
     Salaire sa = salaireMetier.getSalaire(id1); 
     sa.setEtatSalaire("engage"); 
     salaireMetier.update(sa); 
    } 

    public Salaire getSalaire() { 
     return salaire; 
    } 

    public void setSalaire(Salaire salaire) { 
     this.salaire = salaire; 
    } 

    public ComptebancaireMetier getComptebancaireMetier() { 
     return comptebancaireMetier; 
    } 

    public void setComptebancaireMetier(ComptebancaireMetier comptebancaireMetier) { 
     this.comptebancaireMetier = comptebancaireMetier; 
    } 

    public PaiementMetier getPaiementMetier() { 
     return paiementMetier; 
    } 

    public void setPaiementMetier(PaiementMetier paiementMetier) { 
     this.paiementMetier = paiementMetier; 
    } 

    public FactureMetier getFactureMetier() { 
     return factureMetier; 
    } 

    public void setFactureMetier(FactureMetier factureMetier) { 
     this.factureMetier = factureMetier; 
    } 

    public int getIdCompte() { 
     return idCompte; 
    } 

    public void setIdCompte(int idCompte) { 
     this.idCompte = idCompte; 
    } 

    public String getDatePaiement() { 
     return datePaiement; 
    } 

    public void setDatePaiement(String datePaiement) { 
     this.datePaiement = datePaiement; 
    } 

    public Comptebancaire getComptebancaire() { 
     return comptebancaire; 
    } 

    public void setComptebancaire(Comptebancaire comptebancaire) { 
     this.comptebancaire = comptebancaire; 
    } 

    public Archive getArchive() { 
     return archive; 
    } 

    public void setArchive(Archive archive) { 
     this.archive = archive; 
    } 

    public Integer getNcheque() { 
     return ncheque; 
    } 

    public void setNcheque(Integer ncheque) { 
     this.ncheque = ncheque; 
    } 

    public Integer getNvirement() { 
     return nvirement; 
    } 

    public void setNvirement(Integer nvirement) { 
     this.nvirement = nvirement; 
    } 

    public Integer getNavis() { 
     return navis; 
    } 

    public void setNavis(Integer navis) { 
     this.navis = navis; 
    } 

    public Emission getEmission() { 
     return emission; 
    } 

    public void setEmission(Emission emission) { 
     this.emission = emission; 
    } 


    public List<Emission> getListeEmissions() { 
     return listeEmissions; 
    } 

    public void setListeEmissions(List<Emission> listeEmissions) { 
     this.listeEmissions = listeEmissions; 
    } 

    public EmissionMetier getEmissionMetier() { 
     return emissionMetier; 
    } 

    public void setEmissionMetier(EmissionMetier emissionMetier) { 
     this.emissionMetier = emissionMetier; 
    } 

    public String getDateEmission() { 
     return dateEmission; 
    } 

    public void setDateEmission(String dateEmission) { 
     this.dateEmission = dateEmission; 
    } 

    public Integer getNop() { 
     return nop; 
    } 

    public void setNop(Integer nop) { 
     this.nop = nop; 
    } 

    public Integer getNbordereau() { 
     return nbordereau; 
    } 

    public void setNbordereau(Integer nbordereau) { 
     this.nbordereau = nbordereau; 
    } 

} 

我知道，我得到的問題，因爲這條線的但我不知道該怎麼辦才能解決它

SalaireId id = new SalaireId(e.getSalaire().getPersonnel().getCin(),e.getSalaire().getMois().getMois()); 

編輯

EmissionDao.java

package dao; 

import java.util.List; 
import net.vo.Emission; 

public interface EmissionDao { 
    public List getAllEmissions(); 
    public List getAllEmissionsSa(Integer id,Integer m); 
    public Emission getEmission(String date); 
    public void insert(Emission emission); 
    public void update(Emission emission); 
    public void delete(String date); 
} 

EmissionHibernateDao 包道;

import java.util.List; 
import net.vo.Emission; 
import org.hibernate.HibernateException; 
import org.hibernate.Query; 
import org.hibernate.Session; 
import org.hibernate.Transaction; 
import org.springframework.stereotype.Repository; 

@Repository 
public class EmissionHibernateDao implements EmissionDao{ 
    private List<Emission> listeEmissions; 
    private Emission emission; 
    public void init() 
    { 
     System.out.println("Méthode d'initiation"); 
    } 

    /*@Override 
    public List<Object> getAllEmissions() { 
     Session session=HibernateUtil.getSession(); 
     try 
     { 
      session.beginTransaction(); 
      Query q = session.createQuery("select f.idFacture,f.dateFacture,f.montantFacture,f.etatFacture,e.dateEmission,e.nop,e.nbordereau from Facture f,Emission e where e.facture = f.idFacture and f.etatFacture='émise'"); 
      listeEmissions = q.list(); 
      return listeEmissions; 
     } 
     catch(HibernateException e) 
     { 
      throw e; 
     } 
     finally 
     { 
      session.close(); 
     } 
    }*/ 
    @Override 
    public List getAllEmissions() { 
     Session session=HibernateUtil.getSession(); 
     try 
     { 
      session.beginTransaction(); 
      Query q = session.createQuery("from Emission as e left join fetch e.facture as f where f.etatFacture = 'emise'"); 
      listeEmissions = q.list(); 
      return listeEmissions; 
     } 
     catch(HibernateException e) 
     { 
      throw e; 
     } 
     finally 
     { 
      session.close(); 
     } 
    } 
    @Override 
    public List getAllEmissionsSa(Integer id,Integer m) { 
     Session session=HibernateUtil.getSession(); 
     try 
     { 
      session.beginTransaction(); 
      Query q = session.createQuery("from Emission as e left join fetch e.salaire as s left join fetch s.personnel left join fetch s.mois as m where m.annee.annee =:annee and m.mois =:mois and s.etatSalaire = 'emis' "); 
      q.setParameter("mois", m); 
      q.setParameter("annee",id); 
      listeEmissions = q.list(); 
      return listeEmissions; 
     } 
     catch(HibernateException e) 
     { 
      throw e; 
     } 
     finally 
     { 
      session.close(); 
     } 
    } 

    @Override 
    public Emission getEmission(String date) { 
     Session session = HibernateUtil.getSession(); 
     try 
     { System.out.println("eeeeeeeeeeeee"); 
      session.beginTransaction(); 
      Query q = session.createQuery("from Emission as em where em.dateEmission='" + date +"'"); 
      return (Emission) q.uniqueResult(); 
     } 
     finally 
     { 
      session.close(); 
     } 
    } 

    @Override 
    public void insert(Emission emission) { 

     Session session = HibernateUtil.getSession(); 
     Transaction tx=null; 
     try 
     { 
      tx = session.beginTransaction(); 
      session.save(emission); 
      tx.commit();   
     } 
     catch(RuntimeException e) 
     { 
      if(tx != null) 
      { 
       tx.rollback(); 
      } 
      throw e; 
     } 
     finally 
     { 
      session.close(); 
     } 
    } 

    @Override 
    public void update(Emission emission) { 
     Session session = HibernateUtil.getSession(); 
     Transaction tx=null; 
     try 
     { 
      tx=session.beginTransaction(); 
      session.update(emission); 
      tx.commit(); 
     } 
     catch(RuntimeException e) 
     { 
      if(tx != null) 
      { 
       tx.rollback(); 
      } 
      throw e; 
     } 
     finally 
     { 
      session.close(); 
     } 
    } 

    @Override 
    public void delete(String date) { 
     Session session = HibernateUtil.getSession(); 
     Transaction tx = null; 
     try 
     { 
      tx=session.beginTransaction(); 
      emission = (Emission) session.get(Emission.class,date); 
      session.delete(emission); 
      tx.commit(); 
     } 
     catch(RuntimeException e) 
     { 
      if(tx != null) 
      { 
       tx.rollback(); 
      } 
      throw e; 
     } 
     finally 
     { 
      session.close(); 
     } 
    } 
} 

Answer 1

這是一個休眠問題。該實體具有聲明爲延遲加載的字段，但該實體未附加到有效的Hibernate會話以觸發代理以懶惰地檢索數據。從堆棧跟蹤中，我不能確定是否這個錯誤是由e.getSalaire().getPersonnel().getCin()或.getSalaire().getMois().getMois()（或者兩者）引發的。

我不知道你是如何配置會話管理的，可能Spring正在處理它。爲了解決這個問題，你應該把實體附加到一個有效的Hibernate Session上。您可以使用Spring Hibernate集成類中的HibernateTemplate#refresh方法來完成此操作。