Bonjour
J'ai une fonction que j'ai eu à tester dans mon projet EJB et il fonctionne correctement.
Mais une fois à l'intérieur du Controller dans mon projet WEB.j'ai une exception nullpointerException.
Voici le code de la classe complete
lors de l'execution de la fonction generateClasse sur la ligne etabformation=addFormationToEtab(etab, formation); etabformation est null
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126 package scolarite; import dao.*; import java.util.Date; import javax.ejb.EJB; import javax.ejb.Stateless; import javax.ejb.LocalBean; import modele.*; /** * * @author fabrice */ @Stateless public class InscriptionManager { @EJB private EtabformationDao etabformationDao; @EJB private CycleformationDao cycleformationDao; @EJB private CyclefiliereDao cyclefiliereDao; @EJB private NiveaufiliereDao niveaufiliereDao; @EJB private ClasseDao classeDao; private Etabformation etabformation; private Cycleformation cycleformation; private Cyclefiliere cycleFil; private Niveaufiliere nivFil; private Classe classe; public InscriptionManager() { etabformation=new Etabformation(); cycleformation = new Cycleformation(); cycleFil = new Cyclefiliere(); nivFil = new Niveaufiliere(); classe = new Classe(); } public void generateClasse(Etablissements etab, Formation formation, Cycle cycle, Filiere filiere, Niveau niveau, int nombre) { nivFil = niveaufiliereDao.find(new NiveaufilierePK(formation.getId(), etab.getEtablissementsPK().getId(), etab.getEtablissementsPK().getAnneeCrs(), cycle.getId(), filiere.getId(), niveau.getId())); if (nivFil == null) { etabformation=addFormationToEtab(etab, formation); // //joindre le cycle a la formation cycleformation = this.addCyclesToFormation(etabformation, cycle); // //joindre la filiere au cycle cycleFil = this.addFiliereToCycle(cycleformation, filiere); // //joindre le niveau nivFil = this.addNiveauToFiliere(cycleFil, niveau); // // } // //enregistrement de classes en fonction du nombre de salle ou classes com IG1A et IG1B for (int i = 1; i <= nombre; i++) { classe=new Classe(); //provisoire il faut avoir la nomemclature des classes classe.setCode(filiere.getCode() + "" + niveau.getCode() + "-" + i); classe.setActif(Boolean.TRUE); classe.setNiveaufiliere(nivFil); classeDao.create(classe); } } public Etabformation addFormationToEtab(Etablissements etab,Formation formation){ EtabformationPK etabFormationPk = new EtabformationPK(formation.getId(), etab.getEtablissementsPK().getId(), etab.getEtablissementsPK().getAnneeCrs()); etabformation = etabformationDao.find(etabFormationPk); //je vais joindre la formation a l etab; if (etabformation == null) { etabformation=new Etabformation(); etabformation.setEtabformationPK(etabFormationPk); etabformation.setDateCreation(new Date()); etabformationDao.create(etabformation); } return etabformation; } public Cycleformation addCyclesToFormation(Etabformation etabForm, Cycle cycle) { CycleformationPK cycleFormationPk = new CycleformationPK(etabForm.getEtabformationPK().getFormation_id(), etabForm.getEtabformationPK().getEtab_id(), etabForm.getEtabformationPK().getAnnee_id(), cycle.getId()); cycleformation = cycleformationDao.find(cycleFormationPk); if (cycleformation == null) { cycleformation=new Cycleformation(); cycleformation.setCycleformationPK(cycleFormationPk); cycleformation.setDateCreation(new Date()); cycleformationDao.create(cycleformation); } return cycleformation; } public Cyclefiliere addFiliereToCycle(Cycleformation cycleFormation, Filiere filiere) { CyclefilierePK cyclefilierePk = new CyclefilierePK(cycleFormation.getCycleformationPK().getFormation_id(), cycleFormation.getCycleformationPK().getEtab_id(), cycleFormation.getCycleformationPK().getAnnee_id(), cycleFormation.getCycleformationPK().getCycle_id(), filiere.getId()); cycleFil = cyclefiliereDao.find(cyclefilierePk); if (cycleFil == null) { cycleFil=new Cyclefiliere(); cycleFil.setCyclefilierePK(cyclefilierePk); cycleFil.setDatecreation(new Date()); cyclefiliereDao.create(cycleFil); } return cycleFil; } public Niveaufiliere addNiveauToFiliere(Cyclefiliere cycleFil, Niveau niv) { NiveaufilierePK niveauFilierePk = new NiveaufilierePK(cycleFil.getCyclefilierePK().getFormation_id(), cycleFil.getCyclefilierePK().getEtab_id(), cycleFil.getCyclefilierePK().getAnnee_id(), cycleFil.getCyclefilierePK().getCycle_id(), cycleFil.getCyclefilierePK().getFiliere_id(), niv.getId()); nivFil = niveaufiliereDao.find(niveauFilierePk); if (nivFil == null) { nivFil=new Niveaufiliere(); nivFil.setNiveaufilierePK(niveauFilierePk); niveaufiliereDao.create(nivFil); } return nivFil; } }
voici la trace de l'erreur
Cordialement!!
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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87 Avertissement: A system exception occurred during an invocation on EJB InscriptionManager method public void scolarite.InscriptionManager.generateClasse(modele.Etablissements,modele.Formation,modele.Cycle,modele.Filiere,modele.Niveau,int) javax.ejb.EJBException at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5193) at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5091) at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4879) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2039) at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:1990) at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:222) at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88) at $Proxy279.generateClasse(Unknown Source) at scolarite.__EJB31_Generated__InscriptionManager__Intf____Bean__.generateClasse(Unknown Source) at com.better.GenClasseController.genererClasses(GenClasseController.java:202) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.sun.el.parser.AstValue.invoke(AstValue.java:234) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297) at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:43) at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:56) at javax.faces.event.MethodExpressionActionListener.processAction(MethodExpressionActionListener.java:153) at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88) at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:769) at javax.faces.component.UICommand.broadcast(UICommand.java:300) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259) 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:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98) at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59) at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.NullPointerException at scolarite.InscriptionManager.addCyclesToFormation(InscriptionManager.java:87) at scolarite.InscriptionManager.generateClasse(InscriptionManager.java:63) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1052) at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1124) at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:5366) at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:619) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:800) at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:571) at org.jboss.weld.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:46) at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:861) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:800) at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:571) at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doAround(SystemInterceptorProxy.java:162) at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:144) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:861) at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:800) at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:370) at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:5338) at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:5326) at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:214) ... 47 more
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