Discussion :

[Guerr]

hello tout le monde,
bon, je m'explique j'ai un package model qui contient mes classes métiers "Entity" + DAO "Session Bean" (Générées avec Hibernate depuis la BDD).
Et ce que j'essaye de faire c'est de persister une instance de mon modéle en passant par une page JSF bien entendu, mais ça passe pas puisque j'obtiens une erreur de type NullPointerException. Pourtant mes objest sont bien instanciés.

En gros voici la strucutre:

model.Annonceur:

Code :

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@Entity
@Table(name = "annonceur", catalog = "annoncesee")
public class Annonceur implements java.io.Serializable {
 
	private Integer idannonceur;
	private String nom;
	private String prenom;
	private String adresse;
	private String ville;
	private int tel;
	private String email;
	private String identifiant;
	private String pass;
	private int anneenaiss;
 
	public Annonceur() {
	}
 
	public Annonceur(String nom, String prenom, String adresse, String ville,
			int tel, String email, String identifiant, String pass,
			int anneenaiss) {
		this.nom = nom;
		this.prenom = prenom;
		this.adresse = adresse;
		this.ville = ville;
		this.tel = tel;
		this.email = email;
		this.identifiant = identifiant;
		this.pass = pass;
		this.anneenaiss = anneenaiss;
	}
 
	@Id
	@GeneratedValue(strategy = IDENTITY)
	@Column(name = "idannonceur", unique = true, nullable = false)
	public Integer getIdannonceur() {
		return this.idannonceur;
	}
 
	public void setIdannonceur(Integer idannonceur) {
		this.idannonceur = idannonceur;
	}
 
	@Column(name = "nom", nullable = false, length = 30)
	public String getNom() {
		return this.nom;
	}
 
	public void setNom(String nom) {
		this.nom = nom;
	}
 
	@Column(name = "prenom", nullable = false, length = 30)
	public String getPrenom() {
		return this.prenom;
	}
 
	public void setPrenom(String prenom) {
		this.prenom = prenom;
	}
 
	@Column(name = "adresse", nullable = false, length = 65535)
	public String getAdresse() {
		return this.adresse;
	}
 
	public void setAdresse(String adresse) {
		this.adresse = adresse;
	}
 
	@Column(name = "ville", nullable = false, length = 30)
	public String getVille() {
		return this.ville;
	}
 
	public void setVille(String ville) {
		this.ville = ville;
	}
 
	@Column(name = "tel", nullable = false)
	public int getTel() {
		return this.tel;
	}
 
	public void setTel(int tel) {
		this.tel = tel;
	}
 
	@Column(name = "email", nullable = false, length = 40)
	public String getEmail() {
		return this.email;
	}
 
	public void setEmail(String email) {
		this.email = email;
	}
 
	@Column(name = "identifiant", nullable = false, length = 30)
	public String getIdentifiant() {
		return this.identifiant;
	}
 
	public void setIdentifiant(String identifiant) {
		this.identifiant = identifiant;
	}
 
	@Column(name = "pass", nullable = false, length = 30)
	public String getPass() {
		return this.pass;
	}
 
	public void setPass(String pass) {
		this.pass = pass;
	}
 
	@Column(name = "anneenaiss", nullable = false)
	public int getAnneenaiss() {
		return this.anneenaiss;
	}
 
	public void setAnneenaiss(int anneenaiss) {
		this.anneenaiss = anneenaiss;
	}

model.AnnoceurHome: (DAO)

Code :

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@Stateless
public class AnnonceurHome {
 
	private static final Log log = LogFactory.getLog(AnnonceurHome.class);
 
	@PersistenceContext
	private EntityManager entityManager;
 
	public void persist(Annonceur transientInstance) {
		log.debug("persisting Annonceur instance");
		try {
			entityManager.persist(transientInstance);
			log.debug("persist successful");
		} catch (RuntimeException re) {
			log.error("persist failed", re);
			throw re;
		}
	}
 
	public void remove(Annonceur persistentInstance) {
		log.debug("removing Annonceur instance");
		try {
			entityManager.remove(persistentInstance);
			log.debug("remove successful");
		} catch (RuntimeException re) {
			log.error("remove failed", re);
			throw re;
		}
	}
 
	public Annonceur merge(Annonceur detachedInstance) {
		log.debug("merging Annonceur instance");
		try {
			Annonceur result = entityManager.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}
 
	public Annonceur findById(Integer id) {
		log.debug("getting Annonceur instance with id: " + id);
		try {
			Annonceur instance = entityManager.find(Annonceur.class, id);
			log.debug("get successful");
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}
}

controlleur.persisterANN: (mon controlleur)

Code :

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package controlleur;
 
import model.Annonceur;
import model.AnnonceurHome;
 
public class persisterANN {
	private Annonceur an;
	private AnnonceurHome anH;
 
	public persisterANN() {
		// TODO Auto-generated constructor stub
	}
 
	public Annonceur getAn() {
		return an;
	}
 
	public void setAn(Annonceur an) {
		this.an = an;
	}
 
	public AnnonceurHome getAnH() {
		return anH;
	}
 
	public void setAnH(AnnonceurHome anH) {
		this.anH = anH;
	}
 
	public String insertBDD(){
		an = new Annonceur("jack","raiden","gaming town","tokyo",0522,"athot","guer","azerty",1989);
		anH = new AnnonceurHome();
		anH.persist(an);
		return "nice";
	}
 
}

persister.jsp: (ma vue)

Code :

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<body>
<f:view>
<h:form>
<h:outputText value="Persister Annonceur:" />
<h:commandButton value="Persister" action="#{persisterANN.insertBDD }" />
</h:form>
</f:view>
</body>

Mon erreur:

Code :

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ERROR [AnnonceurHome] persist failed
java.lang.NullPointerException
	at model.AnnonceurHome.persist(AnnonceurHome.java:26)
	at controlleur.persisterANN.insertBDD(persisterANN.java:33)
	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 org.apache.el.parser.AstValue.invoke(AstValue.java:170)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
	at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:387)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:756)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:662)
15:00:06,250 ERROR [application] java.lang.NullPointerException
javax.faces.el.EvaluationException: java.lang.NullPointerException
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
	at javax.faces.component.UICommand.broadcast(UICommand.java:387)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:756)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
	at model.AnnonceurHome.persist(AnnonceurHome.java:26)
	at controlleur.persisterANN.insertBDD(persisterANN.java:33)
	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 org.apache.el.parser.AstValue.invoke(AstValue.java:170)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
	at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	... 28 more

Et Merci d'avance de votre aide.