jsf & jpa

Bonsoir a tous,
bon j'utilise le jsf & jpa
et voila les codes:une classe pour etudiant c'est l'image de la table etudiant

Code:

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*******************etudiant*************
@Entity
@Table(name = "etudiant")
@NamedQueries({@NamedQuery(name = "Etudiant.findByMatrEt", query = "SELECT e FROM Etudiant e WHERE e.matrEt = :matrEt"), @NamedQuery(name = "Etudiant.findByNomEt", query = "SELECT e FROM Etudiant e WHERE e.nomEt = :nomEt"), @NamedQuery(name = "Etudiant.findByPrenomEt", query = "SELECT e FROM Etudiant e WHERE e.prenomEt = :prenomEt"), @NamedQuery(name = "Etudiant.findByDateEt", query = "SELECT e FROM Etudiant e WHERE e.dateEt = :dateEt"), @NamedQuery(name = "Etudiant.findByLieuEt", query = "SELECT e FROM Etudiant e WHERE e.lieuEt = :lieuEt"), @NamedQuery(name = "Etudiant.findByAdressEt", query = "SELECT e FROM Etudiant e WHERE e.adressEt = :adressEt"), @NamedQuery(name = "Etudiant.findByAnneeEt", query = "SELECT e FROM Etudiant e WHERE e.anneeEt = :anneeEt"), @NamedQuery(name = "Etudiant.findBySexeEt", query = "SELECT e FROM Etudiant e WHERE e.sexeEt = :sexeEt"), @NamedQuery(name = "Etudiant.findByEmailEt", query = "SELECT e FROM Etudiant e WHERE e.emailEt = :emailEt"), @NamedQuery(name = "Etudiant.findByMpassEt", query = "SELECT e FROM Etudiant e WHERE e.mpassEt = :mpassEt")})
public class Etudiant implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Column(name = "MATR_ET", nullable = false)
private Long matrEt;
@Column(name = "NOM_ET", nullable = false)
private String nomEt;
@Column(name = "PRENOM_ET", nullable = false)
private String prenomEt;
@Column(name = "DATE_ET")
@Temporal(TemporalType.DATE)
private Date dateEt;
@Column(name = "LIEU_ET", nullable = false)
private String lieuEt;
@Column(name = "ADRESS_ET", nullable = false)
private String adressEt;
@Column(name = "ANNEE_ET", nullable = false)
private String anneeEt;
@Column(name = "SEXE_ET", nullable = false)
private char sexeEt;
@Column(name = "EMAIL_ET")
private String emailEt;
@Column(name = "MPASS_ET", nullable = false)
private String mpassEt;
 
public Etudiant() {
}
 
public Etudiant(Long matrEt) {
this.matrEt = matrEt;
}
 
public Etudiant(Long matrEt, String nomEt, String prenomEt, String lieuEt, String adressEt, String anneeEt, char sexeEt, String mpassEt) {
this.matrEt = matrEt;
this.nomEt = nomEt;
this.prenomEt = prenomEt;
this.lieuEt = lieuEt;
this.adressEt = adressEt;
this.anneeEt = anneeEt;
this.sexeEt = sexeEt;
this.mpassEt = mpassEt;
}
 
public Long getMatrEt() {
return matrEt;
}
 
public void setMatrEt(Long matrEt) {
this.matrEt = matrEt;
}
 
public String getNomEt() {
return nomEt;
}
 
public void setNomEt(String nomEt) {
this.nomEt = nomEt;
}
 
public String getPrenomEt() {
return prenomEt;
}
 
public void setPrenomEt(String prenomEt) {
this.prenomEt = prenomEt;
}
 
public Date getDateEt() {
return dateEt;
}
 
public void setDateEt(Date dateEt) {
this.dateEt = dateEt;
}
 
public String getLieuEt() {
return lieuEt;
}
 
public void setLieuEt(String lieuEt) {
this.lieuEt = lieuEt;
}
 
public String getAdressEt() {
return adressEt;
}
 
public void setAdressEt(String adressEt) {
this.adressEt = adressEt;
}
 
public String getAnneeEt() {
return anneeEt;
}
 
public void setAnneeEt(String anneeEt) {
this.anneeEt = anneeEt;
}
 
public char getSexeEt() {
return sexeEt;
}
 
public void setSexeEt(char sexeEt) {
this.sexeEt = sexeEt;
}
 
public String getEmailEt() {
return emailEt;
}
 
public void setEmailEt(String emailEt) {
this.emailEt = emailEt;
}
 
public String getMpassEt() {
return mpassEt;
}
 
public void setMpassEt(String mpassEt) {
this.mpassEt = mpassEt;
}
 
@Override
public int hashCode() {
int hash = 0;
hash += (matrEt != null ? matrEt.hashCode() : 0);
return hash;
}
 
@Override
public boolean equals(Object object) {
// TODO: Warning - this method won't work in the case the id fields are not set
if (!(object instanceof Etudiant)) {
return false;
}
Etudiant other = (Etudiant) object;
if ((this.matrEt == null && other.matrEt != null) || (this.matrEt != null && !this.matrEt.equals(other.matrEt))) {
return false;
}
return true;
}
 
@Override
public String toString() {
// return "entites.Etudiant[matrEt=" + matrEt + "]";
return "" + this.matrEt;
}
 
}

Code:

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**************classe UserManager*******
 
public class UserManager {
 
public static final String ETUDIANT_SESSION_KEY = "etudiant";
 
@PersistenceContext 
private EntityManager em;
 
@Resource 
private UserTransaction utx;
 
private Long matrEt;
 
public Long getMatrEt() {
return matrEt;
}
 
public void setMatrEt(Long matrEt) {
this.matrEt = matrEt;
}
private String mpassEt;
private String nomEt;
private String prenomEt;
 
 
 
public String getMpassEt() {
return mpassEt;
}
 
public void setMpassEt(String mpassEt) {
this.mpassEt = mpassEt;
}
 
public String getNomEt() {
return nomEt;
}
 
public void setNomEt(String nomEt) {
this.nomEt = nomEt;
}
 
public String getPrenomEt() {
return prenomEt;
}
 
public void setPrenomEt(String prenomEt) {
this.prenomEt = prenomEt;
}
 
public String validateEtudiant() { 
FacesContext context = FacesContext.getCurrentInstance();
Etudiant etudiant = getEtudiant();
if (etudiant != null) {
if (!etudiant.getMpassEt().equals(mpassEt)) {
FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR,
"Login Failed!",
"The password specified is not correct.");
context.addMessage(null, message);
return null;
}
 
context.getExternalContext().getSessionMap().put(ETUDIANT_SESSION_KEY, etudiant);
return "app-main";
} else { 
FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR,
"Login Failed!",
"Username '"
+ matrEt
+
"' does not exist.");
context.addMessage(null, message);
return null;
}
}
 
 
public String logout() {
HttpSession session = (HttpSession)
FacesContext.getCurrentInstance().getExternalContext().getSession(false);
if (session != null) {
session.invalidate();
}
return "login";
 
}
 
private Etudiant getEtudiant() {
//throw new UnsupportedOperationException("Not yet implemented");
try {
Etudiant etudiant = (Etudiant)
em.createNamedQuery("Etudiant.findByMatrEt").
setParameter("matrEt", matrEt).getSingleResult();
return etudiant; 
} catch (NoResultException nre) {
return null;
}
}
 
 
 
 
}

et pour le jsf (login.jsf):

Code:

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<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
 
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
 
<h1>Login</h1>
 
<f:view>
<h:messages style="color: red"
showDetail="true"/>
<h:form id="login">
<h:panelGrid columns="2" border="0">
Username: <h:inputText id="username" 
value="#{usermanager.matrEt}"/> 
Password: <h:inputSecret id="password"
value="#{usermanager.mpassEt}"/>
</h:panelGrid>
<h:commandButton id="submit" 
type="submit"
value="Login"
action="#{usermanager.validateEtudiant}"/>
<br>
<h:commandLink id="create"
value="Create New Account"
action="create"/>
</h:form>
 
</f:view>
 
</body>
</html>

mais le problem que il faut converti le matrEt de type long a string
et voila le rapport d'erreur

Code:

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type Exception report
 
message
 
descriptionThe server encountered an internal error () that prevented it from fulfilling this request.
 
exception 
 
javax.servlet.ServletException: #{usermanager.validateEtudiant}: java.lang.IllegalArgumentException: You have attempted to set a value of type class java.lang.String for parameter matrEt with expected type of class java.lang.Long from query string SELECT e FROM Etudiant e WHERE e.matrEt = :matrEt.
root cause 
 
javax.faces.FacesException: #{usermanager.validateEtudiant}: java.lang.IllegalArgumentException: You have attempted to set a value of type class java.lang.String for parameter matrEt with expected type of class java.lang.Long from query string SELECT e FROM Etudiant e WHERE e.matrEt = :matrEt.
root cause 
 
javax.faces.el.EvaluationException: java.lang.IllegalArgumentException: You have attempted to set a value of type class java.lang.String for parameter matrEt with expected type of class java.lang.Long from query string SELECT e FROM Etudiant e WHERE e.matrEt = :matrEt.
root cause 
 
java.lang.IllegalArgumentException: You have attempted to set a value of type class java.lang.String for parameter matrEt with expected type of class java.lang.Long from query string SELECT e FROM Etudiant e WHERE e.matrEt = :matrEt.
note The full stack traces of the exception and its root causes are available in the Sun Java System Application Server 9.1_02 logs.

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Sun Java System Application Server 9.1_02
******************
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