使用字段JSF搜索

Question

我尝试使用EJB和JSF按名称设置搜索，但我有一个例外，每次都会持续存在而我找不到解决方案。

实体：

0   0   0   0
1   2   0.5 1.5
2   4   1.0 3.0
3   6   1.5 4.5

SearchService：

package com.mycompany.projetplanetart;

import java.io.Serializable;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;


@Entity
@Table(name = "etablissement")
@XmlRootElement
@NamedQueries({
@NamedQuery(name="Etablissement.findByName", query = "SELECT e FROM     Etablissement e WHERE e.nom = :nom")
,@NamedQuery(name = "Etablissement.findAll", query = "SELECT e FROM Etablissement e")
, @NamedQuery(name = "Etablissement.findByNauto", query = "SELECT e FROM Etablissement e WHERE e.nauto = :nauto")
, @NamedQuery(name = "Etablissement.findByCodeINSEE", query = "SELECT e FROM Etablissement e WHERE e.codeINSEE = :codeINSEE")
, @NamedQuery(name = "Etablissement.findByIdEtab", query = "SELECT e FROM Etablissement e WHERE e.idEtab = :idEtab")})
public class Etablissement implements Serializable {

private static final long serialVersionUID = 1L;
@Column(name = "N_auto")
private Integer nauto;
@Lob
@Size(max = 65535)
@Column(name = "nom")
private String nom;
@Lob
@Size(max = 65535)
@Column(name = "adresse")
private String adresse;
@Lob
@Size(max = 65535)
@Column(name = "complement")
private String complement;
@Column(name = "code_INSEE")
private Integer codeINSEE;
@Lob
@Size(max = 65535)
@Column(name = "commune")
private String commune;
@Lob
@Size(max = 65535)
@Column(name = "region_administrative")
private String regionAdministrative;
@Lob
@Size(max = 65535)
@Column(name = "geo_ban")
private String geoBan;
@Lob
@Size(max = 65535)
@Column(name = "geo_insee")
private String geoInsee;
@Lob
@Size(max = 65535)
@Column(name = "corrdonnees_finales")
private String corrdonneesFinales;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Basic(optional = false)
@Column(name = "id_etab")
private Integer idEtab;

public Etablissement() {
}

public Etablissement(Integer idEtab) {
    this.idEtab = idEtab;
}

public Integer getNauto() {
    return nauto;
}

public void setNauto(Integer nauto) {
    this.nauto = nauto;
}

public String getNom() {
    return nom;
}

public void setNom(String nom) {
    this.nom = nom;
}

public String getAdresse() {
    return adresse;
}

public void setAdresse(String adresse) {
    this.adresse = adresse;
}

public String getComplement() {
    return complement;
}

public void setComplement(String complement) {
    this.complement = complement;
}

public Integer getCodeINSEE() {
    return codeINSEE;
}

public void setCodeINSEE(Integer codeINSEE) {
    this.codeINSEE = codeINSEE;
}

public String getCommune() {
    return commune;
}

public void setCommune(String commune) {
    this.commune = commune;
}

public String getRegionAdministrative() {
    return regionAdministrative;
}

public void setRegionAdministrative(String regionAdministrative) {
    this.regionAdministrative = regionAdministrative;
}

public String getGeoBan() {
    return geoBan;
}

public void setGeoBan(String geoBan) {
    this.geoBan = geoBan;
}

public String getGeoInsee() {
    return geoInsee;
}

public void setGeoInsee(String geoInsee) {
    this.geoInsee = geoInsee;
}

public String getCorrdonneesFinales() {
    return corrdonneesFinales;
}

public void setCorrdonneesFinales(String corrdonneesFinales) {
    this.corrdonneesFinales = corrdonneesFinales;
}

public Integer getIdEtab() {
    return idEtab;
}

public void setIdEtab(Integer idEtab) {
    this.idEtab = idEtab;
}
public Etablissement (Etablissement etab){
    this.nom=etab.nom;
    this.regionAdministrative=etab.regionAdministrative;
    this.nauto=etab.nauto;
    this.idEtab=etab.idEtab;
    this.geoInsee=etab.geoInsee;
    this.corrdonneesFinales=etab.corrdonneesFinales;
    this.geoBan=etab.geoBan;
    this.complement=etab.complement;
    this.commune=etab.commune;
    this.codeINSEE=etab.codeINSEE;
    this.adresse=etab.adresse;
}

@Override
public int hashCode() {
    int hash = 0;
    hash += (idEtab != null ? idEtab.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 Etablissement)) {
        return false;
    }
    Etablissement other = (Etablissement) object;
    if ((this.idEtab == null && other.idEtab != null) || (this.idEtab != null && !this.idEtab.equals(other.idEtab))) {
        return false;
    }
    return true;
}

@Override
public String toString() {
    return "com.mycompany.projetplanetart.Etablissement[ idEtab=" + idEtab +     " ]";
}

}

SearchBean：

import com.mycompany.projetplanetart.Etablissement;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;

import javax.persistence.PersistenceContext;



@Stateless
public class RechercherService {

@PersistenceContext
private  EntityManager em;

public List<Etablissement> searchEtab(Integer id){

     return     em.createNamedQuery("Etablissement.findByIdEtab").setParameter("idEtab",        id).getResultList();

    }

}

resultat.xhtml：

import com.mycompany.projetplanetart.Etablissement;
import ejb.*;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;
import javax.inject.Named;
import javax.enterprise.context.RequestScoped;


@Named(value = "rechercheBean")
@RequestScoped
public class RechercheBean {

@Inject 
RechercherService rechercherService;

private  List<Etablissement> etab=new ArrayList<>();



public List<Etablissement> getEtab() {
    return etab;
}

public void setEtab(List<Etablissement> etab) {
    this.etab = etab;
}



private String nom;

public String getNom() {
    return nom;
}

public void setNom(String nom) {
    this.nom = nom;
}

private Integer id;

public Integer getId() {
    return id;
}

public void setId(Integer id) {
    this.id = id;
}


public String search(){
    rechercherService=new RechercherService();
    this.etab=rechercherService.searchEtab(id);
    return "resultat";
}



/**
 * Creates a new instance of RechercheBean
 */
public RechercheBean() {

}

}

例外：

<?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:f="http://xmlns.jcp.org/jsf/core">
     <h:head>
         <title>    Facelet Title</title>
    </h:head>
<h:body>
    <f:view>
        <h:form>
            entré : <h:inputText value="#{rechercheBean.id}"/> 
            <h:commandButton value="Search" action="#{rechercheBean.search()}"/>

            <h:form>
                <h1><h:outputText value="List"/></h1>
                <h:dataTable value="#{rechercheBean.etab}" var="item">
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="Nauto"/>
                        </f:facet>
                        <h:outputText value="#{item.nauto}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="Nom"/>
                        </f:facet>
                        <h:outputText value="#{item.nom}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="Adresse"/>
                        </f:facet>
                        <h:outputText value="#{item.adresse}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="Complement"/>
                        </f:facet>
                        <h:outputText value="#{item.complement}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="CodeINSEE"/>
                        </f:facet>
                        <h:outputText value="#{item.codeINSEE}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="Commune"/>
                        </f:facet>
                        <h:outputText value="#{item.commune}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="RegionAdministrative"/>
                        </f:facet>
                        <h:outputText value="#{item.regionAdministrative}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="GeoBan"/>
                        </f:facet>
                        <h:outputText value="#{item.geoBan}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="GeoInsee"/>
                        </f:facet>
                        <h:outputText value="#{item.geoInsee}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="CorrdonneesFinales"/>
                        </f:facet>
                        <h:outputText value="#{item.corrdonneesFinales}"/>
                    </h:column>
                    <h:column>
                        <f:facet name="header">
                            <h:outputText value="IdEtab"/>
                        </f:facet>
                        <h:outputText value="#{item.idEtab}"/>
                    </h:column>
                </h:dataTable>
            </h:form>

        </h:form>
    </f:view>

</h:body>

谢谢。