Primefaces 3.2 - datatable bug ?

**OButterlin** · 16/04/2012, 14h25

C'est une impression ou ce composant est bourré de bugs

je fais des tests avec la version 3.2 de primefaces et j'ai des comportements complètement aberrants.

j'affiche une première fois la page, je peux utiliser le paginator, mais les liens ou les boutons ne fonctionnent plus après.

ou alors j'affiche une première fois la page, je fais une opération sur la liste, et il n'y a plus que les indexes qui changent, la liste ne bouge pas ou alors je me choppe des erreurs NumberFormatException

Mais d'où ça vient ?

Code :

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14:12:52,476 Avertissement [javax.enterprise.resource.webcontainer.jsf.lifecycle] (http--127.0.0.1-8080-1) null: java.lang.NumberFormatException: null
    at java.lang.Integer.parseInt(Integer.java:454) [:1.7.0_01]
    at java.lang.Integer.valueOf(Integer.java:582) [:1.7.0_01]
    at org.primefaces.component.datatable.DataHelper.decodePageRequest(DataHelper.java:49) [primefaces-3.2.jar:]
    at org.primefaces.component.datatable.DataTableRenderer.decode(DataTableRenderer.java:73) [primefaces-3.2.jar:]
    at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:795) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at javax.faces.component.UIData.processDecodes(UIData.java:984) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at org.primefaces.component.datatable.DataTable.processDecodes(DataTable.java:571) [primefaces-3.2.jar:]
    at javax.faces.component.UIForm.processDecodes(UIForm.java:216) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at org.primefaces.component.layout.Layout.processDecodes(Layout.java:238) [primefaces-3.2.jar:]
    at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:926) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl-2.0.4-b09-jbossorg-4.jar:2.0.4-b09-jbossorg-4]
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312) [jboss-jsf-api_2.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57) [jboss-as-web-7.0.0.Final.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [jbossweb-7.0.0.CR4.jar:7.0.0.Final]
    at java.lang.Thread.run(Thread.java:722) [:1.7.0_01]
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1) javax.faces.FacesException: null
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:86)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.jboss.as.web.NamingValve.invoke(NamingValve.java:57)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:667)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at java.lang.Thread.run(Thread.java:722)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1) Caused by: java.lang.NumberFormatException: null
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at java.lang.Integer.parseInt(Integer.java:454)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at java.lang.Integer.valueOf(Integer.java:582)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.primefaces.component.datatable.DataHelper.decodePageRequest(DataHelper.java:49)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.primefaces.component.datatable.DataTableRenderer.decode(DataTableRenderer.java:73)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:795)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIData.processDecodes(UIData.java:984)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.primefaces.component.datatable.DataTable.processDecodes(DataTable.java:571)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIForm.processDecodes(UIForm.java:216)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at org.primefaces.component.layout.Layout.processDecodes(Layout.java:238)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1047)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:926)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
 
14:12:52,476 ERROR [stderr] (http--127.0.0.1-8080-1)     ... 16 more

Contexte :
Eclipse indigo
java 1.7
primefaces 3.2

La page n'a pas grand chose de spécial (je trouve)

Code :

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<?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://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:p="http://primefaces.org/ui">
 
<ui:composition template="/template.xhtml">
 
    <ui:define name="content">
        <h:form id="jsfform1">
 
        <p:commandButton onclick="panel1.show()" value="Nouveau" type="button"/>
        <p:commandButton action="#{personManager.delete}" value="Supprimer" immediate="true" update="persons"/>
        <p:commandButton action="#{personManager.reinit}" value="Recréer les données" immediate="true" update="persons"/>
 
        <p:growl id="messages" autoUpdate="true" showDetail="true" showSummary="false" sticky="false" />
 
 
        <p:dataTable value="#{personManager.cacheList}" var="item" id="persons" binding="#{personManager.uiDataTable}"
            selectionMode="multiple" selection="#{personManager.selectedPersons}" 
            rowKey="#{item.identity}" style="padding-top:10;width:850px" editable="true"
            emptyMessage="Aucune donnée" paginator="true" rowsPerPageTemplate="5,10,15" rows="#{personManager.currentRows}" widgetVar="personsTable" >
 
            <f:facet name="header">  
                <p:outputPanel>  
                    <h:outputText value="Recherche dans toutes les colonnes :" />  
                    <p:inputText id="globalFilter" onkeyup="personsTable.filter()" style="width:150px" />  
                </p:outputPanel>  
            </f:facet>  
 
            <p:column headerText="#{msg.form_list_identity}" style="width:100px" filterBy="#{item.identity}" filterMatchMode="contains">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{item.identity}" />
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText id="identity" value="#{item.identity}" style="width:90%" validator="#{personManager.validateForm}" />
                    </f:facet>
                </p:cellEditor>
            </p:column>
 
            <p:column headerText="#{msg.form_list_name}" style="width:450px" filterBy="#{item.name}" filterMatchMode="contains">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{item.name}" />
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText id="name" value="#{item.name}" style="width:90%" validator="#{personManager.validateForm}"/>
                    </f:facet>
                </p:cellEditor>
            </p:column>
 
            <p:column headerText="#{msg.form_list_birthdate}" style="width:100px;text-align:center" filterBy="#{item.birthdate}" filterMatchMode="contains">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{item.birthdate}">
                            <f:convertDateTime pattern="dd/MM/yyyy" timeZone="#{personManager.serverTimeZone}"/>
                        </h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:calendar id="birthdate2" value="#{item.birthdate}" style="width:90%" mode="popup" pattern="dd/MM/yyyy" validator="#{personManager.validateForm}"/>
                    </f:facet>
                </p:cellEditor>
            </p:column>
 
            <p:column headerText="#{msg.form_list_age}" style="width:100px;text-align:right" filterBy="#{item.age}" filterMatchMode="contains">
                <h:outputText value="#{item.age}" />
            </p:column>
 
            <p:column style="width:100px">
                <p:rowEditor />
                <p:commandLink action="#{personManager.clear}" update="@form" immediate="true">
                    <p:graphicImage url="./images/delete.gif" style="border:0"/>
                    <f:param name="identity" value="#{item.identity}"/>
                </p:commandLink>
                <p:commandLink action="#{personManager.loadDetail}" immediate="true">
                    <p:graphicImage url="./images/detail.gif" style="border:0"/>
                    <f:param name="identity" value="#{item.identity}"/>
                </p:commandLink>
            </p:column>
        </p:dataTable>
    </h:form>
 
 
    <h:form id="jsfform2">
 
        <p:dialog id="editDialog" header="Nouvelle personne" widgetVar="panel1"  showEffect="drop" hideEffect="explode" modal="false" appendToBody="false">
            <p:panelGrid columns="2">
                <h:outputText for="identity" value="#{msg.form_label_identity}" />
                <p:inputText id="identity" value="#{personManager.identity}" validator="#{personManager.validateForm}"/>
 
                <h:outputLabel for="name" value="#{msg.form_label_name}" />
                <p:inputText id="name" value="#{personManager.name}" validator="#{personManager.validateForm}" />
 
                <h:outputLabel for="birthdate" value="#{msg.form_label_birthdate}" />
                <p:calendar id="birthdate" value="#{personManager.birthdate}" mode="popup" pattern="dd/MM/yyyy" required="false" requiredMessage="Date obligatoire" validator="#{personManager.validateForm}"/>
 
                <f:facet name="footer">
                    <p:commandButton action="#{personManager.save}"
                        value="#{msg.form_action_save}"
                        icon="ui-icon-check" style="margin-left:0" />
                </f:facet>
            </p:panelGrid>
        </p:dialog>
 
    </h:form>
    </ui:define>
</ui:composition>
 
</html>

**OButterlin** · 17/04/2012, 11h44

Si vous avez besoin d'autres informations, je peux les rajouter...

**OButterlin** · 17/04/2012, 12h26

J'avance un peu.
L'erreur est liée au binding du composant datatable dans le backing bean.

Voici donc le bean incriminé

Code :

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package com.sample.bean;
 
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import javax.ejb.EJB;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.ValidatorException;
import org.primefaces.component.datatable.DataTable;
import com.sample.ejb.PersonSingletonBean;
import com.sample.model.Person;
 
@ManagedBean(name = "personManager")
@SessionScoped
public class PersonManager
{
    private DataTable uiDataTable;
    private int currentRows = 5;
 
    @EJB
    PersonSingletonBean ejb;
 
    private Person selectedPerson;
    private Person[] selectedPersons = new Person[0];
 
    private String identity;
    private String name;
    private Date birthdate;
 
    public PersonManager()
    {
        super();
    }
 
    public DataTable getUiDataTable()
    {
        if (uiDataTable == null)
        {
            uiDataTable = new DataTable();
        }
        return uiDataTable;
    }
 
    public void setUiDataTable(DataTable uiDataTable)
    {
        this.uiDataTable = uiDataTable;
        if (this.uiDataTable != null)
        {
            currentRows = this.uiDataTable.getRows();
        }
    }
 
    public int getCurrentRows()
    {
        return currentRows;
    }
 
    public void setCurrentRows(int currentRows)
    {
        this.currentRows = currentRows;
    }
 
    public Person getSelectedPerson()
    {
        return selectedPerson;
    }
 
    public void setSelectedPerson(Person selectedPerson)
    {
        this.selectedPerson = selectedPerson;
    }
 
    public Person[] getSelectedPersons()
    {
        return selectedPersons;
    }
 
    public void setSelectedPersons(Person[] selectedPersons)
    {
        this.selectedPersons = selectedPersons;
    }
 
    public String getIdentity()
    {
        return identity;
    }
 
    public void setIdentity(String identity)
    {
        this.identity = identity;
    }
 
    public String getName()
    {
        return name;
    }
 
    public void setName(String name)
    {
        this.name = name;
    }
 
    public Date getBirthdate()
    {
        return birthdate;
    }
 
    public void setBirthdate(Date birthdate)
    {
        this.birthdate = birthdate;
    }
 
    /**
     * Initialisation des propriétés du formualaire
     */
    public void init()
    {
        identity = null;
        name = null;
        birthdate = null;
    }
 
    /**
     * Ajout à la liste
     */
    public String save()
    {
        if (identity == null || identity.trim().length() == 0 || name == null || name.trim().length() == 0)
        {
            return null;
        }
 
        Person person = ejb.get(identity);
        if (person == null)
        {
            ejb.put(identity, name, birthdate);
            FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Clé ajoutée", "La clé " + identity + " a été ajoutée à la liste");
            FacesContext.getCurrentInstance().addMessage(null, msg);
        }
        else
        {
            person.setIdentity(getIdentity());
            person.setName(getName());
            person.setBirthdate(getBirthdate());
            FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Clé modifiée", "La clé " + identity + " a été modifiée");
            FacesContext.getCurrentInstance().addMessage(null, msg);
        }
 
        init();
        return "liste";
    }
 
    /**
     * Demande du détail
     */
    public String loadDetail()
    {
        String identity = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get("identity");
        if (identity == null)
        {
            return null;
        }
 
        Person person = ejb.get(identity);
        setIdentity(person.getIdentity());
        setName(person.getName());
        setBirthdate(person.getBirthdate());
        return "detail";
    }
 
    /**
     * Retrait de la liste
     */
    public void clear()
    {
        String identity = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get("identity");
        if (identity == null)
        {
            return;
        }
 
        ejb.delete(identity);
        FacesContext.getCurrentInstance().addMessage(null,
                new FacesMessage(FacesMessage.SEVERITY_INFO, "Clé retirée", "La clé " + identity + " a été retirée de la liste"));
        selectedPerson = null;
    }
    /**
     * Suppression multiple
     */
    public String delete()
    {
        for (Person person : (Person[])uiDataTable.getSelection())
        {
            ejb.delete(person);
        }
        return "liste";
    }
 
    /**
     * Recréation des données de la liste
     */
    public void reinit()
    {
        ejb.initCache();
    }
 
    /**
     * Liste des clés/valeurs
     */
    public List<Person> getCacheList()
    {
        return ejb.getCache();
    }
 
    /**
     * Routine de validation
     */
    public void validateForm(FacesContext context, UIComponent validate, Object value)
    {
        if ("identity".equals(validate.getId()))
        {
            String v = (String) value;
            if (v == null || v.trim().length() == 0)
            {
                throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "identity", "Champ identité obligatoire"));
            }
        }
 
        if ("name".equals(validate.getId()))
        {
            String v = (String) value;
            if (v == null || v.trim().length() == 0)
            {
                throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "name", "Champ nom obligatoire"));
            }
        }
 
        if ("birthdate".equals(validate.getId()) || "birthdate2".equals(validate.getId()))
        {
            Date v = (Date) value;
            if (v == null)
            {
                throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "birthdate",
                        "Champ date de naissance obligatoire"));
            }
        }
    }
 
    /**
     * Récupération du timezone serveur pour le formattage des dates dans la vue
     */
    public String getServerTimeZone()
    {
        return TimeZone.getDefault().getID();
    }
 
}

**OButterlin** · 17/04/2012, 13h21

Bon, pour information à ceux qui tomberont sur ce problème, ce n'est pas un bug de primefaces mais de jsf.
c'est lié au scope session, en utilisant le scope request, ça passe...

Primefaces 3.2 - datatable bug ?

JSF Java

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