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POJSF custom Validator : no message rendered
 

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  1. POJSF custom Validator : no message rendered
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    <p>I want to display an error message using a custom JSF Validator.</p> <p>After validation, I have no message rendered !</p> <p><strong>EDITED</strong></p> <p>I added more xHTML code, I have a popup with many fields and an <code>a4j:commandButton</code>.</p> <p>The xHTML</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:sec="http://www.springframework.org/security/facelets/tags" xmlns:c="http://java.sun.com/jsp/jstl/core" xmlns:rich="http://richfaces.org/rich" xmlns:a4j="http://richfaces.org/a4j" xmlns:fn="http://java.sun.com/jsp/jstl/functions"&gt; &lt;body&gt; &lt;script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.js"&gt;&lt;/script&gt; &lt;ui:composition&gt; &lt;h:form&gt; &lt;ui:debug hotkey="x" /&gt; &lt;h:panelGrid width="100%" rendered="#{not empty declarationReglementaireModel.detailCurrentDecReg.decReg.listLigneDipRecsDTO}"&gt; &lt;rich:extendedDataTable id="listDipRec" iterationStatusVar="itDipRec" rows="50" value="#{declarationReglementaireModel.ligneDipRec}" var="ligneDipRec" frozenColumns="1" style="height:300px; width:900px;" selectionMode="none"&gt; &lt;rich:column width="35px"&gt; &lt;h:panelGrid columns="1" cellpadding="2"&gt; &lt;a4j:commandLink render="editGridDipRec" execute="@this" oncomplete="#{rich:component('modifDipRec')}.show()"&gt; &lt;span class="icone icone-edit icone-align-center" /&gt; &lt;a4j:param value="#{itDipRec.index}" assignTo="#{declarationReglementaireModel.currentLigneDipRecIndex}" /&gt; &lt;f:setPropertyActionListener target="#{declarationReglementaireModel.currentLigneDipRec}" value="#{ligneDipRec}" /&gt; &lt;/a4j:commandLink&gt; &lt;/h:panelGrid&gt; &lt;/rich:column&gt; &lt;rich:column&gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="F106" /&gt; &lt;/f:facet&gt; &lt;h:outputText value="#{ligneDipRec.lbValeurRubriqueF106}"&gt; &lt;/h:outputText&gt; &lt;/rich:column&gt; &lt;/rich:extendedDataTable&gt; &lt;/h:panelGrid&gt; &lt;rich:popupPanel header="Données modifiables" id="modifDipRec" domElementAttachment="form" autosized="true" zindex="500" left="auto" top="auto"&gt; &lt;h:panelGrid columns="1" id="editGridDipRec"&gt; &lt;h:panelGrid columns="6" cellspacing="10" styleClass="criteresSaisie" rowClasses="critereLigne" columnClasses="titreCourtColonne,,titreCourtColonne,,titreCourtColonne,"&gt; &lt;h:outputLabel for="DipRecDtLigne" value="Date ligne fichier Dip " /&gt; &lt;h:outputText id="DipRecDtLigne" value="#{declarationReglementaireModel.currentLigneDipRec.dtLigneDipRec}"&gt; &lt;f:convertDateTime pattern="dd/MM/yyyy" timeZone="Europe/Paris" /&gt; &lt;/h:outputText&gt; &lt;h:outputLabel for="DipRecLbF106" value="F106 " /&gt; &lt;h:inputText id="DipRecLbF106" value="#{declarationReglementaireModel.currentLigneDipRec.lbValeurRubriqueF106}"&gt; &lt;f:validator validatorId="checkvalidedouble" /&gt; &lt;/h:inputText&gt; &lt;h:messages id="DipRecLbF106_message" for="DipRecLbF106" /&gt; &lt;/h:panelGrid&gt; &lt;h:panelGroup&gt; &lt;div align="right"&gt; &lt;h:panelGrid columns="8"&gt; &lt;a4j:commandButton value="Enregistrer" action="#{rechercheDecRgltCtrl.enregistrerLigneDipRec}" render="listDipRec DipRecLbF106_message" execute="modifDipRec" oncomplete="if (#{facesContext.maximumSeverity==null}) {#{rich:component('modifDipRec')}.hide();}" /&gt; &lt;a4j:commandButton value="Annuler" onclick="#{rich:component('modifDipRec')}.hide(); return false;" /&gt; &lt;/h:panelGrid&gt; &lt;/div&gt; &lt;/h:panelGroup&gt; &lt;/h:panelGrid&gt; &lt;/rich:popupPanel&gt; &lt;/h:form&gt; &lt;/ui:composition&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>The Validator</p> <pre><code>public void validate(FacesContext facesContext, UIComponent uIComponent, Object object) throws ValidatorException{ String enteredValue = (String)object; if(enteredValue.contains(",")){ enteredValue = enteredValue.replace(",", ".") ; } boolean isANumber = false; try { double d = Double.parseDouble(enteredValue); isANumber = true; }catch(NumberFormatException nfe) { isANumber = false; } if (isANumber == false) { FacesMessage msgErreur = new FacesMessage("La valeur n'est pas un nombre valide.") ; msgErreur.setSeverity(FacesMessage.SEVERITY_ERROR) ; facesContext.addMessage(null, msgErreur) ; throw new ValidatorException(msgErreur); } } </code></pre> <p>faces-config</p> <pre><code>&lt;validator&gt; &lt;validator-id&gt;checkvalidedouble&lt;/validator-id&gt; &lt;validator-class&gt;xx.xxx.xxxxxx.model.DoubleValidator&lt;/validator-class&gt; &lt;/validator&gt; </code></pre>
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    1. COMaybe the problem is that you have specified `render="listDipRec"` in the submit button, you should add also the panel body id `editGridDipRec`, in order to redisplay the validation message.
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    2. COI removed the render property, and no changes
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    3. COYou have not to remove render attribute, change it to: `render="listDipRec editGridDipRec".
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