[RichFaces] La popup [ModalPanel] disparait automatiquement après son affichage

Bonjour,

Je désire afficher une popup lors d'un clic sur un bouton, la popup s'affiche mais disparait toute seul.

Mon environnement est le suivant : Spring Webflow, RichFaces

Voici le code de la popup est le bouton ainsi que le flow de transition :

------------------ Code ModalPanel ---------------

Code:

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<ui:composition xmlns="http://www.w3.org/1999/xhtml"
	xmlns:ui="http://java.sun.com/jsf/facelets"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:a4j="http://richfaces.org/a4j"
	xmlns:rich="http://richfaces.org/rich">
 
	<rich:modalPanel id="popup" autosized="true">
		<f:facet name="header">
			<h:outputText value="Confirmation Clonage" />
		</f:facet>
		<f:facet name="controls">
			<h:panelGroup>
				<h:graphicImage
					value="/stylesheet/img/Images/Gnome-Window-Close-32.png"
					styleClass="hidelink" id="hidelink" height="15" width="15" />
				<rich:componentControl for="popup" attachTo="hidelink"
					operation="hide" event="onclick" />
			</h:panelGroup>
		</f:facet>
 
		<a4j:outputPanel id="compo">
			<a4j:form id="formPopup">
				<div class="clear"></div>
				<div class="clear"></div>
 
				<p>This entity has more documents</p>
				<p>
					Nbre of documents to clone :
					<h:outputText value="" styleClass="label" />
				</p>
				<p>Want you really saved this entity and clone ?</p>
 
				<div style="margin-bottom: 30px" />
 
				<h:panelGroup>
 
					<a4j:commandLink reRender="identityForm, formPopup"							
							action="clone"
							oncomplete="if (#{facesContext.maximumSeverity==null})Richfaces.hideModalPanel('popup');">
						<span class="btleft"></span>
						<span class="btmiddle">Save</span>
						<span class="btright"></span>
						<span class="clear"></span>
					</a4j:commandLink>
 
					<a4j:commandLink onclick="Richfaces.hideModalPanel('popup');"
						action="close">
						<span class="btleft"></span>
						<span class="btmiddle">Cancel</span>
						<span class="btright"></span>
						<span class="clear"></span>
					</a4j:commandLink>
 
				</h:panelGroup>
			</a4j:form>
		</a4j:outputPanel>
	</rich:modalPanel>
</ui:composition>

------------------- Code Button --------------------

Code:

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<a4j:commandLink action="save" title="#{msg.btn_save}"
							oncomplete="Richfaces.hideModalPanel('popup');" onclick="Richfaces.showModalPanel('popup');" 
								reRender="formPopup" immediate="true" >
							<span class="btleft"></span>
							<span class="btmiddle">#{msg.btn_save}</span>
							<span class="btright"></span>
							<span class="clear"></span>
						</a4j:commandLink>

------------------------ Code Transistion -----------------

Code:

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<transition on="save" to="saved" validate="false">
			<evaluate expression="entityController.saveEntity(flowScope.entity)" result="flowScope.entity"/>			
		</transition>

<subflow-state id="editEntity" subflow="entitymngt/newEntity">
		<input name="entityEdit" value="flowScope.entity"/>
		<input name="create" value="create"/>
		<input name="show" value="show"/>
		<transition on="saved" to="editEntity"/>
		<transition on="quit" to="quit"/>
		<transition on="cloned" to="entitiesForm"/>
		<transition on="close" to="close"/>
	</subflow-state>

-------------------- Code Java -----------------------

Code:

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public Entity saveEntity(Entity entity) {
		// Check if new entity creation to send notifications to UN1 and UN2
 
		setNbTransactionCloned(10);			
 
		setShowPopup(true);
 
		if (entity.getId() == null) {
			this.entityToSaved = entity;
			cloneTransactionsEntity();
 
		} else {
			entityServiceFacade.saveEntity(entity);
		}
 
		return entity;
 
	}

Le fonctionnement desirer est lors du clic sur le bouton , j'affiche la popup est apres l'affichage , si on clic sur "clone" on continue le traitement de l'entity saisie préalablement.