What does this message mean? That there are no EL implementation available? This can't be the case since other pages display ok.
Does anyone have any clue?
Julien.

rhancke,
Will do when I get back home tonight.
thanks,
Julien.

Hello again,
Here is the facelet page:

 <ui:composition template="/template.xhtml">
 <ui:define name="title">
 <title><h:outputText value="todo: accueil" /></title>
 </ui:define>
 <ui:define name="body">
 <a4j:outputPanel layout="block" styleClass="wrapper">
 <h:outputText value="Date: " />
 <h:outputText value="#{sculptureView.sculpture.annee}">
 <f:convertDateTime dateStyle="full" />
 </h:outputText>
 <br />
 <h:outputText value="#{sculptureView.sculpture.sculpturei18nMap[view.locale.language].titre}" />
 <br />
 <div id="imageflow">
 <div id="loading"><b>Loading images todo</b><br />
 <img src="/images/loading.gif" width="208" height="13" alt="loading" /></div>
 <div id="images"><a4j:repeat value="#{sculptureView.sculpture.photoList}" var="photo" rendered="false">
 <h:graphicImage styleClass="sculptureImg" alt="" value="/images/sculptures/#{sculptureView.sculpture.sculptureID}/#{photo.nom}.#{photo.format}" />
 </a4j:repeat></div>
 <div id="captions"></div>
 <div id="scrollbar">
 <div id="slider"></div>
 </div>
 </div>


 <a4j:outputPanel id="composantSuggestions" rendered="#{!empty suggestionOeuvreView.sculpturesNonVisitees}">
 <a4j:outputPanel id="sculptureSuggeree" ajaxRendered="true">
 <rest:link id="goToSculpture" value="sculptureAction">
 <f:param name="id" value="#{suggestionOeuvreView.sculptureSuggeree.sculptureID}" />
 <h:outputText value="#{suggestionOeuvreView.sculptureSuggeree.sculpturei18nMap[view.locale.language].titre}" />
 </rest:link>
 <a4j:form reRender="poll,sculptureSuggeree">
 <a4j:commandButton value="go" actionListener="#{suggestionOeuvreView.enable}" immediate="true" ajaxSingle="true" />
 <a4j:commandButton value="stop" actionListener="#{suggestionOeuvreView.disable}" immediate="true" ajaxSingle="true" />
 </a4j:form>
 </a4j:outputPanel>
 <a4j:region>
 <a4j:outputPanel id="poll" ajaxRendered="true">
 <a4j:form>
 <a4j:poll actionListener="#{suggestionOeuvreView.trouverSculptureSuggeree}"
 interval="5000"
 reRender="sculptureSuggeree,poll"
 ajaxSingle="true"
 limitToList="true"
 enabled="#{suggestionOeuvreView.enabled}"
 immediate="true" ignoreDupResponses="true"/>
 </a4j:form>
 </a4j:outputPanel>
 </a4j:region>
 </a4j:outputPanel>
 <a4j:outputPanel layout="block" styleClass="push" />
 </a4j:outputPanel>
 </ui:define>
 </ui:composition>

@Component("sculptureView")
@Scope("request")
@HttpParentAction("rootAction")
public class SculptureView {

 private static transient Logger log = Logger.getLogger("com.jeanbaptistemartin.view");
 private JbmService service;
 private Sculpture sculpture;
 private SuggestionOeuvreView suggestionOeuvreView;



 @Autowired
 public SculptureView(JbmService service) {
 log.info("SculptureView(JbmService service)");
 this.service = service;
 }

 public SuggestionOeuvreView getSuggestionOeuvreView() {
 log.debug("getSuggestionOeuvreView");
 return suggestionOeuvreView;
 }

 @Autowired
 @ScopedProxy
 public void setSuggestionOeuvreView(SuggestionOeuvreView suggestionOeuvreView) {
 log.warn("setSuggestionOeuvreView");
 this.suggestionOeuvreView = suggestionOeuvreView;
 }

 @Instance("#{sculptureView}")
 @HttpAction(value = "sculptureAction", pattern = "sculpture/{id}")
 public String getSculpture(@Param("id") int id) {
 log.debug("getSculpture");
 this.sculpture = service.findByID(id);
 //todo: gestion du cas SculptureNonTrouveeException
 etablirStatutVisiteSculpture(id);
 return "/sculpture.xhtml";
 }

 public Sculpture getSculpture() {
 log.debug("getSculpture");
 return sculpture;
 }

 public void etablirStatutVisiteSculpture(int sculptureId) {
 log.debug("etablirStatutVisiteSculpture");
 suggestionOeuvreView.enleverSculptureDeListeNonVisitees(sculptureId);
 }
}

@Component("suggestionOeuvreView")
@Scope("session")
public class SuggestionOeuvreView implements Serializable {

 private static transient Logger log = Logger.getLogger("com.jeanbaptistemartin.view");
 private LinkedList<Integer> sculpturesNonVisitees;
 private Sculpture sculptureSuggeree;
 private transient JbmService jbmService;
 private boolean enabled = true;


 @Autowired
 public SuggestionOeuvreView(JbmService jbmService) {
 log.debug("SuggestionOeuvreView()");
 this.jbmService = jbmService;
 this.sculpturesNonVisitees = recupererSculpturesNonVisitees();
 this.sculptureSuggeree = suggererSculpture();
 }

 private Sculpture suggererSculpture() {
 log.debug("suggererSculpture");
 if (this.sculpturesNonVisitees.isEmpty() || this.sculpturesNonVisitees.peek() == null) {
 log.error("problème");//todo
 return null;
 } else {
 Integer identifiantSculptureSuggeree = this.sculpturesNonVisitees.poll();//todo rename
 this.sculpturesNonVisitees.add(identifiantSculptureSuggeree);
 log.debug("I suggest this sculpture: " + identifiantSculptureSuggeree);
 return jbmService.findByID(identifiantSculptureSuggeree);
 }
 }

 public void trouverSculptureSuggeree(ActionEvent evt) {
 log.debug("trouverSculptureSuggeree");
 this.sculptureSuggeree = suggererSculpture();
 }

 public void enable(ActionEvent evt) {
 log.debug("enable");
 this.enabled = true;
 }

 public void disable(ActionEvent evt) {
 log.debug("disable");
 this.enabled = false;
 }

 public LinkedList<Integer> recupererSculpturesNonVisitees() {
 log.debug("recupererSculpturesNonVisitees() ");
 return jbmService.findAllSculptureIDs();
 }

 public void enleverSculptureDeListeNonVisitees(Integer sculptureId) {
 log.debug("enleverSculptureDeListeNonVisitees");
 this.sculpturesNonVisitees.remove(sculptureId);
 log.debug(this.sculpturesNonVisitees.size());
 }

 public Sculpture getSculptureSuggeree() {
 log.debug("getSculptureSuggeree");
 return sculptureSuggeree;
 }

 public void setSculptureSuggeree(Sculpture sculptureSuggeree) {
 log.debug("setSculptureSuggeree");
 this.sculptureSuggeree = sculptureSuggeree;
 }

 public void setJbmService(JbmService jbmService) {
 log.debug("setJbmService");
 this.jbmService = jbmService;
 }

 public boolean isEnabled() {
 log.debug("isEnabled");
 return this.enabled;
 }

 public void setEnabled(boolean enabled) {
 log.debug("setEnabled");
 this.enabled = enabled;
 }

 public LinkedList<Integer> getSculpturesNonVisitees() {
 log.debug("getSculpturesNonVisitees");
 return sculpturesNonVisitees;
 }

 public void setSculpturesNonVisitees(LinkedList<Integer> sculpturesNonVisitees) {
 log.debug("setSculpturesNonVisitees");
 this.sculpturesNonVisitees = sculpturesNonVisitees;
 }
}

I managed to pinpoint the problem: I had to getSculpture overloaded methods: one with a return type of String, one with a return type of Sculpture.