I have a conversation scoped list of tags (that can be assigned to items) and I am using s:convertEntity inside a h:selectManyListbox for this - nothing special.

The trick is that I don't need the list of tags re-fetched for every conversation, so I tried promoting the tag list to session or even application scope (updated via events in this case), but then s:convertEntity stopped working correctly (returning value not valid every time).

The tag list is obtained through a factory inside an event scoped component.
Am I doing something wrong here or this simply impossible? I thought that as long as the model is retained, everything is ok, but I seem to be mislead.

Here's the current (non working) code:

@Name("tagger")
@Scope(ScopeType.EVENT)
public class Tagger {

     @In private EntityManager entityManager;
     
     @Factory(value="allTags", scope=ScopeType.SESSION)
     public List<Tag> getAvailabeTags()
     {
          List<Tag> tags = entityManager.createQuery("select t from Tag t").getResultList();
          return tags;
     }
     
}

<s:decorate id="tagsField" template="layout/edit.xhtml">
          <ui:define name="label">Tags</ui:define>
          <h:selectManyListbox value="#{itemHome.instance.tags}">
               <s:selectItems var="t" value="#{allTags}" label="#{t.name}" />
               <s:convertEntity />
          </h:selectManyListbox>
</s:decorate>

If @Factory's scope is changed to conversation or page, it works fine.