SelectItemGroup et java.lang.NumberFormatException

bonjour,

Je souahite afficher Dans une liste deux groupes. Par exemple ma liste pourrait etre :
Utilisateurs
user 1
user 2
Group
group 1
group 2

Lorsque j'exécute mon code j'ai une erreur que je n'arrive pas a résoudre.: java.lang.NumberFormatException

Voici ma page JSP:

Code:

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                            <span class="formTitle">
                                <h:outputText value="#{bundle.synchronization_title}"/>
                            </span>
 
                         <div class="formCadre">      
                            <h:selectManyListbox value="#{Synchronization_1.optionsSelected}">
                                <f:selectItems value="#{Synchronization_1.changedGroupsOptions.options}"/>
                            </h:selectManyListbox>
                        </div>

voic mon backing bean :

Code:

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public class Synchronization_1 extends AbstractPageBean{
    @EJB
    private GroupManagerRemote groupsManager;
    @EJB
    private UserManagerRemote userManager;
 
    private static final String PREFIX_GROUPS = "group_";
    private static final String PREFIX_USERS = "user_";
 
    private List optionsSelected = new ArrayList();
    private SelectItem[] changedGroupsOptions;
    final ResourceBundle bundle = getApplicationBean().getRessourceBundle();
 
    /**
     * <p>Construct a new Page bean instance.</p>
     *
     * @throws NamingException 
     */
    public Synchronization_1() throws NamingException {
        groupsManager = EJBUtils.getEJB(GroupManagerRemote.class);
        userManager = EJBUtils.getEJB(UserManagerRemote.class);
 
        getSessionBean().setSelectedMainTab(SessionBean_1.MAIN_TAB_ACCEPTORS);
        getSessionBean().setSelectedAcceptorTab(SessionBean_1.ACCEPTOR_TAB_SYNCHRO);
 
        getSessionBean().getRoleCache().assertHasRoleInTab(
                UserRolesCache.TAB_SYNCHRO,
                getFacesContext());
 
    }
 
    @Override
    public void init() {
        // Perform initializations inherited from our superclass
        super.init();
    }
 
 
    private SelectItem[] loadGroupOptions() {
        final Long acceptorId = getSessionBean().getCurrentAcceptorId();
        final List<Group> changedGroups = groupsManager.getChangedRootGroups(acceptorId);
 
        final SelectItem[] options = new SelectItem[changedGroups.size()];
        int i = 0;
        for (Group changedGroup : changedGroups) {
            SelectItem option = new SelectItem(
                    PREFIX_GROUPS + changedGroup.getId(),
                    changedGroup.getName());
            option.setDisabled(!groupsManager.isConsistentToSynchronize(changedGroup));
            //option.setImage("../public/images/edit.gif");
            options[i++] = option;
        }
 
        return options;
    }
 
    private SelectItem[] loadUserOptions() {
        System.out.println("GROUP USER");
        final List<User> changedUsers = userManager.getChangedUsers();
        System.out.println("List User: " + changedUsers);
        SelectItem[] options = new SelectItem[changedUsers.size()];
        int i = 0;
        for (User changedUser : changedUsers) {
            SelectItem option = new SelectItem(
                    PREFIX_USERS + changedUser.getId(),
                    changedUser.getName());
            //option.setImage("public/images/edit.gif");
            System.out.println("Option: label: " + option.getLabel() + " value: " + option.getValue());
            options[i++] = option;
        }    
        System.out.println("OPTIONS: " + options);
        return options;
    }
 
    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return a reference to the scoped data bean
     */
    protected ApplicationBean_1 getApplicationBean() {
        return (ApplicationBean_1) getBean("ApplicationBean_1");
    }
 
    /**
     * <p>Return a reference to the scoped data bean.</p>
     *
     * @return a reference to the scoped data bean
     */
    protected SessionBean_1 getSessionBean() {
        return (SessionBean_1) getBean("SessionBean_1");
    }
 
    public List getOptionsSelected(){
        //getSessionBean().setSelectedItemToSynchronize(null);
        return this.optionsSelected;
    }
 
    public void setOptionsSelected(List l){
        this.optionsSelected = l;
    }
 
    @SuppressWarnings("empty-statement")
    public SelectItem[] getChangedGroupsOptions() {
 
        System.out.println("getChangedGroupsOptions");
        final SelectItem[] groupOptions = loadGroupOptions();
        final SelectItem[] usersOption = loadUserOptions();
 
       System.out.println("groupOptions: " + groupOptions);
       System.out.println("usersOption: " + usersOption);
 
       final SelectItemGroup groups = new SelectItemGroup();
       groups.setLabel(bundle.getString("synchronization_groups"));
       groups.setSelectItems(groupOptions);
 
 
        final SelectItemGroup users = new SelectItemGroup();
        users.setLabel(bundle.getString("synchronization_users"));
        users.setSelectItems(usersOption);
 
        System.out.println("Synchro user: " + users.getLabel() + " " + users.getSelectItems());
 
       changedGroupsOptions = new SelectItem[]{groups, users};
 
        System.out.println("CHOIX: " + changedGroupsOptions);
        System.out.println("SELECTED: " + optionsSelected);
 
        return changedGroupsOptions;
    }
 
    public void setChangedGroupsOptions(SelectItem[] dol) {
        this.changedGroupsOptions = dol;
    }
}

Et voici le log :

Code:

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getChangedGroupsOptions
GROUP USER
List User: [User(2, 'test', ADDED)]
Option: label: test value: user_2
OPTIONS: [Ljavax.faces.model.SelectItem;@90ff95
usersOption: [Ljavax.faces.model.SelectItem;@90ff95
Synchro user: Utilisateurs [Ljavax.faces.model.SelectItem;@90ff95
CHOIX: [Ljavax.faces.model.SelectItem;@90ff95
WebModule[/ArchiPEL/Administration]javax.el.ELException: java.lang.NumberFormatException: For input string: "options"
javax.faces.FacesException: javax.el.ELException: java.lang.NumberFormatException: For input string: "options"
        at javax.faces.component.UISelectItems.getValue(UISelectItems.java:133)
        at com.sun.faces.renderkit.RenderKitUtils.getSelectItems(RenderKitUtils.java:323)
        at com.sun.faces.renderkit.html_basic.MenuRenderer.getOptionNumber(MenuRenderer.java:675)
        at com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:793)
        at com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:335)
        at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
        at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
        at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
        at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:245)
        at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:176)
        at com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.renderView(ViewHandlerImpl.java:320)
        at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
        at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
        at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
        at com.sun.faces.extensions.avatar.lifecycle.PartialTraversalLifecycle.render(PartialTraversalLifecycle.java:106)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
        at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
        at com.sagemParkeon.archipel.administration.web.servlet.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:50)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
        at com.sun.webui.jsf.util.UploadFilter.doFilter(UploadFilter.java:267)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
        at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)
        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)
        at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)
        at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)
        at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)
        at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
        at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
        at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
        at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)
        at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
 
......

Merci pour votre aide