I have successfully added an attribute to the user profile object, but I want to be able to pull a list from a database and display it back to the user so that they may select from it. | <h:selectOneMenu id="company" value="#{manager.uiUser.attribute.company}" required="#{metadataservice.company.required}"> | <f:selectItems value="#{customerManager.customerNames}" /> | </h:selectOneMenu> | Backing bean: | package com.mycompany.ui; | | import java.util.ArrayList; | import java.util.List; | | import javax.faces.model.SelectItem; | | import com.mycompany.data.Customer; | import com.mycompany.service.CustomerManager; | | public class CustomerBean { | | private List<SelectItem> customerNames; | | public void setCustomerNames(List<SelectItem> customerNames) { | this.customerNames = customerNames; | } | | public List<SelectItem> getCustomerNames() { | if (customerNames == null) { | customerNames = initNames(); | } | | return customerNames; | } | | private List<SelectItem> initNames() { | List<SelectItem> custNamesSelectItem = new ArrayList<SelectItem>(); | try { | List<Customer> customerListFromDb = CustomerManager.getAllCustomers(); | for (Customer c : customerListFromDb) { | custNamesSelectItem.add(new SelectItem(c.getId(), c.getName())); | } | } catch (Exception e) { | // TODO Auto-generated catch block | e.printStackTrace(); | } | | return custNamesSelectItem; | } | } | When I access the page, I get the following exception. What causes this, since I am returning a list of SelectItem objects? | Caused by: java.lang.IllegalArgumentException: Collection referenced by UISelectItems with binding '#{customerManager.customerNames}' and Component-Path : {Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId: /WEB-INF/jsf/admin/editProfile.xhtml][Class: javax.faces.component.html.HtmlForm,Id: _id26jbpns_2fadmin_2fMembers_2fIdentityAdminPortletWindowsnpbj][Class: javax.faces.component.html.HtmlPanelGrid,Id: _id43jbpns_2fadmin_2fMembers_2fIdentityAdminPortletWindowsnpbj][Class: javax.faces.component.html.HtmlSelectOneMenu,Id: company][Class: javax.faces.component.UISelectItems,Id: _id85jbpns_2fadmin_2fMembers_2fIdentityAdminPortletWindowsnpbj]} does not contain Objects of type SelectItem | at org.apache.myfaces.shared_impl.util.SelectItemsIterator.next(SelectItemsIterator.java:184) | at org.apache.myfaces.shared_impl.renderkit.RendererUtils.internalGetSelectItemList(RendererUtils.java:451) | at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getSelectItemList(RendererUtils.java:428) | at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.internalRenderSelect(HtmlRendererUtils.java:294) | at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.renderMenu(HtmlRendererUtils.java:267) | at org.apache.myfaces.shared_impl.renderkit.html.HtmlMenuRendererBase.encodeEnd(HtmlMenuRendererBase.java:59) | at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539) | at org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:419) | at org.apache.myfaces.shared_impl.renderkit.html.HtmlGridRendererBase.renderChildren(HtmlGridRendererBase.java:229) | at org.apache.myfaces.shared_impl.renderkit.html.HtmlGridRendererBase.encodeEnd(HtmlGridRendererBase.java:101) | at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539) | at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:242) | at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239) | at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239) | at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:540) | at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41) | at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132) | at org.apache.myfaces.portlet.MyFacesGenericPortlet.facesRender(MyFacesGenericPortlet.java:498) | ... 236 more | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4139738#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...