Because I do not use some special statesaving stuff, I`ll copy my code here.
If I hit that save button, it shows me this exception.
| @Stateful
| @Name("cateditor")
| @Conversational(ifNotBegunOutcome="categorys")
| public class CategoryEditorBean implements CategoryEditor,Serializable {
|
| @In(create=true,value="digizoneDatabase")
| EntityManager em;
|
| @Out(required=false)
| @In(required=false)
| private Category category;
|
| Logger logger = Logger.getLogger(CategoryEditorBean.class);
|
| @RequestParameter
| int catid;
|
| Map<String,Category> categoryMap;
| List<Category> categories;
|
| @Create
| public void loadData() {
| categories = em.createQuery("from Category c")
| .setHint("org.hibernate.cacheable", true)
| .getResultList();
| Map<String,Category> results = new TreeMap<String,Category>();
|
| for (Category category: categories) {
| results.put(category.getName(),category);
| }
|
| categoryMap = results;
| }
|
| public void create() {
| em.persist(category);
| }
| public void save() {
| em.refresh(category);
| }
| @Begin(join=true)
| public void selectCreate() {
| category = new Category();
| category.setHead(em.find(Category.class,catid));
| }
| @Begin(join=true)
| public void selectModify() {
| category = em.find(Category.class,catid);
| }
|
| @End
| public String delete() {
| category = em.find(Category.class,catid);
| em.remove(category);
| return null;
| }
|
| public Map<String,Category> getCategories() {
| return categoryMap;
| }
| public Category getCategory() {
| return this.category;
| }
|
| @Destroy @Remove
| public void destroy() {}
| }
|
| <?xml version="1.0" encoding="iso-8859-15"?>
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
| <html 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:t="http://myfaces.apache.org/tomahawk";
| xmlns:s="http://jboss.com/products/seam/taglib";>
| <body>
| <ui:composition template="templates/layout.xhtml">
| <ui:define name="tabs">
| <div class="tab enabled">
| <div class="tab_l"></div>
| <a
href="categorys.jsf">#{msgs.allCategories}</a>
| <div class="tab_r"></div>
| </div>
| <div class="tabs_separator"></div>
| <div class="tab choosed">
| <div class="tab_l"></div>
| Grupi muutmine
| <div class="tab_r"></div>
| </div>
| <div class="tabs_separator"></div>
| <div class="tab disabled">
| <div class="tab_l"></div>
| Grupi loomine
| <div class="tab_r"></div>
| </div>
| <div class="tabs_separator"></div>
| </ui:define>
| <ui:define name="body">
| <h1><span class="heading"></span>ANDMED</h1>
| <div id="andmed">
| <h:form>
|
| <span class="errors"><h:message for="name"/></span>
| <h:outputLabel for="name" value="Grupi nimi"/>
| <h:inputText id="name" value="#{category.name}"
styleClass="field"/>
| <div class="separator"></div>
|
| <span class="errors"><h:message for="head"/></span>
| <h:outputLabel for="head" value="Tüvikategooria"/>
| <h:selectOneMenu converter="#{categoryConverter}"
id="head" value="#{category.head}" styleClass="field">
| <f:selectItems
value="#{cateditor.categories}"/>
| </h:selectOneMenu>
| <div class="separator"></div>
|
| <span class="errors"><h:message for="showed"/></span>
| <h:outputLabel for="showed" value="Avalik"/>
| <h:selectOneRadio id="showed"
value="#{category.showed}" styleClass="field">
| <f:selectItem itemValue="true" itemLabel="Jah"/>
| <f:selectItem itemValue="false" itemLabel="Ei"/>
| </h:selectOneRadio>
| <div class="separator"></div>
|
| <s:link id="submit" value="Salvesta muudatused"
action="#{cateditor.save}"
| buttonClass="button" linkStyle="button"/>
|
|
| </h:form>
| </div>
| <h1><span class="heading"></span>PARAMEETRID</h1><br />
| <div id="andmed">
| <h:form>
| </h:form>
| </div>
| </ui:define>
| </ui:composition>
|
| </body>
| </html>
|
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