Hi! I've an application similar to the booking-example. You can select an item from a list and go to a page to edit this item.
I have a stateful bean, from which the list is populated via @DataModel. I get back a @DatamodelSelction, which is a simple Bean, no Seam Component. In my JSP, I call an action method in another bean, which requests an EntityBean from the Database. I want to outject this row, but always get an org.jboss.seam.RequiredException: Out attribute requires value for component: walzeedit.walze Here is my code: Entity Bean: | @Entity | @Name("walze") | @Table(name="WALZEN" | , uniqueConstraints = { } | ) | | public class Walzen implements java.io.Serializable { | | . | . | . | List: | @Name("walzenuebersicht") | @Stateful | @Scope(ScopeType.SESSION) | @LoggedIn | | public class WalzenUebersichtBean | implements WalzenUebersicht { | | private String hydronummer = null; | private String gruppe = null; | | @In (create=true) | private EntityManager walzenDatabase; | | @DataModel | private List<WalzenElement> walzenliste; | | @DataModelSelection | WalzenElement selectedWalze; | | @Out(scope=ScopeType.CONVERSATION,required=false) | Map<WalzenElement, Boolean> walzenSelection; | | @Factory("walzenliste") | public void zeigeWalzen() { | | . | . | public WalzenElement getSelectedWalze() { | return selectedWalze; | } | . | . | | EditBean: | @Name("walzeedit") | @Stateful | @LoggedIn | | public class WalzeEditBean | implements WalzeEdit{ | | @In (create=true) | private EntityManager walzenDatabase; | | @In | private WalzenUebersicht walzenuebersicht; | | @Out | private Walzen walze; | | . | . | . | | | @Begin | public String aendern(){ | WalzenElement selectedWalze = walzenuebersicht.getSelectedWalze(); | walze = (Walzen) walzenDatabase.createQuery("SELECT w FROM Walzen w WHERE id = :id") | .setParameter("id", selectedWalze.getId()) | .getSingleResult(); | return "editWalze"; | } | | List JSP: | . | . | <t:dataTable id="walzen" var="aktwalze" value="#{walzenliste}" | styleClass="listtable" headerClass="listtablehead" | rowClasses="oddrow,evenrow"> | <t:column styleClass="colCenter" style="width:5%;"> | <h:selectBooleanCheckbox value="#{walzenSelection[aktwalze]}" /> | </t:column> | <t:column styleClass="colCenter" style="width:5%;"> | <h:commandLink id="aendern" value="#{aktwalze.id}" | action="#{walzeedit.aendern}" /> | </t:column> | <t:column styleClass="colLeft" style="width:10%;"> | <h:outputLabel value="#{aktwalze.hydronummer}" /> | </t:column> | . | . | Edit JSP: | . | . | <table> | <tr> | <td style="width: 23%;"><h:outputLabel value="Walze : " /></td> | <td style="width: 23%;"><h:outputLabel value="#{editWalze.id}" /> | </td> | <td style="width: 4%;"></td> | <td style="width: 24%;"></td> | <td style="width: 24%;"></td> | </tr> | <tr> | <td style="width: 24%;"><h:outputLabel value="Hydronummer" /></td> | <td style="width: 24%;"><h:inputText | value="#{editWalze.hydronummer}" size="20" maxlength="20" | id="hydroNummer" /></td> | . | . | Can anybody help me? If I set the required-Attribute of the Out-Parameter, the error disappears, but I can see the Outjected walze on the debugpage in a conversation-Context. What am I doing wrong? Can anybody help me? Thanks in advance Stefan View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3954963#3954963 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3954963 Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user