2:33 p.m.
JBoss 4.0.4.GA
JBoss Seam 1.0.1 GA
Hi, I am really stuck and cant progress :-(
I have a page called viewRatePage, which allows
users to add Rate objects to their profile. When
I add a new rate, the selectOneMenu items never
clear on the refresh when a new rate is added,
it contains the old selection of the previous
rate. I do force a null on the injected rate, but
this has no effect. Please please can anyone help?
This issue affects other pages which have the same
relationship, ie adding items to a list.
These are my previous posts:
http://www.jboss.com/index.html?module=bb&op=viewtopic&t=87408
This is my view:
| <div class="section">
| <fieldset>
|
| <div class="entry_small">
|
| <c:choose>
| <c:when test='${ratesPageManager.rates == null or
ratesPageManager.rowCount == 0}'>
| Empty Rates
| </c:when>
| <c:otherwise>
| <h:dataTable
value="#{ratesPageManager.rates}" var="item"
rendered="#{ratesPageManager.rowCount>0}"
rowClasses="rvgRowOne,rvgRowTwo">
|
| <h:column>
| <f:facet
name="header"><h:outputText
value="Duration"/></f:facet>
| <h:outputText
value="#{item.duration}"/>
| </h:column>
| <h:column>
| <f:facet
name="header"><h:outputText value="Unit"/></f:facet>
| <h:outputText
value="#{item.unit}"/>
| </h:column>
| <h:column>
| <f:facet
name="header"><h:outputText
value="Currency"/></f:facet>
| <h:outputText
value="#{item.currency}"/>
| </h:column>
| <h:column>
| <f:facet
name="header"><h:outputText value="Cost"/></f:facet>
| <h:outputText
value="#{item.cost}"/>
| </h:column>
| <h:column>
| <f:facet
name="header">Action</f:facet>
| <h:commandLink
action="#{ratesPageManager.deleteRate}">Delete</h:commandLink>
| </h:column>
|
| </h:dataTable>
| </c:otherwise>
| </c:choose>
|
| </div>
| </fieldset>
|
| <br/>
| <fieldset>
| <div class="entry_small">
| <h:form>
| <table>
| <tr>
| <td><div
class="label"><h:outputLabel>Duration:</h:outputLabel></div></td>
| <td><div
class="select"><h:selectOneMenu
value="#{rate.duration}"><f:selectItems
value="#{ratesManager.durations}"/></h:selectOneMenu></div></td>
| <td><div
class="label"><h:outputLabel>Unit:</h:outputLabel></div></td>
| <td><div
class="select"><h:selectOneMenu
value="#{rate.unit}"><f:selectItems
value="#{ratesManager.units}"/></h:selectOneMenu></div></td>
| <td><div
class="label"><h:outputLabel>Currency:</h:outputLabel></div></td>
| <td><div
class="select"><h:selectOneMenu
value="#{rate.currency}"><f:selectItems
value="#{ratesManager.currencys}"/></h:selectOneMenu></div></td>
| <td><div
class="label"><h:outputLabel>Cost:</h:outputLabel></div></td>
| <td><div
class="select"><h:selectOneMenu
value="#{rate.cost}"><f:selectItems
value="#{ratesManager.costs}"/></h:selectOneMenu></div></td>
| </tr>
| <tr>
| <td colspan="8">
| <h:commandButton value="Add Rate"
action="#{ratesPageManager.addRate}" class="button"/>
| </td>
| </tr>
| </table>
| </h:form>
| </div>
| </fieldset>
| </div>
|
Any my Rate object that gets instantiated is an entity bean:
| @Entity
| @Name("rate")
| @Scope(EVENT)
| public class Rate implements Serializable {
|
| protected int Id = 0;
|
| protected int duration = 0;
| protected String unit = null;
| protected String currency = null;
| protected int cost = 0;
| protected RatesPage ratesPage = null;
|
| @Id
| @GeneratedValue(strategy = GenerationType.AUTO)
| public int getId() {
| return Id;
| }
|
| public void setId(int id) {
| Id = id;
| }
| ... // for brevity
|
My session bean behind the page is (with unnecessary methods removed):
| @Stateful
| @Scope(ScopeType.SESSION)
| @Name("ratesPageManager")
| @Interceptors(SeamInterceptor.class)
| @LoggedIn
| @TransactionAttribute(REQUIRES_NEW)
| public class RatesPageManagerBean implements RatesPageManager {
|
| @In
| @Out
| @Valid
| private User user;
|
| @In
| @Out
| @Valid
| private Profile profile;
|
| @In(required = false)
| @Out(required = false)
| @Valid
| private RatesPage ratesPage;
|
| @PersistenceContext
| private EntityManager em;
|
| @In
| private transient FacesContext facesContext;
|
| @DataModel
| private List<Rate> rates = new ArrayList();
|
|
| @DataModelSelection
| private Rate selectedRate;
|
| @In(required = false)
| private Rate rate;
|
|
| //public Rate getRate() {
| // return newRate;
| //}
|
| // public void setRate(Rate rate) {
| // this.newRate = rate;
| // }
|
|
|
| @IfInvalid(outcome = REDISPLAY)
| public String create() {
| if (profile.getRatesPage() == null) {
| em.persist(ratesPage);
| profile.setRatesPage(ratesPage);
| profile = em.merge(profile);
| ratesPage = em.merge(ratesPage);
| em.refresh(user);
| return "viewRatesPage";
| } else {
| facesContext.addMessage(null, new FacesMessage("RatesPage already
exists"));
| return "viewProfile";
| }
| }
|
| public String select() {
| profile = user.getProfile();
| ratesPage = profile.getRatesPage();
| rates.clear();
| rates.addAll(ratesPage.getRates());
| clearRatesOnDisplay();
| return "viewRatesPage";
| }
|
| private boolean isUnSet(Rate rateToCheck) {
|
| boolean isOk = (
| (rateToCheck.getCost() == 0) ||
(rateToCheck.getCurrency().equals("-")) ||
| (rateToCheck.getDuration() == 0) ||
(rateToCheck.getUnit().equals("-"))
| );
| log.info("Rate check:: cost=" + rateToCheck.getCost() + "
currency=" +rateToCheck.getCurrency()
| + " duration=" + rateToCheck.getDuration() + "
unit=" + rateToCheck.getUnit());
| return isOk;
| }
|
|
| public String addRate() {
| log.info("addRate() called - " + rate);
|
| if(isUnSet(rate)) {
| log.warn("Failed rates check");
| rate = null;
| facesContext.addMessage(null, new FacesMessage("Please enter
rates"));
| return "viewRatesPage";
| }
| log.info("trying to add rate - " + rate);
| rate.setRatesPage(ratesPage);
| em.persist(rate);
| ratesPage.addRate(rate);
| ratesPage = em.merge(ratesPage);
| profile = em.merge(profile);
| log.info("Persisted! and trying to remove");
| clearRatesOnDisplay();
| return select();
| }
|
| public String deleteRate() {
| log.info("deleteRate() called, removing " + selectedRate);
| rates.remove(selectedRate);
| ratesPage.removeRate(selectedRate);
| em.remove(selectedRate);
| clearRatesOnDisplay();
| return "viewRatesPage";
| }
|
| public String delete() {
| profile.setRatesPage(null);
| em.remove(ratesPage);
| profile = em.merge(profile);
| ratesPage = null;
| return "viewProfile";
| }
|
| private void clearRatesOnDisplay() {
| Contexts.getPageContext().remove("rate");
| //Contexts.getPageContext().remove("ratesManager");
| rate = null;
| selectedRate = null;
| }
| }
|
The component/javabean that provides the rate types and values is
| @Name("ratesManager")
| @Interceptors(SeamInterceptor.class)
| @Scope(ScopeType.APPLICATION)
| public class Rates {
|
| public Rates() {
| log.info("** Rates (RatesManager) instantated **");
| }
|
| /**
| * The durations
| */
| static final String[][] DURATION = // left out for brevity
|
| /**
| * The units
| */
| static final String[][] UNIT = // left out for brevity
|
| /**
| * The currency
| */
| static final String[][] CURRENCY = // left out for brevity
|
| /**
| * The cost
| */
| static final String[][] COST = // left out for brevity
|
| /**
| * The duration list
| *
| * @return List
| */
| public List<SelectItem> getDurations() {
| List<SelectItem> result = new ArrayList<SelectItem>();
| for (int i = 0; i < DURATION.length; i++) { // value, label, desc
| result.add(new SelectItem(DURATION[0], DURATION[1], DURATION[2]));
| }
| return result;
| }
|
| /**
| * The unit list
| *
| * @return List
| */
| public List<SelectItem> getUnits() {
| List<SelectItem> result = new ArrayList<SelectItem>();
| for (int i = 0; i < UNIT.length; i++) { // value, label, desc
| result.add(new SelectItem(UNIT[0], UNIT[1], UNIT[2]));
| }
| return result;
| }
|
| /**
| * The currency list
| *
| * @return List
| */
| public List<SelectItem> getCurrencys() {
| List<SelectItem> result = new ArrayList<SelectItem>();
| for (int i = 0; i < CURRENCY.length; i++) { // value, label, desc
| result.add(new SelectItem(CURRENCY[0], CURRENCY[1], CURRENCY[2]));
| }
| return result;
| }
|
| /**
| * The cost list
| *
| * @return List
| */
| public List<SelectItem> getCosts() {
| List<SelectItem> result = new ArrayList<SelectItem>();
| for (int i = 0; i < COST.length; i++) { // value, label, desc
| result.add(new SelectItem(COST[0], COST[1], COST[2]));
| }
| return result;
| }
|
|
| }
|
Upon inserting the first rate, the view still shows the previous rate in the selectMenus,
if you
change it and reinsert, the following exception is thrown
| 20:32:37,698 ERROR [STDERR] Jul 26, 2006 8:32:37 PM
com.sun.facelets.FaceletViewHandler handleRenderException
| SEVERE: Error Rendering View
| java.lang.IllegalStateException: Client-id : _id0 is duplicated in the faces tree.
| at
org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:241)
| at
org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:255)
| at
org.apache.myfaces.application.jsp.JspStateManagerImpl.saveSerializedView(JspStateManagerImpl.java:204)
| at
org.jboss.seam.jsf.SeamStateManager.saveSerializedView(SeamStateManager.java:46)
| at
com.sun.facelets.FaceletViewHandler.writeState(FaceletViewHandler.java:589)
| at
org.apache.myfaces.renderkit.html.HtmlFormRendererBase.encodeBegin(HtmlFormRendererBase.java:74)
| at
javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:307)
| at
com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:511)
| at
com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518)
| at
com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:447)
| at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:352)
| at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:92)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:30)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
| at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
| at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
| at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
| at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
| at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
| at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
| at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
| at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
| at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
| at
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| at java.lang.Thread.run(Thread.java:595)
| 20:32:37,700 ERROR [STDERR] Jul 26, 2006 8:32:37 PM
com.sun.facelets.FaceletViewHandler handleRenderException
| SEVERE: Took Type: java.io.PrintWriter
| 20:32:37,717 INFO [RatesPageManagerBean] getRates() called size = 1
|
The server debug log shows that the previous rate object is passed down.
I tried modifiying the messages example with no success as the input field in the view
still had the old inserted value, see previous thread i mentioned.
Any ideas people ... i tried formatting this properly to get some help about this :-(
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3961114#...
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...