CommandFuts PrimeFaces не вызывает действие, если включен Ajax - PullRequest
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CommandFuts PrimeFaces не вызывает действие, если включен Ajax

4 голосов
/ 01 октября 2011

Вот моя страница: 

<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:cpanel="http://java.sun.com/jsf/composite/components/cpanel"
      xmlns:f="http://java.sun.com/jsf/core"
      xmlns:p="http://primefaces.prime.com.tr/ui"
      xmlns:ui="http://java.sun.com/jsf/facelets">
    <h:head>
        <title></title>
    </h:head>
    <h:body>
        <ui:composition template="/WEB-INF/templates/cpanelLayout.xhtml">
            <ui:define name="metadata">
                <f:metadata>
                    <f:viewParam name="id" value="#{linkDoctorBean.incomingDoctorId}" required="true"/>
                    <f:event type="preRenderView" listener="#{linkDoctorBean.preRenderView}"/>
                </f:metadata>
            </ui:define>
            <ui:define name="cpanelContent">
                <cpanel:adddedClinicDoctor doctor="#{linkDoctorBean.incomingDoctor}" clinic="#{linkDoctorBean.clinic}"/>
                <h:form id="form">
                    <div>
                        <h:panelGrid columns="2">
                            <p:selectOneMenu id="doctor"
                                             value="#{linkDoctorBean.doctor}"
                                             converter="#{doctorConverter}"
                                             effect="fade"
                                             var="d"
                                             height="180"
                                             validator="#{linkDoctorBean.validateDoctor}">
                                <f:selectItem itemLabel="Select a doctor" itemValue="" noSelectionOption="true"/>
                                <f:selectItems value="#{linkDoctorBean.doctors}" var="doctor" itemLabel="#{stringBean.doctorToString(doctor)}" itemValue="#{doctor}"/>
                                <p:column>
                                    <p:graphicImage value="#{applicationBean.baseResourceUrl}/doc-photo/small/#{d.urlDisplayName}"/>
                                </p:column>
                                <p:column>
                                    #{stringBean.doctorToString(d)}
                                </p:column>
                            </p:selectOneMenu>
                            <p:message id="doctorMessage" for="doctor"/>
                        </h:panelGrid>
                    </div>
                    <div style="margin-top:20px;">
                        <p:commandButton value="Link" action="#{linkDoctorBean.submit()}" update="doctorMessage" process="@all"/>
                        <h:link value="Cancel" outcome="/pages/cpanel/manage-doctors" style="margin-left:10px;"/>
                    </div>
                </h:form>
            </ui:define>
        </ui:composition>
    </h:body>
</html>

Когда я добавляю ajax="false" к <p:commandButton/>, он работает просто отлично - вызывается метод linkDoctorBean.submit().

При включенном ajax метод действия будет вызываться, если форма никогда не проходит проверку в текущем представлении, но если форма не проходит проверку один раз и впоследствии отправляется, сообщение об ошибке очищается, но метод submit() никогда не называется.

Изменить: Я также попытался заменить p:commandButton на это: 

<h:commandButton value="Link" action="#{linkDoctorBean.submit()}">
    <f:ajax execute="@all" render="doctorMessage"/>
</h:commandButton>

Поведение точно такое же. В обоих случаях сообщение проверки будет очищено при отправке действительной опции. Таким образом, происходит обновление / рендеринг, а не процесс / выполнение. Все последующие попытки не в состоянии выполнить действие, поэтому форма фактически не работает до следующей загрузки страницы.

Edit: Кажется, это не проблема PrimeFaces. Вот форма без PrimeFaces: 

    <h:form id="form">
        <div>
            <h:panelGrid columns="2">
                <h:selectOneMenu id="doctor"
                                 value="#{linkDoctorBean.doctor}"
                                 converter="#{doctorConverter}"
                                 style="width:200px;"
                                 required="true"
                                 requiredMessage="Please select a doctor"
                                 validator="#{linkDoctorBean.validateDoctor}">
                    <f:selectItem itemLabel="Select a doctor" itemValue="#{null}" noSelectionOption="true"/>
                    <f:selectItems value="#{linkDoctorBean.doctors}" var="doctor" itemLabel="#{stringBean.doctorToString(doctor)}" itemValue="#{doctor}"/>
                </h:selectOneMenu>
                <h:message id="doctorMessage" for="doctor"/>
            </h:panelGrid>
        </div>
        <div style="margin-top:20px;">
            <h:commandButton value="Link" action="#{linkDoctorBean.submit()}">
                <f:ajax execute="@form" render="doctorMessage"/>
            </h:commandButton>
            <h:link value="Cancel" outcome="/pages/cpanel/manage-doctors" style="margin-left:10px;"/>
        </div>
    </h:form>

Теперь есть некоторые незначительные различия, такие как required и значение элемента выбора заполнителя, равное null. Возможно, было бы лучше сосредоточиться на том, что может пойти не так с этим последним фрагментом кода, и на мгновение забыть о PrimeFaces.

Если это поможет, вот класс DoctorConverter: 

@Named("doctorConverter")
@RequestScoped
public class DoctorConverter implements Converter, Serializable
{
    @Override
    public Object getAsObject(FacesContext context, UIComponent component, String value)
    {
        UIInput in = (UIInput) component;
        String s = in.getSubmittedValue() != null ? in.getSubmittedValue().toString() : "";

        try
        {
            long doctorId = Long.parseLong(s);
            Doctor doctor = doctorDao.findByDoctorId(doctorId);
            if (doctor == null)
            {
                throw new Exception("Doctor not found.");
            }
            return doctor;
        }
        catch (Exception e)
        {
            throw new ConverterException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Please enter a valid doctor", null), e);
        }
    }

    @Override
    public String getAsString(FacesContext context, UIComponent component, Object value)
    {
        if (value == null || value.toString().length() == 0)
        {
            return "";
        }
        Doctor doctor = (Doctor) value;
        return doctor.getDoctorId().toString();
    }

    @EJB
    private DoctorDao doctorDao;
}

Edit: ... и вот пара методов из класса сущностей Doctor: 

@Override
public int hashCode()
{
    int hash = 0;
    hash += (doctorId != null ? doctorId.hashCode() : 0);
    return hash;
}

@Override
public boolean equals(Object object)
{
    if (!(object instanceof Doctor))
    {
        return false;
    }
    Doctor other = (Doctor) object;
    if ((this.doctorId == null && other.doctorId != null) || (this.doctorId != null && !this.doctorId.equals(other.doctorId)))
    {
        return false;
    }
    return true;
}

Edit: Как указано в комментариях, DoctorConverter.getAsObject вызывается три раза. Вот трассировки стека для трех вызовов по порядку:

1 

at java.lang.Thread.dumpStack(Thread.java:1342)
at com.localgp.jsf.converter.DoctorConverter.getAsObject(DoctorConverter.java:34)
at com.localgp.jsf.converter.org$jboss$weld$bean-localgp-server-web-1$0-SNAPSHOT_war-ManagedBean-class_com$localgp$jsf$converter$DoctorConverter_$$_WeldClientProxy.getAsObject(org$jboss$weld$bean-localgp-server-web-1$0-SNAPSHOT_war-ManagedBean-class_com$localgp$jsf$converter$DoctorConverter_$$_WeldClientProxy.java)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:171)
at com.sun.faces.renderkit.html_basic.MenuRenderer.convertSelectOneValue(MenuRenderer.java:202)
at com.sun.faces.renderkit.html_basic.MenuRenderer.getConvertedValue(MenuRenderer.java:319)
at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1030)
at javax.faces.component.UIInput.validate(UIInput.java:960)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1233)
at javax.faces.component.UIInput.processValidators(UIInput.java:698)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)
at javax.faces.component.UIForm.processValidators(UIForm.java:253)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:508)
at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1589)
at javax.faces.component.UIForm.visitTree(UIForm.java:344)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:376)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:252)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1170)
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.localgp.NoCacheFilter.doFilter(NoCacheFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:785)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:649)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:483)
at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:454)
at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:350)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:300)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:213)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:171)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.__invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
at com.sun.grizzly.comet.CometEngine.executeServlet(CometEngine.java:444)
at com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:308)
at com.sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:87)
at com.sun.grizzly.arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:171)
at com.sun.grizzly.arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:143)
at com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:94)
at com.sun.grizzly.http.TaskBase.run(TaskBase.java:193)
at com.sun.grizzly.http.TaskBase.execute(TaskBase.java:175)
at com.sun.grizzly.arp.DefaultAsyncHandler.handle(DefaultAsyncHandler.java:145)
at com.sun.grizzly.arp.AsyncProtocolFilter.execute(AsyncProtocolFilter.java:204)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)

2 

at java.lang.Thread.dumpStack(Thread.java:1342)
at com.localgp.jsf.converter.DoctorConverter.getAsObject(DoctorConverter.java:34)
at com.localgp.jsf.converter.org$jboss$weld$bean-localgp-server-web-1$0-SNAPSHOT_war-ManagedBean-class_com$localgp$jsf$converter$DoctorConverter_$$_WeldClientProxy.getAsObject(org$jboss$weld$bean-localgp-server-web-1$0-SNAPSHOT_war-ManagedBean-class_com$localgp$jsf$converter$DoctorConverter_$$_WeldClientProxy.java)
at javax.faces.component.SelectUtils.doConversion(SelectUtils.java:191)
at javax.faces.component.SelectUtils.matchValue(SelectUtils.java:99)
at javax.faces.component.UISelectOne.validateValue(UISelectOne.java:153)
at javax.faces.component.UIInput.validate(UIInput.java:967)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1233)
at javax.faces.component.UIInput.processValidators(UIInput.java:698)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)
at javax.faces.component.UIForm.processValidators(UIForm.java:253)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:508)
at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1589)
at javax.faces.component.UIForm.visitTree(UIForm.java:344)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:376)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:252)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1170)
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.localgp.NoCacheFilter.doFilter(NoCacheFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:785)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:649)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:483)
at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:454)
at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:350)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:300)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:213)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:171)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.__invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
at com.sun.grizzly.comet.CometEngine.executeServlet(CometEngine.java:444)
at com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:308)
at com.sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:87)
at com.sun.grizzly.arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:171)
at com.sun.grizzly.arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:143)
at com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:94)
at com.sun.grizzly.http.TaskBase.run(TaskBase.java:193)
at com.sun.grizzly.http.TaskBase.execute(TaskBase.java:175)
at com.sun.grizzly.arp.DefaultAsyncHandler.handle(DefaultAsyncHandler.java:145)
at com.sun.grizzly.arp.AsyncProtocolFilter.execute(AsyncProtocolFilter.java:204)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)
* * 3 тысяча сорок-девять 
at java.lang.Thread.dumpStack(Thread.java:1342)
at com.localgp.jsf.converter.DoctorConverter.getAsObject(DoctorConverter.java:34)
at com.localgp.jsf.converter.org$jboss$weld$bean-localgp-server-web-1$0-SNAPSHOT_war-ManagedBean-class_com$localgp$jsf$converter$DoctorConverter_$$_WeldClientProxy.getAsObject(org$jboss$weld$bean-localgp-server-web-1$0-SNAPSHOT_war-ManagedBean-class_com$localgp$jsf$converter$DoctorConverter_$$_WeldClientProxy.java)
at javax.faces.component.SelectUtils.doConversion(SelectUtils.java:191)
at javax.faces.component.SelectUtils.valueIsNoSelectionOption(SelectUtils.java:150)
at javax.faces.component.UISelectOne.validateValue(UISelectOne.java:159)
at javax.faces.component.UIInput.validate(UIInput.java:967)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1233)
at javax.faces.component.UIInput.processValidators(UIInput.java:698)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)
at javax.faces.component.UIForm.processValidators(UIForm.java:253)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:508)
at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1589)
at javax.faces.component.UIForm.visitTree(UIForm.java:344)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:376)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:252)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1170)
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at com.localgp.NoCacheFilter.doFilter(NoCacheFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:785)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:649)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:483)
at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:454)
at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:350)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:300)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:213)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:171)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.__invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
at com.sun.grizzly.comet.CometEngine.executeServlet(CometEngine.java:444)
at com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:308)
at com.sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:87)
at com.sun.grizzly.arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:171)
at com.sun.grizzly.arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:143)
at com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:94)
at com.sun.grizzly.http.TaskBase.run(TaskBase.java:193)
at com.sun.grizzly.http.TaskBase.execute(TaskBase.java:175)
at com.sun.grizzly.arp.DefaultAsyncHandler.handle(DefaultAsyncHandler.java:145)
at com.sun.grizzly.arp.AsyncProtocolFilter.execute(AsyncProtocolFilter.java:204)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)

А вот текущая форма на странице JSF: 

<h:form id="form">
    <!-- Validating here instead of at the selectOneMenu level due to its invalidity not being cleared. -->
    <div style="clear:both;">
        <h:panelGrid columns="2">
            <h:selectOneMenu id="doctor"
                             value="#{linkDoctorBean.doctor}"
                             converter="#{doctorConverter}"
                             converterMessage="Please select a doctor"
                             style="width:200px;"
                             required="true">
                <f:selectItem itemLabel="Select a doctor" itemValue="" noSelectionOption="true"/>
                <f:selectItems value="#{linkDoctorBean.doctors}" var="doctor" itemLabel="#{stringBean.doctorToString(doctor)}" itemValue="#{doctor}"/>
            </h:selectOneMenu>
            <p:message id="doctorMessage" for="doctor"/>
        </h:panelGrid>
    </div>
    <div style="margin-top:20px;">
        <h:commandButton value="Link" action="#{linkDoctorBean.submit()}">
            <f:ajax execute="@form" render="doctorMessage"/>
        </h:commandButton>
        <h:link value="Cancel" outcome="/pages/cpanel/manage-doctors" style="margin-left:10px;"/>
    </div>
</h:form>

Edit: Удалено <f:ajax/> и DoctorConverter.getAsObject все еще вызывается три раза.

Ответы [ 2 ]

6 голосов
/ 01 октября 2011

Ваш конвертер сломан.Он должен преобразовывать значение на основе аргумента value, а не UIInput#getSubmittedValue().Значение noSelectionOption также передается через преобразователь (как подсказывает 3-я трасса).Если ваше реальное переданное значение равно значению noSelectionOption, то это значение считается недействительным, поэтому возникает ошибка проверки.

Я также предлагаю другие незначительные изменения;пустые строки должны быть нулевыми. 

@Override
public String getAsString(FacesContext context, UIComponent component, Object modelValue) {
    if (modelValue == null) {
        return "";
    }

    if (modelValue instanceof Doctor) {
        Long id = ((Doctor) modelValue).getId();
        return (id != null) ? String.valueOf(id) : null;
    } else {
        throw new ConverterException(new FacesMessage(modelValue + " is not a valid Doctor"));
    }
}

@Override
public Object getAsObject(FacesContext context, UIComponent component, String submittedValue) {
    if (submittedValue == null || submittedValue.isEmpty()) {
        return null;
    }

    try {
        Long id = Long.valueOf(submittedValue);
        return doctorService.find(id);
    } catch (NumberFormatException e) {
        throw new ConverterException(new FacesMessage(submittedValue + " is not a valid Doctor ID"));
    }
}

Обратите внимание, что у меня есть это и в моем web.xml: 

<context-param>
    <param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
    <param-value>true</param-value>
</context-param>

Обновление : согласнокомментарии, благодаря <h:messages/> оказывается что-то еще, что требуется.Наконец, это оказывается <f:viewParam required="true">, который был повторно вызван при обратной передаче ajax.Чтобы предотвратить это, вместо этого используйте 

<f:viewParam ... required="#{not facesContext.postback}" />
0 голосов
/ 04 января 2013

следующее: 

converter="#{doctorConverter}"

должно быть записано как: 

converter="doctorConverter"
...