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[英]<h:commandButton> doesn't start the action - NO IDEA?
[英]PrimeFaces commandButton doesn't call action if ajax enabled
這是我的頁面:
<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>
當我將<p:commandButton/>
linkDoctorBean.submit()
ajax="false"
添加到<p:commandButton/>
,它可以正常工作 - linkDoctorBean.submit()
方法。
但是,如果在當前視圖中表單從未通過驗證,則會調用操作方法,但如果表單未通過驗證一次並隨后提交,則會清除錯誤消息,但從不調用submit()
方法。
編輯:我也嘗試用這個替換p:commandButton
:
<h:commandButton value="Link" action="#{linkDoctorBean.submit()}">
<f:ajax execute="@all" render="doctorMessage"/>
</h:commandButton>
行為完全一樣。 在這兩種情況下,當提交有效選項時,驗證消息似乎被清除。 所以更新/渲染正在發生,而不是進程/執行。 所有后續嘗試都無法執行操作,因此表單實際上已經死亡,直到下次加載頁面為止。
編輯:這似乎不是PrimeFaces問題。 這是沒有PrimeFaces的表單:
<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>
現在有一些細微差別,例如required
和占位符選擇項的值為null
。 也許最好關注這個最新片段可能出現的問題,暫時忘掉PrimeFaces。
如果它有幫助,這是DoctorConverter
類:
@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;
}
編輯: ...這里有一些來自Doctor
實體類的方法:
@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;
}
編輯:正如評論中所討論的, DoctorConverter.getAsObject
被調用三次。 以下是按順序進行三次調用的堆棧跟蹤:
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$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)
3
at java.lang.Thread.dumpStack(Thread.java:1342)
at com.localgp.jsf.converter.DoctorConverter.getAsObject(DoctorConverter.java:34)
at com.localgp.jsf.converter.org$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)
這是JSF頁面中的當前表單:
<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>
編輯:已刪除<f:ajax/>
和DoctorConverter.getAsObject
仍被調用三次。
你的轉換器壞了。 它必須根據value
參數轉換值,而不是UIInput#getSubmittedValue()
。 noSelectionOption
值也即通過轉換器(作為第3個跟蹤提示)。 如果您的實際提交值等於noSelectionOption
值,則該值被視為無效,因此驗證錯誤。
我還建議其他小改寫; 空字符串應為空。
@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"));
}
}
請注意,我在我的web.xml
中也有這個:
<context-param>
<param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name>
<param-value>true</param-value>
</context-param>
更新 :根據評論,感謝<h:messages/>
,結果證明是其他需要的東西。 最后它結果是a <f:viewParam required="true">
,它已在ajax回發上重新調用。 為了防止這種情況,改為使用
<f:viewParam ... required="#{not facesContext.postback}" />
下列:
converter="#{doctorConverter}"
必須寫成:
converter="doctorConverter"
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