尝试使用o：validateOrder验证rich：calendar组件时遇到问题。
代码：
<!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:h="http://java.sun.com/jsf/html"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:rich="http://richfaces.org/rich"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:c="http://java.sun.com/jsp/jstl/core"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:tablas="http://java.sun.com/jsf/composite/tablas"
xmlns:o="http://omnifaces.org/ui"
xmlns:of="http://omnifaces.org/functions"
xmlns:templates="http://java.sun.com/jsf/composite/templates"
>
<body>
<f:metadata>
<f:event type="preRenderView" listener="#{baseController.iniciarConversacion()}" />
</f:metadata>
<ui:composition template="/templates/TemplateABM.xhtml">
<ui:define name="title">
#{msgs['facturacion.abm.generacion.factura.individual.pagina.titulo']}
</ui:define>
<ui:define name="top">
<h1>#{msgs['facturacion.abm.generacion.factura.individual.titulo']}</h1>
</ui:define>
<ui:define name="content">
<h:form id="formFacturaIndividual">
<h:panelGroup id="panelFechas">
<h:inputHidden id="fechaInicioFactura" value="#{facturaController.fechaInicioFactura}">
<f:convertDateTime type="date" pattern="dd/MM/yy"/>
</h:inputHidden>
<h:inputHidden id="fechaFinFactura" value="#{facturaController.fechaFinFactura}">
<f:convertDateTime type="date" pattern="dd/MM/yy"/>
</h:inputHidden>
<h:inputHidden id="fechaEmisionComprobanteUltima" value="#{comprobanteController.fechaEmisionComprobanteUltima}">
<f:convertDateTime type="date" pattern="dd/MM/yy"/>
</h:inputHidden>
</h:panelGroup>
<o:validateOrder id="validacionFechaFacturaMenorAFechaInicioFactura" type="gte" components="fechaFactura fechaInicioFactura"
message="#{msgs['comun.abm.fecha.factura.menor.limite.dia']}" showMessageFor="fechaFactura" />
<o:validateOrder id="validacionFechaFacturaMayorAFechaFinFactura" type="lte" components="fechaFactura fechaFinFactura"
message="#{msgs['comun.abm.fecha.factura.menor.limite.dia']}" showMessageFor="fechaFactura" />
<o:validateOrder id="validacionFechaFacturaMayorAFechaEmisionUltimoComprobante" type="gte" components="fechaFactura fechaEmisionComprobanteUltima"
message="#{of:format1(msgs['comun.abm.fecha.factura.menor.ultimo.comprobante'], comprobanteController.fechaEmisionComprobanteUltima)}" showMessageFor="fechaFactura" />
<o:massAttribute name="disabled" value="#{tipoComprobanteController.entidad == null}">
<rich:panel id="panelDatosFactura" header="#{msgs['facturacion.abm.generacion.padron.panel.datos.factura']}">
<h:panelGrid id="DatosFactura" columns="3">
<h:outputLabel value="#{msgs['facturacion.abm.generacion.padron.fecha.factura']}" for="fechaFactura"/>
<rich:calendar
id="fechaFactura"
datePattern="dd/MM/yyyy"
showWeeksBar="false"
enableManualInput="true"
value="#{generacionFacturacionIndividualController.facturaBean.fechaFactura}"
required="true"
requiredMessage="La Fecha de la Factura es Obligatoria" >
<a4j:ajax event="change" execute="@form" />
</rich:calendar>
<h:panelGroup>
<rich:message for="fechaFactura"/>
</h:panelGroup>
</h:panelGrid>
</rich:panel>
</o:massAttribute>
</h:form>
</ui:define>
</ui:composition>
</body>
</html>
例外：
java.lang.IllegalArgumentException: All values must implement java.lang.Comparable.
at org.omnifaces.component.validator.ValidateOrder.validateValues(ValidateOrder.java:142)
at org.omnifaces.component.validator.ValidateMultipleFields.validateComponents(ValidateMultipleFields.java:213)
at org.omnifaces.component.validator.ValidatorFamily.processValidators(ValidatorFamily.java:63)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1216)
at javax.faces.component.UIForm.processValidators(UIForm.java:253)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:536)
at org.richfaces.context.MetaComponentProcessingVisitCallback.visit(MetaComponentProcessingVisitCallback.java:73)
at org.richfaces.context.BaseExtendedVisitContext.invokeVisitCallback(BaseExtendedVisitContext.java:103)
at org.richfaces.context.ExtendedExecuteVisitContext.invokeVisitCallback(ExtendedExecuteVisitContext.java:55)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1652)
at javax.faces.component.UIForm.visitTree(UIForm.java:371)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1663)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1663)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:383)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:257)
at org.richfaces.context.ExtendedPartialViewContext.processPartial(ExtendedPartialViewContext.java:263)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1162)
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.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at ar.com.filter.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:35)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassCastException: java.util.Date cannot be cast to java.lang.String
at java.lang.String.compareTo(String.java:108)
at java.util.Collections$ReverseComparator.compare(Collections.java:3578)
at java.util.Collections$ReverseComparator.compare(Collections.java:3569)
at java.util.TimSort.countRunAndMakeAscending(TimSort.java:324)
at java.util.TimSort.sort(TimSort.java:189)
at java.util.TimSort.sort(TimSort.java:173)
at java.util.Arrays.sort(Arrays.java:659)
at java.util.Collections.sort(Collections.java:217)
at org.omnifaces.component.validator.ValidateOrder$Type$4.invoke(ValidateOrder.java:99)
at org.omnifaces.component.validator.ValidateOrder$Type$4.invoke(ValidateOrder.java:95)
at org.omnifaces.component.validator.ValidateOrder$Type.validateOrder(ValidateOrder.java:111)
at org.omnifaces.component.validator.ValidateOrder.validateValues(ValidateOrder.java:139)
... 44 more
我对代码进行了调试，问题是富：日历组件发送字符串而不是日期类型，这不会发生在其他页面我不知道是omnifaces问题还是richfaces。有什么想法吗？
答案 0 :(得分：1)
<o:validateXxx>组件对其相对于目标输入组件的位置敏感。这对于根据组件自己的转换器和验证器确定验证的优先级非常有用。
当放置之前目标输入组件时，它们将验证原始未提交的值，并且它们将在之前运行任何组件自己的验证器。
当放置目标输入组件后，它们将验证转换后的值（如果涉及任何转换器），并且任何组件自己的验证器后运行
在您的特定情况下，您将<o:validateOrder> 放在这些组件之间。这不是推荐的方法。您最终会从验证程序上方的组件中获取List个Date实例，并从验证程序下方的组件中获取String个实例。
另见the ValidateMultipleFields javadoc（强调我的）：
此验证程序可以放在表单中的任何位置，但请记住，组件将按照表单中显示的顺序进行验证。因此，如果此验证器已放置在所有组件之前，则它将在任何组件自己的验证器之前执行。如果此验证器失败，则不会触发组件自己的验证器。如果此验证器放置在所有组件之后，则它将在组件自身的任何验证器之后执行。如果其中任何一个失败，则不会执行此验证器。 建议不要将此验证器放在引用组件之间的某处，因为结果行为可能会造成混淆。将此验证器放在所有组件之前或之后，具体取决于您希望如何优先排序验证