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我的数据表没有显示排除消息。我将消息的 ID 放在数据表内命令按钮的更新方法上，但我收到 Cannot find component with identifier "messages" referenced from "j_idt31:

自动完成功能不起作用。错误发生在转换器的名称中。我把名字以大写和小写开头，但不起作用。我收到 Jul 29, 2013 4:11:19 PM com.sun.faces.application.ApplicationImpl createConverter SEVERE: JSF1006: Não pode criar instância para o conversor de tipo pacienteConverter

<ui:define name="conteudo">
    <h:form>
        <p:panelGrid columns="2" id="painel"
            style="width: 100%; margin-top: 20px" columnClasses="rotulo, campo">
            <p:outputLabel value="Nome do paciente" for="nPaciente" />

            <p:autoComplete value="#{cadastroPacienteBean.pacienteSelecionado}" id="nPaciente"
                completeMethod="#{cadastroPacienteBean.pacientes}" var="p"
                itemLabel="#{p.name}" itemValue="#{p}" converter="pacienteConverter"
                forceSelection="true">
                <f:facet name="itemtip">
                    <h:panelGrid columns="2" cellpadding="5">                           
                        <h:outputText value="Nome do Paciente: " />
                        <h:outputText  value="#{p.nomePaciente}" />
                    </h:panelGrid>
                </f:facet>
            </p:autoComplete>
        </p:panelGrid>

        <p:messages id="messages" showDetail="false" showSummary="true" />


        <p:dataTable id="dataTable" var="paciente"
            value="#{consultaPacienteBean.pacientes}" paginator="true" rows="10"
            paginatorTemplate="{CurrentPageReport}  {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
            rowsPerPageTemplate="5,10,15">


            <p:column sortBy="#{paciente.nomePaciente}"
                headerText="nome do Paciente">

                <h:outputText value="#{paciente.nomePaciente}" />
            </p:column>




            <p:column style="width: 100px; text-align: center">
                <p:button icon="ui-icon-pencil" outcome="CadastroPaciente"
                    title="Editar">
                    <f:param name="codigo" value="#{paciente.codigo}" />
                </p:button>

                <p:commandButton action="#{consultaPacienteBean.excluir}"
                    icon="ui-icon-trash" title="Excluir" update="dataTable,messages"
                    ajax="true">
                    <f:setPropertyActionListener
                        target="#{consultaPacienteBean.pacienteSelecionado}"
                        value="#{paciente}" />

                </p:commandButton>
            </p:column>
        </p:dataTable>


    </h:form>


</ui:define>

我的班级转换器：

@FacesConverter(forClass=Paciente.class)
public class PacienteConverter implements Converter {

}
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