Jsf p:SelectOne功能表保持取消选择

我有一个bug，我有一个页面，3个

s和1个

它们按顺序工作，我选择第一个，它填充第二个，第二个填充第三个，第三个填充

。当我开始选择

中的值时（按住ctrl键），第三个

将取消选择。执行填充

的函数

有人见过这个吗

我在java方面有很多经验，但刚刚开始使用JSF和PrimeFaces

提前谢谢大家

<ui:composition xmlns="http://www.w3.org/1999/xhtml"
  xmlns:ui="http://java.sun.com/jsf/facelets"  
  xmlns:h="http://java.sun.com/jsf/html"  
  xmlns:f="http://java.sun.com/jsf/core"
  xmlns:p="http://primefaces.org/ui">
    <h:form id="formPatch">
    <table border="">
        <tr>
            <td height="180p" valign="top">
                <p:panel header="Configurar diretórios para extrair Objetos do Patch" style="width: 500px; height: 170px">                                              
                        <h:panelGrid columns="2">                                               
                            <p:outputLabel value="Arquivo: " styleClass="format_label"
                                             for="nomePatch" />
                            <p:inputText id="nomePatch" value="#{patchMB.patchBean.fileName}" styleClass="format_input" required="true"
                                requiredMessage="Favor preencher o campo nome do arquivo ex: confg.txt">                                                            

                            </p:inputText>                                          

                            <p:outputLabel value="Repositórios:" styleClass="format_label" for="dirRep" />

                            <p:selectOneMenu id="dirRep" value="#{patchMB.patchBean.directoryRepositorio}"
                                     style="width: 350px">                                                                                                                                                  
                                <p:message for="dirRep" />

                                <f:selectItem itemLabel="Selecione" itemValue="Selecione" />
                                <f:selectItems value="#{patchMB.directoryRepCli}" />                                                                    
                                <f:ajax event="change" listener="#{patchMB.carregaDirProdCli}" render="dirProdCli" />

                            </p:selectOneMenu>

                            <p:outputLabel value="Prod/Clientes: " for="dirProdCli" />

                            <p:selectOneMenu id="dirProdCli" value="#{patchMB.patchBean.directoryProdCli}"
                                     style="width: 350px">                                                                                                                                                  
                                <p:message for="dirGap" />

                                <f:selectItem itemLabel="Selecione" itemValue="Selecione" />
                                <f:selectItems value="#{patchMB.dirProdCli}" />

                                <f:ajax event="change" listener="#{patchMB.carregaDirObjetos}" render="dirObj" />                                                                                                                                                                                                                                   
                            </p:selectOneMenu>

                            <p:outputLabel value="Dir objetos: " for="dirObj" />

                            <p:selectOneMenu id="dirObj" value="#{patchMB.patchBean.directoryObjetos}"
                                     style="width: 350px">                                                                                                                                                  
                                <p:message for="dirObj" />

                                <f:selectItem itemLabel="Selecione" itemValue="Selecione" />
                                <f:selectItems value="#{patchMB.dirObjetos}" />                                             

                                <f:ajax event="change" listener="#{patchMB.carregarFiles}" render="pickListArq" />
                                <f:ajax event="change" listener="#{patchMB.carregarSelectMany}" render="objSelectMany" />                                                                   

                            </p:selectOneMenu>

                        </h:panelGrid>
                </p:panel>      
            </td>
            <td>
                <p:panel header="Escolha os arquivos para criação do patch" style="width: 500px">
                    <p:tab id="pickListTab" title="Transformadores">
                        <h:panelGrid columns="1">
                            <p:pickList id="pickListArq" value="#{patchMB.objetos}" var="pickListObj"
                                        itemLabel="#{pickListObj}" itemValue="#{pickListObj}">

                                        <f:facet name="sourceCaption">Selecione os objetos</f:facet>
                                        <f:facet name="targetCaption">Objetos do Patch</f:facet>                                                                                    
                            </p:pickList>                           
                        </h:panelGrid>
                    </p:tab>
                </p:panel>

            </td>               
        </tr>           
    </table>
    </h:form>                                                                                                                                                                                                                                                                                                   
</ui:composition>       

Selecione os objetos
布热托斯补片

您至少需要发布您的页面代码，以便任何人都能看到发生了什么。以下是SelectOne菜单的代码：