【问题标题】:javax.servlet.ServletException: <p:ajax> Event:rowEdit is not supportedjavax.servlet.ServletException:<p:ajax> 事件:不支持行编辑
【发布时间】:2013-04-24 13:19:44
【问题描述】:

我在尝试使用 PrimeFaces 使每一行都可编辑时收到一条错误消息。我在网上查了很多人都在使用这个。但是,当我尝试创建一个包含可以编辑每一行的报告的页面时。我收到 Event:rowEdit 不支持的错误。有人可以指出我的错误或我需要在我的 XHTML 文件中包含的内容。或者,如果我做的事情完全正确。 这张表有很多数据,这就是我采用这种方法的原因

以下是有关我的设置的其他信息:

  1. Glassfish v3
  2. JPA2.1
  3. PrimeFaces3.5(我将 jar 包含在我的项目的构建路径中,因为其他报告页面正在确认 primefaces 是否正常工作)
  4. EJB 3.1

这是我的 XHTML 代码

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!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:f="http://java.sun.com/jsf/core"
    xmlns:p="http://primefaces.org/ui">

<f:metadata>
    <f:viewParam name="userId" value="#{loginBean.username}"></f:viewParam>
</f:metadata>
<h:head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
    <link href="./css/PageLayout.css" rel="stylesheet" type="text/css" />

    <title>Edit Lord of Data Entries</title>
</h:head>
<h:body>

    <div style="background-color: #205a8c; width: auto; height: 60px">
        <h3>Edit Lord Of Data</h3>
    </div>
    <div id="breadcrumb" align="left">
        <h:form>
            <p:breadCrumb>
                <p:menuitem value="Home" url="home.jsf"></p:menuitem>
                <p:menuitem value="Home" url="home.jsf"></p:menuitem>
                <p:menuitem value="Users" url="reportUsers.jsf"></p:menuitem>
                <p:menuitem value="Groups" url="reportGroups.jsf"></p:menuitem>
                <p:menuitem value="User's Group" url="reportUserGroup.jsf"></p:menuitem>
            </p:breadCrumb>
        </h:form>
    </div>
    <h:form id="form">
        <p:growl id="messages" showDetail="true"></p:growl>
        <p:dataTable var="myReport"  
            value="#{lordOfDataAdminManagedBean.lodAdmin_list}" id="lodlist"
            editable="true" paginator="true"
            rows="500"
                paginatorTemplate="{CurrentPageReport}  {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
                rowsPerPageTemplate="500,1000,5000">

            <f:facet name="header"> Lord Of Data Report</f:facet>

            <p:ajax event="rowEdit"
                listener="#{lordOfDataAdminManagedBean.onEditListener}"></p:ajax>
            <p:ajax event="rowEditCancel"
                listener="#{lordOfDataAdminManagedBean.onCancel}"></p:ajax>

            <p:column>
                <p:rowEditor></p:rowEditor>
            </p:column>
            <p:column headerText="Row Id">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.rowId}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.rowId}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Group Id">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.security}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.security}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>


            <p:column headerText="Type">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.type}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.type}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Auto">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.auto}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.auto}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Access">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.access}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.access}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Comment">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.comment}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.comment}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD1 Domain">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD1Domain}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD1Domain}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD1 User">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD1User}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD1User}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD1 Mail">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD1Mail}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD1Mail}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD1 Display Name">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD1DisplayName}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD1DisplayName}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD1 Cost Center">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD1CostCenter}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD1CostCenter}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD2 User">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD2User}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD2User}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>


            <p:column headerText="LOD2 Mail">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD2Mail}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD2Mail}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD2 Display Name">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD2DisplayName}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD2DisplayName}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD2 Cost Center">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD2CostCenter}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD2CostCenter}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Domain1">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.domain1}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.domain1}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="RechteGruppe Read">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.rechteGruppeRead}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.rechteGruppeRead}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="AuthentifizierteBenutzer">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.authentifizierteBenutzer}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.authentifizierteBenutzer}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="LOD2 Domain">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.LOD2Domain}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.LOD2Domain}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Email Send Status">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.emailSendStatus}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.emailSendStatus}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Email Feedback">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.emailFeedback}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.emailFeedback}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Comment1">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.comment1}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.comment1}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Comment2">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.comment2}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.comment2}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Comment 3">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.comment3}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.comment3}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>

            <p:column headerText="Username">
                <p:cellEditor>
                    <f:facet name="output">
                        <h:outputText value="#{myReport.username}"></h:outputText>
                    </f:facet>
                    <f:facet name="input">
                        <p:inputText value="#{myReport.username}"></p:inputText>
                    </f:facet>
                </p:cellEditor>
            </p:column>


        </p:dataTable>
    </h:form>

</h:body>

</html>

用于处理编辑功能的托管 Bean 代码 sn-p

public void onEditListener(RowEditEvent event) {

        FacesMessage msg = new FacesMessage("Edited");

        try {
            Lodreport mydata = (Lodreport) event.getObject();
            if (mydata == null) {
                System.out.println("No data input found");
            } else {
                lODBR.updateReport(mydata);
                FacesContext.getCurrentInstance().addMessage(null, msg);
            }
        } catch (Exception e) {

        }
    }

     public void onCancel(RowEditEvent event) {  
         FacesMessage msg = new FacesMessage("Cancelled");
         FacesContext.getCurrentInstance().addMessage(null, msg);
     }

错误堆栈跟踪

WARNING: StandardWrapperValve[Faces Servlet]: PWC1406: Servlet.service() for servlet Faces Servlet threw exception
javax.faces.view.facelets.TagException: /editNewLODAdmin.xhtml @44,7 <p:ajax> Event:rowEdit is not supported.
    at org.primefaces.component.behavior.ajax.AjaxBehaviorHandler.applyAttachedObject(AjaxBehaviorHandler.java:149)
    at org.primefaces.component.behavior.ajax.AjaxBehaviorHandler.apply(AjaxBehaviorHandler.java:127)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137)
    at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:184)
    at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137)
    at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:184)
    at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:120)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
    at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
    at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:86)
    at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:152)
    at com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:774)
    at com.sun.faces.application.view.StateManagementStrategyImpl.restoreView(StateManagementStrategyImpl.java:223)
    at com.sun.faces.application.StateManagerImpl.restoreView(StateManagerImpl.java:188)
    at com.sun.faces.application.view.ViewHandlingStrategy.restoreView(ViewHandlingStrategy.java:123)
    at com.sun.faces.application.view.FaceletViewHandlingStrategy.restoreView(FaceletViewHandlingStrategy.java:453)
    at com.sun.faces.application.view.MultiViewHandler.restoreView(MultiViewHandler.java:148)
    at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:192)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
    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:1550)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
    at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
    at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
    at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
    at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
    at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
    at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
    at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
    at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
    at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
    at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
    at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
    at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
    at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
    at java.lang.Thread.run(Thread.java:722)

【问题讨论】:

    标签: jsf jsf-2 primefaces xhtml


    【解决方案1】:

    它不起作用,因为

    1. 从技术上讲,您没有为表格添加行编辑支持,您正在编辑一个单元格。将&lt;p:rowEditor/&gt; 添加到您的表中以挂钩rowEdit 事件

    2. 您的桌子,它不是真正的桌子。 &lt;p:dataTable/&gt; 标签实际上并没有包装 &lt;p:column/&gt; 或其他任何东西

    你应该拥有的:

        <p:dataTable var="myReport" value="#{lordOfDataAdminManagedBean.lodAdmin_list}" id="lodlist" editable="true">
    
                <f:facet name="header"> Lord Of Data Report</f:facet>
    
                <p:ajax event="rowEdit"
                    listener="#{lordOfDataAdminManagedBean.onEditListener}"
                    ></p:ajax>
                <p:ajax event="rowEditCancel"
                    listener="#{lordOfDataAdminManagedBean.onCancel}"
                    ></p:ajax>
    
                <p:column headerText="Row Id">
                    <p:cellEditor>
                        <f:facet name="output">
                            <h:outputText value="#{myReport.rowId}"></h:outputText>
                        </f:facet>
                        <f:facet name="input">
                            <p:inputText value="#{myReport.rowId}"></p:inputText>
                        </f:facet>
                    </p:cellEditor>
                </p:column>
                <p:column>
                    <p:rowEditor />
                </p:column>
         </p:dataTable>
    

    【讨论】:

    • 非常感谢!但不知何故,编辑按钮没有编辑我要编辑的行。我收到错误消息以了解什么功能不正常。你认为我的问题中的控制器是正确的吗?抱歉,我对 PrimeFaces 很陌生,所以不确定发生了什么
    • @sushantpandey 你得到什么错误信息?单击编辑图标时,该行是否可编辑?
    • 是的,它确实可以编辑。但是,当我在编辑行数据后单击保存按钮时,会返回旧数据并且编辑的数据会丢失。我检查了控制台没有错误消息。
    • 我想知道我的事件侦听器是否正确编写,或者我是否从该方法中遗漏了什么。
    • 在 ajax 事件完成 @sushantpandey 后,您没有更新(&lt;p:ajax.&gt; 上的 update 属性)表
    【解决方案2】:

    我明白了:

    <p:dataTable var="myReport"
                        value="#{lordOfDataAdminManagedBean.lodAdmin_list}" id="lodlist"
                        editable="true"></p:dataTable>
    
                    <f:facet name="header"> Lord Of Data Report</f:facet>
    
                    <p:ajax event="rowEdit"
                        listener="#{lordOfDataAdminManagedBean.onEditListener}"
                        ></p:ajax>
                    <p:ajax event="rowEditCancel"
                        listener="#{lordOfDataAdminManagedBean.onCancel}"
                        ></p:ajax>
    
                    <p:column headerText="Row Id">
                        <p:cellEditor>
                            <f:facet name="output">
                                <h:outputText value="#{myReport.rowId}"></h:outputText>
                            </f:facet>
                            <f:facet name="input">
                                <p:inputText value="#{myReport.rowId}"></p:inputText>
                            </f:facet>
                        </p:cellEditor>
                    </p:column>
    

    你必须尝试:

        <p:dataTable var="myReport"
                            value="#{lordOfDataAdminManagedBean.lodAdmin_list}" id="lodlist"
                            editable="true">
    
                        <f:facet name="header"> Lord Of Data Report</f:facet>
    
                        <p:ajax event="rowEdit"
                            listener="#{lordOfDataAdminManagedBean.onEditListener}"
                            ></p:ajax>
                        <p:ajax event="rowEditCancel"
                            listener="#{lordOfDataAdminManagedBean.onCancel}"
                            ></p:ajax>
    
                        <p:column headerText="Row Id">
                            <p:cellEditor>
                                <f:facet name="output">
                                    <h:outputText value="#{myReport.rowId}"></h:outputText>
                                </f:facet>
                                <f:facet name="input">
                                    <p:inputText value="#{myReport.rowId}"></p:inputText>
                                </f:facet>
                            </p:cellEditor>
                        </p:column>
    </p:dataTable>
    

    【讨论】:

    • 请尽量用清晰的语言解释问题和解决方案,而不是把它变成一个“找不同”的游戏,这几乎是让“这个答案没用”的投反对票的触发器。跨度>
    • 感谢@BalusC,由于我的英语水平有限,所以有时我可以提出我的建议,如果其他人想了解更多,我可以一步一步来:)
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