我是 JSF 初学者。我尝试在 Eclipse 4.2 (Juno) 中实现 ICEfaces 3.0 组件。我已经使用 Apache Tomcat 7.0 实现并运行它。它在窗口中显示以下错误:
不能两次添加相同的组件
在控制台栏中,它显示为:
javax.faces.FacesException: Cannot add the same component twice: v8z4ho2-retrieve-update
我的 JSF 代码
<?xml version='1.0' encoding='UTF-8' ?>
<!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:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:icecore="http://www.icefaces.org/icefaces/core"
xmlns:ace="http://www.icefaces.org/icefaces/components"
xmlns:ice="http://www.icesoft.com/icefaces/component" >
<h:head>
<title>Chart</title>
<link rel="stylesheet" type="text/css" href="./xmlhttp/css/rime/rime.css"/>
</h:head>
<h:body styleClass="ice-skin-rime">
<h:form id="canvasForm">
<ace:chart id="chart" animated="false" value="#{chartBean.barData}"
stackSeries="false" defaultAxesConfig="#{chartBean.barDemoDefaultAxis}"
xAxis="#{chartBean.barDemoXAxis}" yAxis="#{chartBean.barDemoYAxis}"
legend="true" legendPlacement="OUTSIDE_GRID" highlighter="true"
highlighterLocation="N" highlighterShowMarker="false"
highlighterBringSeriesToFront="true"
widgetVar="barChart" />
</h:form>
</h:body>
</html>
如何纠正这个错误?帮帮我。