<?xml version="1.0" encoding="UTF-8" ?>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://richfaces.ajax4jsf.org/rich" prefix="rich"%>
<%@ taglib uri="https://ajax4jsf.dev.java.net/ajax" prefix="a4j" %>
<f:view>
<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Insert title here</title>
</head>
<body>
<h:outputText value="Exemplo de uso do Panelbar."/><br/>
<rich:panelBar>
<rich:panelBarItem label="Produto 1">
</rich:panelBarItem>
<rich:panelBarItem label="Produto 2">
</rich:panelBarItem>
<rich:panelBarItem label="Produto 3">
</rich:panelBarItem>
<rich:panelBarItem label="Produto 4">
</rich:panelBarItem>
</rich:panelBar>
</body>
</html>
</f:view>
esse codigo ta dando o erro java.lang.NullPointerException alguem poderia me ajudar pois naum tow encontrando a solução.
