Boa noite pessoal do Guj!!!
Estou novamente pedindo ajuda dos Sr.(a)s
Estou usando o PrimeFaces para fazer Gráficos, mais estou tomando o seguinte erro abaixo.
Peço ajuda
Valeu
Estou usando JSF 1.2 com Facelets e primefaces-1.0.2.jar
java.lang.NullPointerException
at org.primefaces.component.chart.pie.PieChartRenderer.encodeLocalData(PieChartRenderer.java:96)
at org.primefaces.component.chart.pie.PieChartRenderer.encodeScript(PieChartRenderer.java:49)
at org.primefaces.component.chart.BaseChartRenderer.encodeEnd(BaseChartRenderer.java:54)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:137)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:571)
at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
public class SaleDisplayMBean implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private List<Sale> sales = new ArrayList<Sale>();
public SaleDisplayMBean(List<Sale> sales) {
super();
sales = new ArrayList<Sale>();
sales.add(new Sale("Brand 1", 540));
sales.add(new Sale("Brand 2", 325));
sales.add(new Sale("Brand 3", 702));
sales.add(new Sale("Brand 4", 421));
this.sales = sales;
}
public List<Sale> getSales() {
return sales;
}
}
JSF + Facelets
<!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:h="http://java.sun.com/jsf/html"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:rich="http://richfaces.org/rich"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:p="http://primefaces.prime.com.tr/ui">
<link href="/css/main.css" rel="stylesheet" type="text/css" />
<body>
This text above will not be displayed.
<ui:composition template="/template/template.xhtml">
This text will not be displayed.
This text will also not be displayed.
<ui:define name="body">
<h:form>
<rich:panel style="width:220px;">
<f:facet name="header">
<h:outputText value="Person Info"></h:outputText>
</f:facet>
<h:panelGrid columns="2">
<h:outputText value="Name: "/>
<rich:inplaceInput defaultLabel="click to enter your name"/>
<h:outputText value="Email:"/>
<rich:inplaceInput defaultLabel="click to enter your email"/>
</h:panelGrid>
<rich:calendar datePattern="dd/MM/yyyy" value="#{exemploMB.dt_entrada}"/>
<h:commandButton action="#{exemploMB.teste}" value="Teste MB" />
</rich:panel>
<p:pieChart rendered="true" value="#{chartBean.sales}" var="sale" categoryField="#{sale.brand}" dataField="#{sale.amount}" />
</h:form>
</ui:define>
This text will not be displayed.
<ui:define name="foot">
<h3>rodape</h3>
</ui:define>
</ui:composition>
This text below will also not be displayed.
</body>
</html>
Valeu Pessoal :) :D