Error in creating chart

[tejas.chougule]

While creating chart from java bean i am gettting error 

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Error

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net.sf.jasperreports.engine.JRException: Error retrieving field value from bean : subjectName

at net.sf.jasperreports.engine.data.JRAbstractBeanDataSource.getBeanProperty(JRAbstractBeanDataSource.java:123)

at net.sf.jasperreports.engine.data.JRAbstractBeanDataSource.getFieldValue(JRAbstractBeanDataSource.java:96)

at net.sf.jasperreports.engine.data.JRBeanCollectionDataSource.getFieldValue(JRBeanCollectionDataSource.java:100)

at net.sf.jasperreports.engine.fill.JRFillDataset.setOldValues(JRFillDataset.java:1330)

at net.sf.jasperreports.engine.fill.JRFillDataset.next(JRFillDataset.java:1231)

at net.sf.jasperreports.engine.fill.JRFillDataset.next(JRFillDataset.java:1207)

at net.sf.jasperreports.engine.fill.JRBaseFiller.next(JRBaseFiller.java:1544)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:142)

at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:909)

at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:841)

at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:88)

at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:653)

at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:569)

at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:915)

at ReportUtil.createReport(ReportUtil.java:33)

at ReportUtil.createReport(ReportUtil.java:51)

at Test.main(Test.java:18)

Caused by: java.lang.NoSuchMethodException: Unknown property 'subjectName'

at org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1122)

at org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:686)

at org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:715)

at org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:290)

at net.sf.jasperreports.engine.data.JRAbstractBeanDataSource.getBeanProperty(JRAbstractBeanDataSource.java:111)

... 16 more

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Java code

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public class JasperReportFill {

 

public static void main(String[] args) {

String sourceFileName = "D:/RetailApp/JasperFiles/spider.jasper";

 

DataBeanList DataBeanList = new DataBeanList();

ArrayList<DataBean> dataList = DataBeanList.getDataBeanList();

 

JRBeanCollectionDataSource beanColDataSource = new JRBeanCollectionDataSource(

dataList);

 

Map parameters = new HashMap();

 

try {

 

createReport(parameters, dataList);

JasperFillManager.fillReportToFile(sourceFileName, parameters,

beanColDataSource);

} catch (JRException e) {

e.printStackTrace();

}

}

 

public static void createReport(Map parameters, Collection data) {

String jasperFileName = "spider.jasper";

String pdfFileName = "Rep";

String jasperFullPath = "D:/RetailApp/JasperFiles/" + jasperFileName;

String pdfDir = "D:/RetailApp/PDF/";

 

File pdfPath = new File(pdfDir);

pdfPath.mkdirs();

 

File pdfFile = new File(pdfPath, pdfFileName);

String pdfFullPath = pdfFile.getAbsolutePath();

System.out.println(jasperFullPath);

try {

JRPdfExporter pdfExporter = new JRPdfExporter();

JasperPrint jasperPrint = null;

JRDataSource dataSource = new JRBeanCollectionDataSource(data);

jasperPrint = JasperFillManager.fillReport(jasperFullPath,

parameters, dataSource);

 

pdfExporter = new JRPdfExporter();

pdfExporter.setParameter(JRExporterParameter.JASPER_PRINT,

jasperPrint);

pdfExporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME,

pdfFullPath);

pdfExporter.exportReport();

 

} catch (Exception e) {

e.printStackTrace();

}

 

}

}

 

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DataBean class

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public class DataBeanList {

  public ArrayList getDataBeanList() {

     ArrayList dataBeanList = new ArrayList();

 

     dataBeanList.add(produce("English", 58));

     dataBeanList.add(produce("SocialStudies", 68));

     dataBeanList.add(produce("Maths", 38));

     dataBeanList.add(produce("Hindi", 88));

     dataBeanList.add(produce("Scince", 78));

     return dataBeanList;

  }

 

  /*

   * This method returns a DataBean object, with subjectName ,

   * and marks set in it.

   */

  private DataBean produce(String subjectName, Integer marks) {

     DataBean dataBean = new DataBean();

 

     dataBean.setSubjectName(subjectName);

     dataBean.setMarks(marks);

 

     return dataBean;

  }

}

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POJO

_________________________________________________________

public class DataBean {

  public String subjectName;

  public Integer marks;

 

  public String getSubjectName() {

     return subjectName;

  }

 

  public void setSubjectName(String subjectName) {

     this.subjectName = subjectName;

  }

 

  public Integer getMarks() {

     return marks;

  }

 

  public void setMarks(Integer marks) {

     this.marks = marks;

  }

 

}

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JRXML

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<?xml version="1.0" encoding="UTF-8"?>

<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="spider" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="1e6a951a-42b2-4a58-a471-bc6b0aa60e96">

<property name="ireport.zoom" value="1.0"/>

<property name="ireport.x" value="0"/>

<property name="ireport.y" value="0"/>

<field name="subjectName" class="java.lang.String"/>

<field name="marks" class="java.lang.Number"/>

<background>

<band splitType="Stretch"/>

</background>

<title>

<band height="79" splitType="Stretch"/>

</title>

<pageHeader>

<band height="35" splitType="Stretch"/>

</pageHeader>

<columnHeader>

<band height="61" splitType="Stretch"/>

</columnHeader>

<detail>

<band height="204" splitType="Stretch">

<barChart>

<chart>

<reportElement x="57" y="64" width="200" height="100" uuid="94df4b9b-1fb1-4360-9db9-9ab4a7d106fc"/>

<chartTitle/>

<chartSubtitle/>

<chartLegend/>

</chart>

<categoryDataset>

<categorySeries>

<seriesExpression><![CDATA[$F{subjectName}]]></seriesExpression>

<categoryExpression><![CDATA[$F{subjectName}]]></categoryExpression>

<valueExpression><![CDATA[$F{marks}]]></valueExpression>

</categorySeries>

</categoryDataset>

<barPlot>

<plot/>

<itemLabel/>

<categoryAxisFormat>

<axisFormat/>

</categoryAxisFormat>

<valueAxisFormat>

<axisFormat/>

</valueAxisFormat>

</barPlot>

</barChart>

</band>

</detail>

<columnFooter>

<band height="45" splitType="Stretch"/>

</columnFooter>

<pageFooter>

<band height="54" splitType="Stretch"/>

</pageFooter>

<summary>

<band height="42" splitType="Stretch"/>

</summary>

</jasperReport>