Erro Relatorio jrxml

Pessoal
Não consigo abrir um relatorio .jrxml
seguinte erro:
13/11/2006 20:35:26 org.apache.commons.digester.Digester endElement

SEVERE: Body event threw error

java.lang.IllegalAccessError: tried to access method org.apache.commons.beanutils.BeanUtils.setProperty(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)V from class org.apache.commons.digester.SetNestedPropertiesRule$AnyChildRule
at org.apache.commons.digester.SetNestedPropertiesRule$AnyChildRule.body(SetNestedPropertiesRule.java:438)
at org.apache.commons.digester.Rule.body(Rule.java:194)
at org.apache.commons.digester.Digester.endElement(Digester.java:1100)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1720)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:667)
at org.apache.crimson.parser.Parser2.parse(Parser2.java:337)
at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
at org.apache.commons.digester.Digester.parse(Digester.java:1647)
at net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:238)
at net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:225)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:213)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:167)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:151)
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:142)
at RelatProf.geraRelatorio(RelatProf.java:49)
at RelatProf.main(RelatProf.java:56)
at __SHELL28.run(__SHELL28.java:6)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at bluej.runtime.ExecServer$3.run(ExecServer.java:858)
java.lang.IllegalAccessError: tried to access method org.apache.commons.beanutils.BeanUtils.setProperty(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)V from class org.apache.commons.digester.SetNestedPropertiesRule$AnyChildRule
at org.apache.commons.digester.SetNestedPropertiesRule$AnyChildRule.body(SetNestedPropertiesRule.java:438)
at org.apache.commons.digester.Rule.body(Rule.java:194)
at org.apache.commons.digester.Digester.endElement(Digester.java:1100)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1720)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.content(Parser2.java:1963)
at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1691)
at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:667)
at org.apache.crimson.parser.Parser2.parse(Parser2.java:337)
at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
at org.apache.commons.digester.Digester.parse(Digester.java:1647)
at net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:238)
at net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:225)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:213)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:167)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:151)
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:142)
at RelatProf.geraRelatorio(RelatProf.java:49)
at RelatProf.main(RelatProf.java:56)

Esta e a classe q uso

import java.sql.*;
import java.util.*;
import net.sf.jasperreports.engine.*;
import net.sf.jasperreports.view.JasperViewer;
import net.sf.jasperreports.engine.util.JRLoader;
import org.apache.commons.digester.Digester;


public class RelatProf
{

/* Realiza conexão com o banco de dados, gerando o objeto Connection */
private static Connection getConnection( ) throws

ClassNotFoundException, SQLException
{
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://localhost/*****";
String user = "****";
String password = "****";
String arquivo = "todosMedicos.jrxml";
Class.forName(driver);
Connection con = DriverManager.getConnection( url, user, password );
return con;
}


/* Gera Relatorio e visualiza-o */
public void geraRelatorio( ) throws JRException, Exception
{
Connection con = getConnection( );
Statement stm = con.createStatement( );
String query = "select * from Medico";
ResultSet rs = stm.executeQuery( query );

/* implementação da interface JRDataSource para DataSource ResultSet */
JRResultSetDataSource jrRS = new JRResultSetDataSource( rs );

/* HashMap de parametros utilizados no relatório. Sempre instanciados */
Map parameters = new HashMap();





JasperReport jr;
JasperPrint jprint;
jr = JasperCompileManager.compileReport("todosMedicos.jrxml");
jprint = JasperManager.fillReport(jr, parameters, jrRS);
JasperViewer.viewReport(jprint);
}

public static void main(String[] args) throws JRException, Exception
{
new RelatProf().geraRelatorio();
}
}

PRECISO DE AJUDA

estranho o erro a unica coisa q esta diferente da maneira q eu uso é…
ve se entende… agora certifique tbm se seus atrinutos esta com os tipos correto tanto nos fields qto nos que estao no formulario entendeu ?
integer = integer etc…

byte[] bytes = null;
try {
// carrega os arquivos jasper
File reportFile = null;
reportFile = new File(servletContext.getRealPath("/report/" + arquivoJasper));
JasperReport relatorioJasper = (JasperReport)JRLoader.loadObject(reportFile.getPath());
File reportSubFile = null;
// Caso tenha subReport
if(arquivoSubJasper != null && arquivoSubJasper != “”){
reportSubFile = new File(servletContext.getRealPath("/report/" + arquivoSubJasper));
}
// parâmetros, se houverem

        if(arquivoSubJasper != null && arquivoSubJasper != ""){
        	parametros.put("subRel",jrDSSub);
        	parametros.put("subFile",reportSubFile);
        }
       
        bytes = JasperRunManager.runReportToPdf(relatorioJasper,parametros,jrRs);
        
    } catch (JRException e) {

// e.toString()
e.printStackTrace();
}
if (bytes != null && bytes.length > 0) {
// envia o relatório em formato PDF para o browser
response.setContentType(“application/pdf”);
response.setContentLength(bytes.length);
ServletOutputStream ouputStream = response.getOutputStream();
ouputStream.write(bytes, 0, bytes.length);
ouputStream.flush();
ouputStream.close();
}

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