Ajuda com JasperReport?

import java.awt.event.<em>;

import javax.swing.</em>;

import java.lang.<em>;

import java.net.URL;

import java.sql.</em>;

import <a href="http://java.io">java.io</a>.<em>;

import java.util.</em>;

import negocio.*;

public class RelTurma {

private static Statement stmt;

private BDConexao bd;

private String consulta;

private ResultSet resultado;

// Dados de Controle
private boolean dadosOk;
private int status;

 private void inicializarConexaoBD()  {
   try {    
        bd = new BDConexao();
        stmt = bd.getStatement();
        return;
   }
   catch (Exception e) {
        e.printStackTrace();
        return;     
   }
}

private void finalizarConexaoBD() {
    bd.finalizarConexaoBD();
}


public RelTurma() {
    inicializarConexaoBD(); 
    geraRelatorio();
}

public void geraRelatorio() {

try{

inicializarConexaoBD();

String query = “SELECT * FROM tbturma”;

ResultSet rs = stmt.executeQuery( query );

JRResultSetDataSource jrRS = new JRResultSetDataSource( rs );

Map parameters = new HashMap(); 
      
      JasperFillManager.fillReportToFile( "RelTurma.jasper", parameters, jrRS );
      JasperExportManager.exportReportToPdfFile( "RelTurma.jrprint" ); 
      // JasperRunManager.runReportToPdfFile("RelTurma.jasper", parameters, jrRS);
      // Visualiza o relatório em formato PDF */ 
      JasperViewer.viewReport( "RelTurma.pdf", false );  
      
   }  catch (Exception sqlex) {
      sqlex.printStackTrace();
                                 }

public static void main(String[] args) {

new RelTurma().geraRelatorio();

}

java.io.FileNotFoundException: RelTurma.jasper

at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:117)

at net.sf.jasperreports.engine.JasperFillManager.fillReportToFile(JasperFillManager.java:237)

at relatorios.RelTurma.geraRelatorio(RelTurma.java:64)

at relatorios.RelTurma.<init>(RelTurma.java:52)

at relatorios.RelTurma.main(RelTurma.java:76)