to usando o iReport 0.4.0 e ta compilando e executando beleza e gerando os .jasper e pdf
Ae vou lá executar a minha classe e da esse erro:
Java.lang.NullPointerException
at relatorios.RelTurma.geraRelatorio(RelTurma.java:76)
at relatorios.RelTurma.main(RelTurma.java:97)
os erros estão :
-
String jrprint =this.getClass().getResource(“RelTurma.jrprint”).getFile(); -
new RelTurma().geraRelatorio();
import java.awt.event.*;
import javax.swing.*;
import java.lang.*;
import java.net.URL;
import java.sql.*;
import java.io.*;
import java.util.*;
import negocio.*;
import org.xml.sax.*;
import org.*;
import net.sf.jasperreports.engine.*;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.engine.JasperFillManager.*;
import net.sf.jasperreports.view.*;
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();
String jasper = this.getClass().getResource("RelTurma.jasper").getFile();
JasperFillManager.fillReportToFile(jasper, parameters, jrRS );
String jrprint = this.getClass().getResource("RelTurma.jrprint").getFile();
JasperExportManager.exportReportToPdfFile( jrprint );
//JasperRunManager.runReportToPdfFile("RelTurma.jasper", parameters, jrRS);
// Visualiza o relatório em formato PDF
String pdf = this.getClass().getResource("RelTurma.pdf").getFile();
JasperViewer.viewReport( pdf, false );
} catch (Exception sqlex) {
sqlex.printStackTrace();
}
}
public static void main(String[] args) {
new RelTurma().geraRelatorio();
}
}
Rodrigo Reis