init:
Deleting: D:\chamarRelatorio\build\built-jar.properties
deps-jar:
Updating property file: D:\chamarRelatorio\build\built-jar.properties
compile:
run:
21/05/2010 17:20:53 chamarrelatorio.ChamarRelatorioView jButton1ActionPerformed
SEVERE: null
java.lang.NullPointerException
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601)
at net.sf.jasperreports.engine.JasperFillManager.fillReportToFile(JasperFillManager.java:492)
at net.sf.jasperreports.engine.JasperFillManager.fillReportToFile(JasperFillManager.java:472)
at classes.relatorios.gerarTodos(relatorios.java:50)
at chamarrelatorio.ChamarRelatorioView.jButton1ActionPerformed(ChamarRelatorioView.java:214)
at chamarrelatorio.ChamarRelatorioView.access$800(ChamarRelatorioView.java:26)
at chamarrelatorio.ChamarRelatorioView$4.actionPerformed(ChamarRelatorioView.java:127)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2475)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
CONSTRUÍDO COM SUCESSO (tempo total: 20 segundos)
retorna esse erro acima.
minha classe e função para conectar é esta.
[code]package classes;
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.ResultSet;
import com.mysql.jdbc.Statement;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRResultSetDataSource;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
public class relatorios {
private static Connection getConnection() throws
ClassNotFoundException, SQLException {
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://localhost:3306/locadora";
String user = "root";
String password = "";
Class.forName(driver);
Connection con = (Connection) DriverManager.getConnection(url, user, password);
return con;
}
//Ok nao mecher mais
public void gerarTodos() throws JRException, Exception {
Connection con = getConnection();
Statement stm = (Statement) con.createStatement();
String query = "select * from cadastrofilmes";
ResultSet rs = (ResultSet) stm.executeQuery(query);
/* implementação da interface JRDataSource para DataSource ResultSet */
JRResultSetDataSource jrRS = new JRResultSetDataSource(rs);
/* HashMap de parametros utilizados no relatório. Sempre instanciados */
Map parametros = new HashMap();
String patch ="D:/chamarRelatorio/src/relatorios/relatorio.";
/* Preenche o relatório com os dados. Gera o arquivo BibliotecaPessoal.jrprint */
JasperFillManager.fillReportToFile("D://chamarRelatorio/src/relatorios/relatorio.jasper","D://chamarRelatorio/src/relatorios/relatorio.jrprint", parametros,jrRS);
/* Exporta para o formato PDF */
JasperExportManager.exportReportToPdfFile("D://chamarRelatorio/src/relatorios/relatorio.jrprint","D://chamarRelatorio/src/relatorios/relatorio.pdf");
/* Preenche o relatorio e o salva diretamente em arquivo PDF. Sema necessidade do .jrprint */
//JasperRunManager.runReportToPdfFile("D://chamarRelatorio/src/relatorios/relatorio.jasper","D://chamarRelatorio/src/relatorios/relatorio.pdf", parametros,jrRS);
/* Visualiza o relatório em formato PDF */
// JasperViewer.viewReport("C://Salao3000/src/relatorios/gerarTodosAlunos.jrprint",false, false);
}
}
[/code]
Antes funcionava fazendo isso, mas agora gera esse erro, e não consigo resolver de forma alguma.
HEELPPP
