imprimir o relatorio
Connection con = connection.ConnectionFactory.getConnection();
int confirma = JOptionPane.showConfirmDialog(null, "confirma a impressão do relatorio?","Atenção",JOptionPane.YES_NO_OPTION);
if(confirma == JOptionPane.YES_OPTION){
//String src = "C:/Usersivan/Desktop/OrdemServico/teste.jasper";
//InputStream srcStrem = getClass().getResourceAsStream(src);
JasperPrint jasperPrint = null;
try {
URL arquivo = getClass().getResource("C:/Usersivan/Desktop/OrdemServico/teste.jasper");
JasperReport jasperReport = (JasperReport) JRLoader.loadObject( arquivo );
jasperPrint = JasperFillManager.fillReport(jasperReport, null,con );
} catch (JRException err) {
JOptionPane.showConfirmDialog(rootPane,"erro ao gerar relatorio /n"+ err);
}
JasperViewer view = new JasperViewer(jasperPrint, false);
view.setVisible(true);
}
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:208)
at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:192)
at views.TelaOrdeServico.btnEmitirActionPerformed(TelaOrdeServico.java:645)
at views.TelaOrdeServico.access$100(TelaOrdeServico.java:48)
at views.TelaOrdeServico$3.actionPerformed(TelaOrdeServico.java:505)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Graphics(621-1) Enabling debug
a tela carrega e da este erro, tentei de outra forma ai o erro e diferente um pouco
Mostra esse método e destaque a linha 645