[ERROR AL EJECUTAR]
Publicado por Alejandra (17 intervenciones) el 06/11/2019 00:22:03
Buenas noches:
Me pasaron un programa hecho en Java, y al querer ejecutarlo en NETBEANS me sale error - no estoy pudiendo resolver - espero puedan ayudarme...
Este es el formulario de acceso al sistema:
El error que me muestra está en la línea 173... la variable stm conecta los objetos de la base de datos...
Me pasaron un programa hecho en Java, y al querer ejecutarlo en NETBEANS me sale error - no estoy pudiendo resolver - espero puedan ayudarme...
Este es el formulario de acceso al sistema:
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package Formularios;
import java.sql.*;
import Base.ConectaBD;import java.awt.Color;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;
public class FrmAcceso extends javax.swing.JFrame {
ConectaBD cnx = new ConectaBD();
int contador;
public void icono() {
Image icon = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/Imagenes/031-usuario.png"));
setIconImage(icon);
setVisible(true);
}public FrmAcceso() {
initComponents();
this.setLocationRelativeTo(this);
this.setResizable(false);
this.getContentPane().setBackground(Color.white);
}@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
btncancelar = new javax.swing.JButton();
jLabel5 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
lblclave = new javax.swing.JLabel();
lblusuario = new javax.swing.JLabel();
psswdclave = new javax.swing.JPasswordField();
jTxtUsuario = new javax.swing.JTextField();
btningresar = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowOpened(java.awt.event.WindowEvent evt) {
formWindowOpened(evt);
}});
btncancelar.setBackground(new java.awt.Color(0, 204, 255));
btncancelar.setFont(new java.awt.Font("Comic Sans MS", 1, 18)); // NOI18N
btncancelar.setForeground(new java.awt.Color(0, 0, 204));
btncancelar.setText("CANCELAR");
btncancelar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btncancelarActionPerformed(evt);
}});
jLabel5.setBackground(new java.awt.Color(0, 0, 255));
jLabel5.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
jLabel5.setIcon(new javax.swing.ImageIcon(getClass().getResource("/Imagenes/images.png"))); // NOI18N
jLabel5.setOpaque(true);
jLabel2.setFont(new java.awt.Font("Comic Sans MS", 1, 24)); // NOI18N
jLabel2.setForeground(new java.awt.Color(51, 51, 0));
jLabel2.setText("RESTAURANTE JHERSI'S");
lblclave.setFont(new java.awt.Font("Comic Sans MS", 1, 16)); // NOI18N
lblclave.setText("CONTRASEÑA:");
lblusuario.setFont(new java.awt.Font("Comic Sans MS", 1, 16)); // NOI18N
lblusuario.setText("USUARIO:");
psswdclave.setFont(new java.awt.Font("Comic Sans MS", 1, 14)); // NOI18N
psswdclave.setDisabledTextColor(new java.awt.Color(0, 0, 0));
psswdclave.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
psswdclaveActionPerformed(evt);
}});
jTxtUsuario.setFont(new java.awt.Font("Comic Sans MS", 0, 14)); // NOI18N
jTxtUsuario.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
jTxtUsuarioKeyPressed(evt);
}});
btningresar.setBackground(new java.awt.Color(0, 204, 255));
btningresar.setFont(new java.awt.Font("Comic Sans MS", 1, 18)); // NOI18N
btningresar.setForeground(new java.awt.Color(0, 0, 204));
btningresar.setText("INGRESAR");
btningresar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btningresarActionPerformed(evt);
}});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(2, 2, 2)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(lblusuario, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(60, 60, 60)
.addComponent(jTxtUsuario, javax.swing.GroupLayout.PREFERRED_SIZE, 160, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(lblclave, javax.swing.GroupLayout.PREFERRED_SIZE, 130, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(20, 20, 20)
.addComponent(psswdclave, javax.swing.GroupLayout.PREFERRED_SIZE, 160, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(btningresar)
.addGap(51, 51, 51)
.addComponent(btncancelar))))
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 320, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 230, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(44, 44, 44))
);layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(lblusuario, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jTxtUsuario, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(10, 10, 10)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(10, 10, 10)
.addComponent(lblclave))
.addComponent(psswdclave, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(30, 30, 30)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(btningresar, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(btncancelar, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(0, 16, Short.MAX_VALUE))
);pack();
}// </editor-fold>
private void btncancelarActionPerformed(java.awt.event.ActionEvent evt) {
int r;
r = JOptionPane.showConfirmDialog(null, "CERRAR PROGRAMA", "SALIR", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
if (r == JOptionPane.YES_OPTION) {
this.dispose();
} }private void psswdclaveActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}private void btningresarActionPerformed(java.awt.event.ActionEvent evt) {
try {if (this.jTxtUsuario.getText().equals("") || this.psswdclave.getText().equals("")) {
JOptionPane.showMessageDialog(null, "Llenar Todos los campos");
return;
}cnx.rs = cnx.stm.executeQuery("SELECT * FROM Usuario WHERE Nick='" + this.jTxtUsuario.getText() + "' AND clave='" + this.psswdclave.getText() + "'");
if (cnx.rs.next()) {
this.dispose();
FrmMenu_Sistema menu = new FrmMenu_Sistema();
menu.show();
} else {
JOptionPane.showMessageDialog(null, "Usuario o Contraseña Incorrectos", "Acceso Incorrecto", 0);
jTxtUsuario.setText("");
psswdclave.setText("");
// contador++;
// if (contador == 3) {
// JOptionPane.showConfirmDialog(null, "Intentos Superados", "Acceso Incorrecto", 0);
// cnx.rs = cnx.stm.executeQuery("UPDATE Usuario SET usuario='" + this.jTxtUsuario.getText() + "'");
// }
}} catch (SQLException a) {
System.out.println(a.getMessage());
} }private void formWindowOpened(java.awt.event.WindowEvent evt) {
cnx.conectar();
icono();
}private void jTxtUsuarioKeyPressed(java.awt.event.KeyEvent evt) {
if (evt.getKeyCode() == KeyEvent.VK_ENTER) {
this.psswdclave.requestFocus();
} } /**
* @param args the command line arguments
*/public static void main(String args[]) {
/* Set the Nimbus look and feel */ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/ try {for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
} }} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(FrmAcceso.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(FrmAcceso.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(FrmAcceso.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(FrmAcceso.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} //</editor-fold>
/* Create and display the form */java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new FrmAcceso().setVisible(true);
}});
} // Variables declaration - do not modify
private javax.swing.JButton btncancelar;
private javax.swing.JButton btningresar;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel5;
private javax.swing.JTextField jTxtUsuario;
private javax.swing.JLabel lblclave;
private javax.swing.JLabel lblusuario;
private javax.swing.JPasswordField psswdclave;
// End of variables declaration
}El error que me muestra está en la línea 173... la variable stm conecta los objetos de la base de datos...
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