Guardar datos en MySql con Java . run: java.lang.IllegalArgumentException
Publicado por Giuseppe (4 intervenciones) el 30/07/2019 14:03:07
Adjunto nuevo código: aclaro que el código no es mio es un ejemplo que estoy siguiendo publicado en internet , la conexión siempre es exitosa y Consulta Elimina y Modifica los datos sin problema , pero al guardar envía el mensaje, el cual adicione al final del código
run: java.lang.IllegalArgumentException
A continuación el código utilizado
run: java.lang.IllegalArgumentException
A continuación el código utilizado
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package app;
import com.mysql.jdbc.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.swing.JOptionPane;
public class persona extends javax.swing.JFrame {
public static final String URL = "jdbc:mysql://localhost:3306/Escuela"; //Direccion, puerto y nombre de la Base de Datos
public static final String USERNAME = "root"; //Usuario de Acceso a MySQL
public static final String PASSWORD = "mysql"; //Password del usuario
PreparedStatement ps;
ResultSet rs;
public static Connection getConection() {
Connection con = null; try {Class.forName("com.mysql.jdbc.Driver");
con = (Connection) DriverManager.getConnection(URL, USERNAME, PASSWORD);
JOptionPane.showMessageDialog(null, "Conexion exitosa");
} catch (Exception e) {
System.out.println(e);
}return con;
}private void limpiarCajas(){
txtClave.setText(null);
txtNombre.setText(null);
txtDomicilio.setText(null);
txtTelefono.setText(null);
txtEmail.setText(null);
txtFecha.setText(null);
cbxGenero.setSelectedIndex(0);
}public persona() {
initComponents();
txtId.setVisible(false);
}@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
txtClave = new javax.swing.JTextField();
txtTelefono = new javax.swing.JTextField();
jLabel5 = new javax.swing.JLabel();
txtEmail = new javax.swing.JTextField();
jLabel6 = new javax.swing.JLabel();
txtFecha = new javax.swing.JTextField();
jLabel2 = new javax.swing.JLabel();
txtNombre = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
txtDomicilio = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
jLabel7 = new javax.swing.JLabel();
cbxGenero = new javax.swing.JComboBox<>();
btnGuarda = new javax.swing.JButton();
btnModifica = new javax.swing.JButton();
btnElimina = new javax.swing.JButton();
btnLimpiar = new javax.swing.JButton();
btnBuscar = new javax.swing.JButton();
txtId = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("Clave:");
jLabel5.setText("Email:");
jLabel6.setText("Fecha Nacimiento:");
jLabel2.setText("Nombre:");
jLabel3.setText("Domicilio:");
jLabel4.setText("Telefono:");
jLabel7.setText("Genero:");
cbxGenero.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "Selecciona", "Masculino", "Femenino" }));
btnGuarda.setText("Guarda");
btnGuarda.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnGuardaActionPerformed(evt);
}});
btnModifica.setText("Modifica");
btnModifica.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnModificaActionPerformed(evt);
}});
btnElimina.setText("Elimina");
btnElimina.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnEliminaActionPerformed(evt);
}});
btnLimpiar.setText("Limpiar");
btnLimpiar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnLimpiarActionPerformed(evt);
}});
btnBuscar.setText("Buscar");
btnBuscar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnBuscarActionPerformed(evt);
}});
txtId.setEnabled(false);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(27, 27, 27)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(btnGuarda)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel6)
.addComponent(jLabel7)))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(txtFecha, javax.swing.GroupLayout.DEFAULT_SIZE, 200, Short.MAX_VALUE)
.addComponent(cbxGenero, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addComponent(btnModifica)
.addGap(18, 18, 18)
.addComponent(btnElimina)
.addGap(18, 18, 18)
.addComponent(btnLimpiar))))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2)
.addComponent(jLabel1))
.addGap(65, 65, 65)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(txtNombre, javax.swing.GroupLayout.PREFERRED_SIZE, 199, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addComponent(txtClave, javax.swing.GroupLayout.PREFERRED_SIZE, 95, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(33, 33, 33)
.addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 43, Short.MAX_VALUE)
.addComponent(btnBuscar))))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addComponent(jLabel5)
.addComponent(jLabel3))
.addGap(60, 60, 60)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(txtEmail, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtTelefono, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(txtDomicilio, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addGap(66, 66, 66))
);layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(44, 44, 44)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(txtClave, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(btnBuscar)
.addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(txtNombre, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(txtDomicilio, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(txtTelefono, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(txtEmail, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(txtFecha, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel7)
.addComponent(cbxGenero, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 61, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(btnGuarda)
.addComponent(btnModifica)
.addComponent(btnElimina)
.addComponent(btnLimpiar))
.addContainerGap())
);pack();
}// </editor-fold>
private void btnGuardaActionPerformed(java.awt.event.ActionEvent evt) {
Connection con = null; try{con = getConection();
ps = con.prepareStatement("INSERT INTO persona (clave, nombre, domicilio, telefono, correo_electronico, fecha_nacimiento, genero) VALUES(?,?,?,?,?,?,?) ");
ps.setString(1, txtClave.getText());
ps.setString(2, txtNombre.getText());
ps.setString(3, txtDomicilio.getText());
ps.setString(4, txtTelefono.getText());
ps.setString(5, txtEmail.getText());
ps.setDate(6, Date.valueOf(txtFecha.getText()));
ps.setString(7, cbxGenero.getSelectedItem().toString());
int res = ps.executeUpdate();
if(res > 0){
JOptionPane.showMessageDialog(null, "Persona Guardada");
limpiarCajas();
} else {
JOptionPane.showMessageDialog(null, "Error al Guardar persona");
limpiarCajas();
}con.close();
} catch(Exception e){
System.err.println(e);
} }private void btnBuscarActionPerformed(java.awt.event.ActionEvent evt) {
Connection con = null; try{con = getConection();
ps = con.prepareStatement("SELECT * FROM persona WHERE clave = ?");
ps.setString(1, txtClave.getText());
rs = ps.executeQuery();
if(rs.next()){
txtId.setText(rs.getString("id"));
txtNombre.setText(rs.getString("nombre"));
txtDomicilio.setText(rs.getString("domicilio"));
txtTelefono.setText(rs.getString("telefono"));
txtEmail.setText(rs.getString("correo_electronico"));
txtFecha.setText(rs.getString("fecha_nacimiento"));
cbxGenero.setSelectedItem(rs.getString("genero"));
} else {
JOptionPane.showMessageDialog(null, "No existe una persona con la clave");
}} catch(Exception e){
System.err.println(e);
} }private void btnModificaActionPerformed(java.awt.event.ActionEvent evt) {
Connection con = null; try{con = getConection();
ps = con.prepareStatement("UPDATE persona SET clave=?, nombre=?, domicilio=?, telefono=?, correo_electronico=?, fecha_nacimiento=?, genero=? WHERE id=?");
ps.setString(1, txtClave.getText());
ps.setString(2, txtNombre.getText());
ps.setString(3, txtDomicilio.getText());
ps.setString(4, txtTelefono.getText());
ps.setString(5, txtEmail.getText());
ps.setDate(6, Date.valueOf(txtFecha.getText()));
ps.setString(7, cbxGenero.getSelectedItem().toString());
ps.setString(8, txtId.getText());
int res = ps.executeUpdate();
if(res > 0){
JOptionPane.showMessageDialog(null, "Persona Modificada");
limpiarCajas();
} else {
JOptionPane.showMessageDialog(null, "Error al Modificar persona");
limpiarCajas();
}con.close();
} catch(Exception e){
System.err.println(e);
} }private void btnEliminaActionPerformed(java.awt.event.ActionEvent evt) {
Connection con = null; try{con = getConection();
ps = con.prepareStatement("DELETE FROM persona WHERE id=?");
ps.setInt(1, Integer.parseInt(txtId.getText()));
int res = ps.executeUpdate();
if(res > 0){
JOptionPane.showMessageDialog(null, "Persona Eliminada");
limpiarCajas();
} else {
JOptionPane.showMessageDialog(null, "Error al eliminar persona");
limpiarCajas();
}con.close();
} catch(Exception e){
System.err.println(e);
} }private void btnLimpiarActionPerformed(java.awt.event.ActionEvent evt) {
limpiarCajas();
} /**
* @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 ("Windows".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
} }} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(persona.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(persona.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(persona.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(persona.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 persona().setVisible(true);
}});
} // Variables declaration - do not modify
private javax.swing.JButton btnBuscar;
private javax.swing.JButton btnElimina;
private javax.swing.JButton btnGuarda;
private javax.swing.JButton btnLimpiar;
private javax.swing.JButton btnModifica;
private javax.swing.JComboBox<String> cbxGenero;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JTextField txtClave;
private javax.swing.JTextField txtDomicilio;
private javax.swing.JTextField txtEmail;
private javax.swing.JTextField txtFecha;
private javax.swing.JTextField txtId;
private javax.swing.JTextField txtNombre;
private javax.swing.JTextField txtTelefono;
// End of variables declarationValora esta pregunta
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