Dear NetBeans Mailing List user,I am getting a invalidating email. I am using 
an Apache email validation class. I have attached the tar file of my project.
Following is the error

Failed to execute goal 
org.apache.maven.plugins:maven-compiler-plugin:3.11.0:compile (default-compile) 
on project ValidateName3: Fatal error compiling: error: release version 11.0.19 
not supported -> [Help 1]
To see the full stack trace of the errors, re-run Maven with the -e switch.
Re-run Maven using the -X switch to enable full debug logging.

For more information about the errors and possible solutions, please read the 
following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException


Email Validation in Java | Baeldung

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Email Validation in Java | Baeldung

Learn how to validate email addresses in Java using regular expressions.
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package com.mycompany.validatename;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.validator.*;
import org.apache.commons.validator.routines.InetAddressValidator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JOptionPane;
import javax.swing.UnsupportedLookAndFeelException;
public class ValidateNameForm extends javax.swing.JFrame {

    /**
     * Creates new form ValidateNameForm
     */
    public ValidateNameForm() {
    :
    :
}

 private void jTF1ActionPerformed(java.awt.event.ActionEvent evt) {             
                        
        // TODO add your handling code here:
    }                                    
    private void CheckIfInputValid(String input, String regex){
        String s;
        //for(int i=0; i<4; ++i) {
           Pattern pattern = Pattern.compile(regex);

           s = input.trim();

           Matcher matcher = pattern.matcher(s);

           JOptionPane.showMessageDialog(null, "Input "+s+" is valid " + 
String.valueOf(matcher.matches()));
        //}
        
    }
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {      
                                   
        // TODO add your handling code here:
        String emailAddress= jTF1.getText();
        //String strInput[]  = new String[5];
        //strInput[0]= strAccName; 
        //String regex = "^[a-zA-Z]*$";
        //String emailRegex = regexArr[2] = 
"[_a-zA-Z0-9-]+(\\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\\.[a-zA-Z0-9-]+)*(\\.[a-zA-Z]{1,6}))?";
        boolean isValidEmail = 
EmailValidator.getInstance().isValid(emailAddress);
        //CheckIfInputValid(strInput[0], emailRegex);
    }                                        

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
    }
 

    // Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JTextField jTF1;
    // End of variables declaration                   

 //private void initComponents() {
     //   throw new UnsupportedOperationException( "Not supported yet." ); // 
Generated from 
nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
   // }
}
Somebody please guide me.
Zulfi.

Attachment: ValidateName3 (copy).tar.xz
Description: application/xz

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