Send to Email.javajava.lang.NoClassDefFoundError: javax/mail/Authenticator, có chuyện gì vậy?
package helper;
//Mail.java - smtp sending starttls (ssl) authentication enabled
//1.Open a new Java class in netbeans (default package of the project) and name it as "Mail.java"
//2.Copy paste the entire code below and save it.
//3.Right click on the file name in the left side panel and click "compile" then click "Run"
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
public class sendToEmail
{
String d_email = "[email protected]",
d_password = "mysamplepassword",
d_host = "smtp.gmail.com",
d_port = "465",
//m_to = "[email protected]",
m_subject = "trial",
m_text = "Hey, this is the testing email.";
public sendToEmail(String strEmailAddress)
{
Properties props = new Properties();
props.put("mail.smtp.user", d_email);
props.put("mail.smtp.host", d_host);
props.put("mail.smtp.port", d_port);
props.put("mail.smtp.starttls.enable","true");
props.put("mail.smtp.auth", "true");
//props.put("mail.smtp.debug", "true");
props.put("mail.smtp.socketFactory.port", d_port);
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
SecurityManager security = System.getSecurityManager();
try
{
Authenticator auth = new SMTPAuthenticator();
Session session = Session.getInstance(props, auth);
//session.setDebug(true);
MimeMessage msg = new MimeMessage(session);
msg.setText(m_text);
msg.setSubject(m_subject);
msg.setFrom(new InternetAddress(d_email));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(strEmailAddress));
Transport.send(msg);
}
catch (Exception mex)
{
mex.printStackTrace();
}
}
public class SMTPAuthenticator extends javax.mail.Authenticator
{
public PasswordAuthentication getPasswordAuthentication()
{
return new PasswordAuthentication(d_email, d_password);
}
}
}
phần controller.java tôi
/* Send to Email will run properly soon */
sendToEmail email = new sendToEmail(strEmailAddress);
Khi tôi chạy ứng dụng web của tôi, tôi đã thông báo lỗi này nói:
Type Exception report
message
description The server encountered an internal error() that prevented it from fulfilling this request.
exception javax.servlet.ServletException: Servlet execution threw an exception
root cause java.lang.NoClassDefFoundError: javax/mail/Authenticator controller.RegisterTenantController.doPost(RegisterTenantController.java:108) javax.servlet.http.HttpServlet.service(HttpServlet.java:709) javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
Tôi sẽ làm gì bây giờ? Ai đó có thể giúp tôi để có được ứng dụng web này thành công?
với thư javax 1.5.2 Tôi gặp lỗi [Servlet thực thi đã ném ngoại lệ] với nguyên nhân gốc java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger –
Để duyệt qua các phiên bản mới nhất, hãy xem [javax.mail] (http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22javax.mail%22%20AND%20a%3A%22mail%22) & [javax.activation] (http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22javax.activation%22%20AND%20a%3A%22activation%22) –