sending email using spring framework get error

Question

Following is the my code to sending the email.

import org.springframework.mail.MailSender;
import org.springframework.mail.SimpleMailMessage;

public class TestArrayList {
    private MailSender mailSender;
    public void sendMail(String from, String to, String subject, String msg) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(msg);
        mailSender.send(message);   
    }
    public static void main(String[] args) {
        TestArrayList obj=new TestArrayList();
        obj.sendMail("[email protected]", "[email protected]",  "Testing123", "Testing only \n\n Hello Spring Email Sender");

        }

}

But i got the following error message I don't get it where I m wrong.

Exception in thread "main" java.lang.NullPointerException
    at TestArrayList.sendMail(TestArrayList.java:16)
    at TestArrayList.main(TestArrayList.java:20)

Ajinkya · Accepted Answer · 2013-05-24 05:46:12Z

2

mailSender.send(message);

Here mailSender is null as it is not initialized.
Initialize it

private MailSender mailSender = new MailSender();

or use Spring annotation to inject it.

answered May 24, 2013 at 5:46

Ajinkya

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4 Comments

vijayk Over a year ago

when u tried to initialize mailSender it give Cannot instantiate the type MailSender error message...

Ajinkya Over a year ago

@vijayk: Add more details from stacktrace so that we can identify the exact problem.

vijayk Over a year ago

I m just initiate the mailSender object but it give error when u just type at that time it give error..

Ajinkya Over a year ago

@vijayk: I guess MailSender is a interface you need to use a implementation of that.

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