I'm getting an exception while sending a mail . .

Question

i'm get an excpetion while sending a mail, example i'm getting
this particular error
Exception in thread "main" java.lang.NoClassDefFoundError: javax/activation/DataSource
at MailTest.<init>(MailTest.java:25)
at MailTest.main(MailTest.java:42)
this is my code
pls help me out
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.*;
import javax.naming.Context;
import javax.naming.InitialContext;
public class MailTest
     String mailHost = "mail.business-functions.com";
     String to = "[email protected]";
     String from = "[email protected]";
     String subject = "This is Test Mail Thru Java Mail API";
     String body = "This is Test Mail to check whether the Java Mail APi is Working or not. This is prototype developed by Snehal K gandhi of Business Functions Software Solutions Pvt Ltd.";
     Provider provider;
     public MailTest()
          try
               Properties props = System.getProperties();
               props.put("mail.smtp.host", mailHost);
               Session session = Session.getInstance(props,null);
               Message message = new MimeMessage(session);
               message.setFrom(new InternetAddress(from));
               message.setRecipients(Message.RecipientType.TO,new InternetAddress[]{new InternetAddress(to)});
               message.setSubject(subject);
               message.setContent(body, "text/plain");
               Transport.send(message);
               System.out.println("Mail has been Sent");
          catch(MessagingException me)
               System.out.println("2. Error While Sending the Mail and the exception is : " + me.toString());
     public static void main(String arg[])
          new MailTest();
***********************************************************************/

Answer 1

<sigh>
You need activation.jar in your classpath and or
import javax.activation.*;
See the JavaMail Readme for more info.
If you haven't got JAF get it here
http://java.sun.com/products/javabeans/glasgow/jaf.html
Rgds,
SH