<%@ page import = "java.io.IOException,java.io.PrintWriter,java.sql.*,java.util.Hashtable,java.util.Properties" %>

<%@ page import = "javax.mail.*,javax.mail.internet.InternetAddress,javax.mail.internet.MimeMessage" %>

<%@ page import = "javax.servlet.*,javax.servlet.http.*" %>

<%@ page import = "javax.mail.BodyPart,javax.activation.*,javax.mail.internet.MimeBodyPart,javax.mail.internet.MimeMultipart" %>

<%
try
{
String host = "xxxxxx";
String from = "xxx@xxx.com";
String actto = "yyy@yyy.com";
String pSubject = "see the attachment";
String pMessage = "the attachement mail is as follows:";

Properties properties = new Properties();
properties.put("mail.smtp.host", host);
properties.put("mail.from", from);

Session session1 = Session.getInstance(properties, null);

Message msg = new MimeMessage(session1);
msg.setFrom(new InternetAddress(from));

InternetAddress[] to=null;
to = InternetAddress.parse(actto);
msg.setRecipients(Message.RecipientType.TO, to);

msg.setSubject( pSubject );
msg.setSentDate(new java.util.Date());

out.println("before mime body");

// create and fill the first message part
MimeBodyPart mbp1 = new MimeBodyPart();
mbp1.setText(pMessage);

// create the second message part
MimeBodyPart mbp2 = new MimeBodyPart();
// attach the file to the message
FileDataSource fds=new FileDataSource(request.getParameter("filename"));
mbp2.setDataHandler(new DataHandler(fds));
mbp2.setFileName(request.getParameter("filename"));

// create the Multipart
//and its parts to it
Multipart mp = new MimeMultipart();
mp.addBodyPart(mbp1);
mp.addBodyPart(mbp2);

// add the Multipart to the message
msg.setContent(mp);

out.println("after mime body");

Transport transport = session1.getTransport("smtp");
transport.connect();

out.println("before transport");
transport.send(msg);
out.println("message sent");
}
catch(Exception e)
{
out.println(e.toString());
}
%>

the error i am getting is:
javax.mail.SendFailedException: Sending failed; nested exception is: javax.mail.MessagingException: IOException while sending message; nested exception is: java.io.FileNotFoundException: C:WINDOWSDesktopa.txt    <<Less