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pradeep
when sending the mail from java I am getting the below error
1 Answer(s)      4 years and 9 months ago
Posted in : JavaMail



when sending the mail from java I am getting the below error
:

Exception in thread "main" java.lang.NoClassDefFoundError: javax.mail.internet.MimeMessage
at java.lang.Class.initializeClass(libgcj.so.7rh)
at SendMail.main(SendMail.java:23)
Caused by: java.lang.ClassNotFoundException: javax.activation.DataSource not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:/mail/mail.jar,file:/mail/], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
at java.net.URLClassLoader.findClass(libgcj.so.7rh)


Code:



SendMail.java


import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;

public class SendMail {

public static void main(String args[]) throws Exception {
System.out.println("Message Send.1....");
String host = "xxxxxxxxxxxx";
String from = "xxx@gmail.com";
String to = "xxx@yahoo.com";
System.out.println("Message Send.2....");
// Get system properties
Properties properties = System.getProperties();
System.out.println("Message Send..3...");
// Setup mail server
properties.setProperty("mail.smtp.host", host);

// Get the default Session object.
Session session = Session.getDefaultInstance(properties);
System.out.println("Message Send..4...");
// Create a default MimeMessage object.
MimeMessage message = new MimeMessage(session);

// Set the RFC 822 "From" header field using the
// value of the InternetAddress.getLocalAddress method.
message.setFrom(new InternetAddress(from));

// Add the given addresses to the specified recipient type.
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));


// Set the "Subject" header field.
message.setSubject("hi..!");

// Sets the given String as this part's content,
// with a MIME type of "text/plain".
message.setText("Hi ......");

// Send message
Transport.send(message);

System.out.println("Message Sent.....");
}
}






at gnu.gcj.runtime.SystemClassLoader.findClass(libgcj.so.7rh)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at java.lang.Class.initializeClass(libgcj.so.7rh)

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View Answers

July 2, 2010 at 2:53 PM


Hi Friend,

It seems that you haven't set the classpath to include the mail.jar file. Check it.

For more information, visit the following link:

http://www.roseindia.net/javamail/

Thanks



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