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Thread: Error occured during attachment of file using java.

  1. #1
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    Default Error occured during attachment of file using java.

    I want to attach some files using java in my Email Application.SO i used Multipart class but i got some error like this.....
    Exception caught 
    javax.mail.MessagingException: IOException while sending message;
      nested exception is:
        javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; 
        boundary="----=_Part_0_31510384.1309567547673"
        at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:625)
        at javax.mail.Transport.send0(Transport.java:169)
        at javax.mail.Transport.send(Transport.java:98)
        at MultipartExample.<init>(MultipartExample.java:43)
        at MultipartExample.main(MultipartExample.java:53)
    Caused by: javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; 
        boundary="----=_Part_0_31510384.1309567547673"
        at javax.activation.ObjectDataContentHandler.writeTo(DataHandler.java:891)
        at javax.activation.DataHandler.writeTo(DataHandler.java:317)
        at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1350)
        at javax.mail.internet.MimeMessage.writeTo(MimeMessage.java:1683)
        at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:585)
        ... 4 more


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    Default Re: Error occured during attachment of file using java.

    This thread may help (from googling for 'no object DCH for MIME type multipart/mixed').

    I don't usually act like a Google front-end, but I'm in a good mood...

  3. #3
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    Default Re: Error occured during attachment of file using java.

    @dlorde I have done lot of googling but still i am not able to fix the error can you tell me how to fix that issue.
    Please i have to do continue my project help me guy's !!

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    Default Re: Error occured during attachment of file using java.

    So did none of the solutions in the thread I linked to work?

    Please post up the code you tried for them.

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    Default Re: Error occured during attachment of file using java.

    yeh why not.....actually i am trying to do a simple Multipart program
    check this code...
    import java.util.Properties;
    /*import javax.mail.Message;
    import javax.mail.Session;
    import javax.mail.Transport;
    import javax.mail.PasswordAuthentication;
    import javax.mail.Authenticator;
    import javax.mail.internet.InternetAddress;
    import javax.mail.internet.MimeMessage;
    import javax.mail.Multipart;
    import javax.mail.MimeMultipart;
    import javax.mail.BodyPart;
    import javax.mail.MimeBodyPart;*/
    import javax.mail.*;
    import javax.mail.internet.*;
    import javax.activation.*;
    public class MultipartExample
    {
    MultipartExample()
    {
    try
    {
    Properties properties=System.getProperties();
    properties.setProperty("mail.smtp.host","smtp.gmai l.com");
    properties.setProperty("mail.smtp.port","587");
    properties.setProperty("mail.smtp.auth","true");
    properties.setProperty("mail.smtp.starttls.enable" ,"true");
    Session session=Session.getDefaultInstance(properties,new MyAuthentication());
    Message message=new MimeMessage(session);
    message.setFrom(new InternetAddress("morning.com.hablu@gmail.com"));
    message.addRecipient(Message.RecipientType.TO,new InternetAddress("kaliyaodi@gmail.com"));
    message.setSubject("Multipart message");
    Multipart multipart=new MimeMultipart();
    BodyPart bodypart=new MimeBodyPart();
    bodypart.setText("Can you get this message....?");
    bodypart.setDataHandler(new DataHandler("hiiiii","text/plain"));
    //BodyPart bodypart1=new MimeBodyPart();
    //bodypart1.setText("My name is");
    multipart.addBodyPart(bodypart);
    //message.setContent(multipart,"text/html; charset=UTF-8");
    //multipart.addBodyPart(bodypart1);
    //message.setContent("hekkdjjdj", "text/html; charset=UTF-8");
    message.setContent(multipart);
    Transport.send(message);
    }
    catch(Exception e)
    {
    System.out.println("Exception caught ");
    e.printStackTrace();
    }
    }
    public static void main(String args[])
    {
    new MultipartExample();
    }
    class MyAuthentication extends Authenticator
    {
    MyAuthentication()
    {
    super();
    }
    protected PasswordAuthentication getPasswordAuthentication()
    {
    return new PasswordAuthentication("morning.com.hablu","rockan dhack");
    }
    }
    }
    But don't know why it will throw the above exception.
    Help me please !!

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    Default Re: Error occured during attachment of file using java.

    OK - you clearly aren't going to tell me what you tried from the link, so let's do it the long way:

    1 - did you make sure mail.jar and activation.jar and in your appserver are compatible versions ? (this seems to be the most common problem)
    2 - are the jars in the same directory?
    3 - the code you posted doesn't show the MailCap MIME handler initialization - did you try that - can you post the code you used for it?

    p.s. this is my last attempt, I really don't have the time to mess about.

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