CODEWITHSUNDEEP
javaemail
user1260928
user1260928

Reputation: 3439

Jave : email with pdf attached file : no object DCH for MIME type application/pdf

I want to send a pdf file in an email with javax mail.
Below, baos is a ByteArrayOutputStream.

byte []  data=   baos.toByteArray();
OutputStream output = new FileOutputStream(fileName);
output.write(data);     
output.close();
DataSource source = new FileDataSource(fileName);
attachBodyPart.setDataHandler(new DataHandler(source, "application/pdf"));
attachBodyPart.setFileName(fileName);
multipart.addBodyPart(attachBodyPart);
message.setContent(multipart, "text/html");
Transport transport = session.getTransport("smtp");
transport.connect(host, from, pass);
transport.sendMessage(message, message.getAllRecipients());
transport.close();

I am getting this exception when I try to send the email :

javax.mail.MessagingException: IOException while sending message;
nested exception is: javax.activation.UnsupportedDataTypeException: no object DCH for MIME type application/pdf

I don't know what's wrong here.
If someone does...

Thanks in advance.

Upvotes: 5

Views: 7118

Answers (3)

Piro
Piro

Reputation: 1435

I am also using FileDataSource. Since DataHandler had issues with this data source, I had to use own implementation of DataHandler:

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;

public class FileDataHandler extends DataHandler{

    private final File file;
    
    public FileDataHandler(File file, String contentType) {
        super(new FileDataSource(file), contentType);
        this.file = file;
    }
    
    @Override
    public void writeTo(OutputStream os) throws IOException {
        try (InputStream is = new FileInputStream(file); BufferedInputStream bis = new BufferedInputStream(is)) {
            byte data[] = new byte[8 * 1024];
            int bytes_read;

            while ((bytes_read = bis.read(data)) > 0) {
                os.write(data, 0, bytes_read);
            }
        }
    }
}

In your case it is simple to create this FileDataHandler directly ignoring DataSource.

Upvotes: 0

Aakash
Aakash

Reputation: 1791

Try this.

MimeBodyPart attachment = new MimeBodyPart();
DataSource dataSrc = new ByteArrayDataSource(baos.toByteArray(), "application/pdf");
attachment.setDataHandler(new DataHandler(dataSrc));
attachment.setFileName("myPdfDocument.pdf");
multipart.addBodyPart(attachment);

Upvotes: 5

Jan
Jan

Reputation: 13858

Everytime I do this I use byte array directly without working through file:

byte []  data =   baos.toByteArray();
MimeBodyPart attachBodyPart = new MimeBodyPart();
attachBodyPart.setFileName(fileName);
attachBodyPart.setDisposition(MimeBodyPart.ATTACHMENT);
attachBodyPart.setContent(data, "application/pdf");

multipart.addBodyPart(attachBodyPart);

Upvotes: 0

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