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From "Dhanush Gopinath" <>
Subject Re: Problems with DataHandler
Date Tue, 03 Aug 2004 04:23:38 GMT


Will sugest you some thing  .. instead of using a datahandler try using InputStream

If content type is "application/octet-stream" Get the attachment content from the AttachmentPart
to an Input stream  .. and write it out to a File out put stream ..

 AttachmentPart attachment = (AttachmentPart)enumAttachment.nextElement();
      if ((attachment.getContentType()).equals("application/octet-stream"))
       InputStream is = (InputStream)attachment.getContent();    
     int filSize= attachment.getSize();
        byte [] byteArray= new byte[filSize];
        int ch =,0,filSize);
        FileOutputStream fosOct = new FileOutputStream("D:\\mime_ws\\attachs\\"+enumFile.nextElement());


This is bcoz for AttachmentPart.getContent() returns an Input Stream for type "application/octet-stream"

Hope this helps


Dhanush Gopinath
Software Engineer
Mahindra British Telecom Ltd
+91-020-4018100 Ext:-1218

"It's the possibility of having a dream come true , that makes life interesting" - Paulo Coelho,
The Alchemist
  ----- Original Message -----
  From: eagle1978
  Sent: Monday, August 02, 2004 7:41 PM
  Subject: Problems with DataHandler


  I've a problem with axis.
  I try to develop a webservice application which receives some files and send
  some files back.
  The webservice is implemented in .NET. (this part works without a problem, I
  tested it with a .NET client) The client is implemented in Java.

  My problem is how to get the attachment from the webservice answer.

  Here is my current code:
        Object attReturn[] = archive.getAttachments();
        int nrAttachments = attReturn.length;
        System.out.println("Anzahl der empfangenen Attachments " +
        DataHandler dhReturn;
        OutputStream os;
        FileOutputStream fileOut;

        for (int i = 0; i < nrAttachments - 1; i++) {
          System.out.println(retPath + i + ".txt " + attReturn.length );

          dhReturn = new DataHandler(attReturn[i],

          fileOut = new FileOutputStream( retPath + i + ".txt" );

  When I run this code I get the following error message:
  javax.activation.UnsupportedDataTypeException: no object DCH for MIME type

  It doesn't matter what kind of mime type I use, I always get the same error
  Any suggestions?

  Thanks in advance!



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