Javax.activation.UnsupportedDataTypeException: no object DCH for MIME type

hi there
i'm new to javamail and i'm trying to build a sample tool able only to send an e-mail.
i'm connecting to my office mail-server (web-mail). I'm sending from my office's address to an hotmail's address but i always receive the UnsupportedDataTypeException message. The same problem occurs if i mail to another user of web-mail
Have someone already encountered this problem?
Thanks in advance
here is my debug:
DEBUG: setDebug: JavaMail version 1.3.2
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
DEBUG SMTP: useEhlo true, useAuth false
DEBUG SMTP: trying to connect to host "212.239.51.130", port 25, isSSL false
220 mail.euchia.it ESMTP
DEBUG SMTP: connected to host "212.239.51.130", port: 25
EHLO tim1
250-mail.euchia.it talking to [192.168.1.145] ([192.168.1.145])
250-ENHANCEDSTATUSCODES
250-SIZE
250-ETRN
250-ATRN
250-DSN
250-8BITMIME
250 HELP
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "SIZE", arg ""
DEBUG SMTP: Found extension "ETRN", arg ""
DEBUG SMTP: Found extension "ATRN", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "HELP", arg ""
DEBUG SMTP: use8bit false
MAIL FROM:<[email protected]>
250 2.1.0 <[email protected]>... Sender ok
RCPT TO:<[email protected]>
250 2.1.5 <[email protected]>... Recipient ok; will forward
DEBUG SMTP: Verified Addresses
DEBUG SMTP: [email protected]
DATA
354 Enter mail, end with "." on a line by itself
javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; boundary="----=_Part_0_597230.1126769454656"
     at javax.activation.ObjectDataContentHandler.writeTo(DataHandler.java:851)
     at javax.activation.DataHandler.writeTo(DataHandler.java:305)
     at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1206)
     at javax.mail.internet.MimeMessage.writeTo(MimeMessage.java:1611)
     at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:526)
     at javax.mail.Transport.send0(Transport.java:151)
     at javax.mail.Transport.send(Transport.java:80)
     at msgmultisendsample.main(msgmultisendsample.java:78)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:324)
     at com.intellij.rt.execution.application.AppMain.main(AppMain.java:78)

I hope this will help you.
http://jce.iaik.tugraz.at/products/03_cms/faq/index.php
Thanks,
Amol

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No object DCH for MIME type multipart/related

Hi, everyone!!!
When I execute my code, I got this exception:
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the funny things is : I got it work before. However, when I come back a few days to run, it doesn't.
I use tomcat 5.0,
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Note: Also, when I run the code below in standalone application (java application), it works but doesn't work on tomcat application
Any help would be appreciate.
I tried some helps tips from other website such as http://www.jguru.com/faq/view.jsp?EID=237257
and still doesn't work :((((
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Thank you for your response!!!
I already found the solution. For those who still having problem send e-mail, make sure to put mail.jar and activation.jar in the same location.
Also, make sure to check catalina.xml to make sure those jars are same location!!!->That what I found out.
->I put jars in same location of my eclipse project but it turns out, the tomcat app server didn't put them in same location.
Anyway, Thank you java_2006 for your response!!!!!
:)

No object DCH for MIME type images/jpeg

what is the solution to this problem?

Thank you for your response!!!
I already found the solution. For those who still having problem send e-mail, make sure to put mail.jar and activation.jar in the same location.
Also, make sure to check catalina.xml to make sure those jars are same location!!!->That what I found out.
->I put jars in same location of my eclipse project but it turns out, the tomcat app server didn't put them in same location.
Anyway, Thank you java_2006 for your response!!!!!
:)

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sanksrit_source_language wrote:
Hi,
please add the following lines in your code.
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