Calling setText or setContent multiple times on BodyPart clears headers

Are you supposed to be able to re-use a MimeMessage, changing the body parts and sending it multiple times?
When I try the following, the content-type and content-transfer-encoding headers are stripped from the html body part:
MimeMessage msg = new MimeMessage(Session.getDefaultInstance(System.getProperties()));
msg.setFrom(new InternetAddress("[email protected]"));
msg.setSubject("TEST");
msg.setRecipient(Message.RecipientType.TO, new InternetAddress("[email protected]"));
final MimeMultipart multipart = new MimeMultipart();
final MimeBodyPart htmlPart = new MimeBodyPart();
htmlPart.setText("<html><body>This is an html part</body></html>", null, "html");
multipart.addBodyPart(htmlPart);
msg.setContent(multipart);
Transport.send(msg);
// now call setText on the html part and send the message again
htmlPart.setText("<html><body>This is another html part, overwriting the first</body></html>", null, "html");
Transport.send(msg);I end up with a message that looks like this:
Content-Type: multipart/mixed;
boundary="----=_Part_0_10496062.1211756263858"
Date: Sun, 25 May 2008 18:59:42 -0400
------=_Part_0_10496062.1211756263858
X-TESTHEADER: test
<html><body>This is another html part, overwriting the first</body></html>
------=_Part_0_10496062.1211756263858--Which renders as plain-text in my browser. I know I can re-create the entire MimeMessage and body parts, but my real-world example is significantly more complicated. Another way to get it to work is to explicitly set the content-type and content-transfer-encoding headers on the HTML part after changing the content. I'm not sure what to set the content-transfer-encoding to, however (I'd like this to work for multiple encodings)

Call msg.saveChanges() before Transport.send(msg).

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Go to Solution.
Attachments:
VIT_Reentrant.png ‏18 KB

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-- Brian

brianberns wrote:
WHERE ROWNUM = 1 fixed the problem, although I have no idea why. Thank you!It's an unofficial way of preventing view merging.
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Generic Data Source is calling multiple times in RSA3

[color:red}<Moderator Message: This topic has alread been discussed a lot of times. Additionally there are weblogs related to it. Please search the forums and/or the blogs for this issue>
Hi experts,
I have the requirement to get data from Generic Data Sources with function Module,
after finishing the FM I have checked in extact checker(RSA)
in the internal table I_T_DATA is displays 281 records,
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1.what would be the problem
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<removed by moderator>
Regards
Vijay
Edited by: Siegfried Szameitat on Feb 3, 2009 11:45 AM

Hi Savita,
I don't understand clearly from your reply regarding flow you transported and what all you transported.
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