Re: Possible bug in Subject Headers

request.setHeader(newSubjectHeader) may work as intended. Add is 
supposed to be for lists of headers. As there can only be a single 
subject header, the second one is ignored. Call it a clunkiness in the API.

Ranga


Andrew T Gin wrote:
> Hi
> Ranga, when you mean you want us to use the user list on java.net, are 
> you referring to [email protected]?
>
> I think I may have come across a possible bug when it comes to adding 
> subject headers. Can the subject header change midway through a session?
>
> I have a session established with a subject header.
> I add SubjectHeaders using
>
> request.addHeader(subjectHeader).
>
> However when I come to create another request (using the same 
> session), and I again add a subject header with a different subject:
>
> request.addHeader(subjectHeader)
>
> the subject header added is the previous one, not the newly created 
> one! At the moment I am getting around this by using
> request.addHeader(subjectHeader); //this adds the previously used 
> subject header, even though a new one was created!
> request.removeHeader(SubjectHeader.NAME); //to remove the subject 
> header just added
> request.addHeader(subjectHeader); //adding the new one a second time 
> adds it correctly.
>
> The RFC does not state that Subject headers cannot change during a 
> session/call (section 20.36 of RFC 3261), however it may allude to it 
> "...The Subject header field provides a summary or indicates the 
> nature of the call ..."
>
> Jeroem, your suggestion of removing the via header works! thanks a lot!
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-- 
M. Ranganathan 

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