Ok, I got an idea while reading this on how it (the url-encoding issue) might be 
fixed.  I'll let 
you know when I'm done.

I'm a little concerned about the multipart form issue you raise - JMeter has always in 
the past 
correctly parsed multipart forms as multipart forms - so I'm wondering why your 
request 
doesn't work.  Are you doing something weird?  Normally, mulitpart forms are created 
when 
browsers upload files, with HTML like so: <form action="upload.jsp" method="POST" 
enctype="multipart/form-data"><input type="File" ...></form>.  Is this what you are 
doing, or 
is it different somehow?

-Mike


On 13 Aug 2002 at 0:07, Eric Siegerman wrote:

> Ok, so this business of the HTTP proxy URL-encoding stuff is
> biting me now.
> 
> Why does this happen?  It seems to me that the proxy should pass
> along exactly what it got, unless there's a good reason to do
> otherwise.  That invites the question:  is there a good reason
> for URL-encoding the data?  What purpose is served by modifying
> it, in however supposedly-benign a way?
> 
> On Fri, Aug 09, 2002 at 10:25:30AM -0400, Mike Stover wrote (over on jmeter-dev):
> > It seems that what is needed is a new type of proxy server that generates SOAP 
> > Samplers, instead of normal HTTP Samplers.  Not that your communications are 
> > using SOAP necessarily, but the form is the same (XML through HTTP).
> 
> I wasn't following the quoted thread closely, but this suggestion
> seems to be a response to someone else's URL-encoding problems.
> If so, it wouldn't help me.  My problem is not with XML-formatted
> data, but with bog-standard HTML forms.  My browser encodes a
> particular form as "multipart/form-data", but JMeter URL-encodes
> the whole request body (all of its MIME parts crunched into one
> huge long line) and zaps the encoding to
> "application/x-www-form-urlencoded".  Not surprisingly, the app
> server hasn't a clue what to do with this.
> 
> Of course, a special case could be added for
> "multipart/form-data" forms too (perhaps not as visibly as a
> separate subclass).  But better than multiplying kludges, it
> seems to me, would be to just make the existing proxy
> transparent.
> 
> Here are the ways in which the proxy incorrectly modifies the
> data (perhaps only a partial list; this is based only on the form
> submission that's causing me grief):
>   - form body munging as described above
>   - the response headers are changed to be terminated by LF;
>     they're supposed to be CRLF's, and are before the proxy gets
>     hold of them [1]
> 
> There are other modifications, but they're all correct -- either
> necessary, or else unnecessary but innocuous (e.g. reordering
> headers).  If a list of these would be useful, I can post one.
> 
> I'm willing to take a quick stab at this (but haven't time for
> more, so I can't promise anything).  But before I do, I'd like to
> know that I'm not going off on the wrong track.  So, is there a
> good reason for the current behaviour, or is it a bug /
> implementation artifact?
> 
> Thanks much.
> 
> 
> [1] "[...] a bare CR or LF MUST NOT be substituted for CRLF
>     within any of the HTTP control structures (such as header
>     fields and multipart boundaries)."
>       - RFC 2068, p. 25, emphasis in original
> 
> 
> P.S. Sorry if this sounds a bit snarky.  Normally I'd hold onto
> it overnight and revise it in the morning.  But deadline pressure
> kind of prevents that :-(
> 
> --
> 
> |  | /\
> |-_|/  >   Eric Siegerman, Toronto, Ont.        [EMAIL PROTECTED]
> |  |  /
> Anyone who swims with the current will reach the big music steamship;
> whoever swims against the current will perhaps reach the source.
>       - Paul Schneider-Esleben
> 
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