On Thu, Aug 29, 2002 at 10:26:53AM -0400, Emerson, David wrote:
> I'm trying to use the proxy server [...]
> It seems like the web
> server (IIS) is waiting on some sort of reponse from the browser that never
> appears. I'd really like to be able to use JMeter but I'm hoping you have
> suggestions on how to debug this problem.
Check out Ethereal -- www.ethereal.com. A great GPL'ed packet
sniffer. I used it a couple of weeks ago to track down some
problems I was having with the JMeter proxy.
Features likely to be of use are "Decode As..." and "Follow TCP
Stream", both on the right-click menu once you've selected a TCP
packet of interest. With the former, you can tell it which
upper-layer protocol the TCP connection is carrying (e.g. HTTP);
with the latter, you can get a dump (ASCII or hex) of the entire
HTTP (or whatever) conversation, without having to trace through
all the packets yourself.
I found it useful to sniff a fetch without the proxy involved;
then both sides of a fetch with the proxy (i.e. both the browser
side and the server side), then compare the three streams.
--
| | /\
|-_|/ > 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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