John -- WireShark (free download from http://www.wireshark.org/) is my current favorite. It shows all the network traffic and can be filtered based on IP, etc. I've blogged about it here with instructions on using it: http://devharbor.blogspot.com/2009/02/using-wireshark-to-sniff-http-packets.html
- Alex C --- In flexcoders@yahoogroups.com, "oneworld95" <oneworl...@...> wrote: > > Thanks, Alex. It's not hanging on the Flex side -- the server response > is never received. Using WireShark (http://www.wireshark.org/), I was > able to see it's not hanging at all, but continually sending messages > to the Java servlet but getting nothing back in reply. > > That's what led me to investigate the Java code more closely. The > BufferedImage object was receiving some JPG images that it couldn't > handle; so it spun away for a while before throwing an exception. For > whatever reason, the exception never made it back to the Flex side. > > All is well now: I took out the BufferedImage object and am passing > the InputStream directly to the Java Advanced Imaging API code, which > resizes the image and writes it to disk. One issue: JPG images with > CMYK color spaces come out with their colors mangled; but that's a > limitation of the server code and has nothing to do with Flex. > > - Alex > > --- In flexcoders@yahoogroups.com, Alex Harui <aharui@> wrote: > > > > It would be unusual for Flex to hang waiting for the server. Use a > network monitor to see what's going on. Is Flex really hung? You > can't hit a button or anything? > > > > From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] > On Behalf Of oneworld95 > > Sent: Tuesday, February 03, 2009 7:25 AM > > To: flexcoders@yahoogroups.com > > Subject: [flexcoders] Detect exeptions - help!! > > > > > > I've run into a very frustrating situation and need your help: > > > > - Flex uploads a file to the server > > - The server reads it into a Java BufferedImage object. > > - However, Java sometimes takes 40 seconds or longer to reply > > - In some cases it has difficulty reading the file. > > > > In the cases of problems, Flex just hangs. It doesn't reply with > > anything. Is it timing out? Any help appreciated. > > >