Thanks for the info Oleg. I've done a little more reading and from what I understand JigSaw from W3C will support chunking when configured as a proxy server. So far Squid proxy doesn't look too promising. There are a few posts about supporting Transfer-Encoding in future releases but nothing about it working right now.
Course you can't always believe what you read so I guess it's time to start testing :-). Bruce. -----Original Message----- From: Oleg Kalnichevski [mailto:[EMAIL PROTECTED] Sent: Tuesday, March 09, 2004 11:38 AM To: Commons HttpClient Project Subject: Re: Chunked upload through SunONE proxy server Bruce, Chunk encoding is a feature introduced in the version 1.1 of the HTTP specification. Older HTTP/1.0 proxies _may_ have various issues with chunk-encoded content. If iPlanet proxy is not HTTP/1.1 compliant, there's not much you can do. I doubt that any special headers are required besides Transfer-Encoding if the proxy is HTTP/1.1 compliant. I believe Squid proxy, even though not being fully HTTP/1.1 compliant, can handle chunk-encoded content. Please refer to the Squid resources for a more definitive answer, though. Oleg On Tue, 2004-03-09 at 16:23, Bruce McHaffie wrote: > Hi, I'm using httpclient to do large file uploads. It works just fine > through a direct connection to the LAN but when I go through iPlanet Web > Proxy Server (3.6) the POST is forwarded to the target host with no body. So > the message inbound to the web server (outbound from the proxy server) is: > > POST /fileupload/chunkyserver HTTP/1.1 > User-Agent: Jakarta Commons-HttpClient/2.0rc3 > Host: apollo.est.com > Transfer-Encoding: chunked > Forwarded: by http://bmchaff.est.com:8082 (iPlanet-Web-Proxy-Server/3.6) > > > ...so I tried SunONE Web Proxy server 3.6 SP4, which is supposed to have > support for Transfer-Encoding="chunked". But it chokes on the chunked post. > The error message is: > > "[08/Mar/2004:15:42:18] info: Unable to launch the thread... Exception Code: > -1073741819" > > For non-chunked POSTS and for GETS everything is fine. Is there something I > have to set in the header to make it work or am I just wasting my time > trying to do chunking through proxies? Anyone know of proxies that > definitely support Transfer-Encoding="chunked" for upload? > > > Bruce. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
