SunONE webserver help

I am using a SunONE webserver as a front end to access a 3rd party application deployed on Weblogic 8.1SP3 on a backend app server.

When a user tries to download a file >2GB the transfer immediately fails. Talking to the app vendor revealed that for file sizes >2GB the application switches to a "chunked mode of data transfer". I have tried this with multiple versions of the Sun webserver ranging from 6.0SP3 to 6.1SP5 and the result remains the same. The only thing that I see in the webserver logs is an Http code of 411. I did a network capture and ethereal reveals the following:
HTTP/1.1 411 Length Required
Server: Sun-ONE-Web-Server/6.1
Date: Thu, 06 Jul 2006 13:38:03 GMT
Content-length: 210
Content-type: text/html
Connection: close
<HTML><HEAD><TITLE>Length Required</TITLE></HEAD>
<BODY><H1>Length Required</H1>
The server cannot accept the supplied request message body. Please retry the request with a Content-Length header.
</BODY></HTML>
I tried using Apache and v2.0.55 works like a charm.
Since I am using the BEA weblogic plugin on the Sun webserver I even had turned up logging on the plugin and cannot see any errors. Discussions with BEA and Sun have not produced any results.

I am really hoping that the gurus in this forum can provide me with some insight/pointers on how to tackle this problem.

thanks and regards,

Vishal


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