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André,

On 7/31/12 2:49 PM, André Warnier wrote:
> Michele Mase' wrote:
>> I'm waiting for a better solution ... Maybe should a sniffer pcap
>> help in diagnosys?
> 
> Wireshark is your friend. It may at least show you when the client 
> disconnects, and maybe why.  But if the problem is in the response
> body, I don't know if it will be very easy to find with a packet
> dump (and these responses are big).
> 
> Wait a bit.  Maybe someone else more knowledgeable will see
> something strange in those headers.
> 
> Another idea : the 206 response header contains a "Content-Length" 
> header. According to the specs, this is supposed to be the total
> number of bytes which should be contained in the response body
> (before decoding it into parts). Try to compare this, with what
> your Apache log tells you about the response size for the same
> request. Careful when comparing : I believe that the response size,
> for Apache, includes the HTTP headers; while the Content-Length
> headers refers only to the response body, without the headers.

What's interesting to note is that the request specifies two separate
ranges:

Request
- -------
GET /test.pdf HTTP/1.1
Accept: */*
Range: bytes=3446021-3447865, 475136-1792507

...

Response
- --------
HTTP/1.1 206 Partial Content
Server: Apache-Coyote/1.1
Accept-Ranges: bytes
ETag: W/"3447866-1343391729000"
Last-Modified: Fri, 27 Jul 2012 12:22:09 GMT
Content-Type: multipart/byteranges;boundary=CATALINA_MIME_BOUNDARY
Date: Tue, 31 Jul 2012 12:32:20 GMT
Content-Length: 1319458
(end of post)

There should probably be a chunk of the response with a Content-Length
of -(3446021-3447865)=1844 bytes and another one with Content-Length
of -(475136-1792507)=1317371 bytes, all packaged-up inside this single
response.

Can we get more of the data that you see?

- -chris
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