From owner-freebsd-ports  Tue Oct 31  9: 7: 6 2000
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Date: Tue, 31 Oct 2000 12:07:03 -0500 (EST)
From: Igor Roshchin <str@giganda.komkon.org>
Message-Id: <200010311707.MAA56907@giganda.komkon.org>
To: submit@bugz.apache.org
Subject: Apache consistently serving just a part of pdf file on the first request
Cc: ache@freebsd.org, ports@freebsd.org
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Hello!

I have noticed that apache1.3.14 as built from the port collection on a 
FreeBSD 3.5.1-RELEASE box  has the following [mis]behavior:

When a .pdf file is requested, first just a small part of it is transferred
The log file shows two records 
(both with a code of "206" and the amount of transferred bytes
smaller then the full size):
remote.host - - [31/Oct/2000:11:40:24 -0500] "GET /~user/cv.pdf HTTP/1.0" 206 12445
remote.host- - [31/Oct/2000:11:40:28 -0500] "GET /~user/cv.pdf HTTP/1.0" 206 1121

Netscape communicator (with an Acrobat plugin)
(4.75, an other 4.7x versions on winNT, MacOS-9,
and Irix) is used in all tests.
At times, on NT and on Mac the Netscape client was hanging completely.

When it is loading the file, first it is showing : xx% of FF kB,
where FF is the full file size, then it disappears, and
xx% of NN kB flashes,
where NN kB is the size that is smaller than the full file size,
and corresponds to the files logged in the access.log as mentioned above.

On the second request the file is usually served just alright.
I found that the same problems were reported to APACHE project
with the same problem while using MSIE.
(http://search.apache.org/) Reports #: 6711, 6715 6761, 6766)

After downgrading to 1.3.12 I found that there are no more problems
with this.
The Netscape shows similar indicator numbers as before,
and the log shows partial transfers (which I think correspond
to a partial pages, because the second set of message appeared after I
scrolled the pages in the document.

remote.host - - [31/Oct/2000:11:57:22 -0500] "GET /~igor/CV.pdf HTTP/1.0" 200 0
remote.host - - [31/Oct/2000:11:57:23 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 12444
remote.host - - [31/Oct/2000:11:57:27 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 1121
remote.host - - [31/Oct/2000:11:57:27 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 235


remote.host - - [31/Oct/2000:11:58:08 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 3748
remote.host - - [31/Oct/2000:11:58:09 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 4235
remote.host - - [31/Oct/2000:11:58:10 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 6116
remote.host - - [31/Oct/2000:11:58:13 -0500] "GET /~igor/CV.pdf HTTP/1.0" 206 1723

Regards,

Igor


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