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From Rob Hartill <>
Subject [BUG]: "PDF served by 1.2bX can't be read by Netscape Win95 Acrobat Plugin" on Solaris 2.x (fwd)
Date Wed, 05 Feb 1997 14:24:06 GMT

---------- Forwarded message ----------
Date: Tue Feb 4 21:05:04 1997
Subject: [BUG]: "PDF served by 1.2bX can't be read by Netscape Win95 Acrobat Plugin" on Solaris

Operating system: Solaris 2.x, version: 
Version of Apache Used: 1.2b6
Extra Modules used: 
URL exhibiting problem: 


Just sending this along in case you hadn't seen
the flurry of discussion about this problem in
the comp.text.pdf and comp.infosystems.www.servers.unix
newsgroups.  Here is a good description of the
problem from a newsgroup post.  I am seeing the
exact same behavior...

From: (Rusty Mase)
Newsgroups: comp.text.pdf
Subject: http 1.1 and PDF
Date: Thu, 30 Jan 1997 18:07:37 GMT
Organization: Environmental Technical Services Co.
Lines: 42
Message-ID: <>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-RTcode: ef3c094e32bd28a89bf0e397
X-Newsreader: Forte Agent .99f/32.299

My ISP just upgraded to  Apache 1.2b1 which has disabled my ability to
download the larger PDF documents from my site using Win 95/Netscape
3.0 with Adobe Reader plug-in.  The files appear to download properly
but the Adobe Reader stays minimized on the toolbar and does not open
the file.  Additionally, a pdf file is not placed in cache.  Other
operating systems seem to work okay and I can successfully "save link
as" under Netscape set-up.  Smaller files 15 Kb or so also work fine
using the plug-in.

The problem may be related to the new 206 Partial Content Status Code
in http 1.1 as the file tries to download to Netscape using both 200
and 206 sequentially and the combination of the two does not download
a reviewable file.

My access logs review the following sequence of events:

"GET /pdf/13de96e.pdf HTTP/1.0" 200 24576
"GET /pdf/13de96e.pdf HTTP/1.0" 206 327875

while my error log has the following entry timed with the first access
line:            send lost connection to client

My question is does Netscape or Adobe Reader originate the 206
"partial GET request" and my server does not know how to handle it?

Is there any relations between the 206 "partial GET request" and
optimized PDF documents (my files are not optimized).

Or, does my ISP merely have his new configurations set wrong and I
will just have to wait until they get it right?

Apologies in advance for the topic here but I know of no better forum.

Rusty Mase




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