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From "Robert Andersson" <>
Subject Re: apache 2.0.39 under NT large pdf file failure
Date Thu, 08 Aug 2002 06:07:34 GMT
I think this is due to Acrobat reading parts of the file. If it works, when
you first download the file from the server, then this is probably the case.
I think Acrobat might use some weird headers to retrieve a part at a time of
the file, and perhaps there is some misunderstanding between Apache and
Acrobat. Try to analyze the conversation between a server that work and a
client, and compare that with a similar test on your troublesom server.

Robert Andersson

----- Original Message -----
From: "Alex Moon" <>
To: <>
Sent: Wednesday, August 07, 2002 4:47 PM
Subject: apache 2.0.39 under NT large pdf file failure

> I have apache 2.0.39 running under NT recently upgraded from
> apache 1.3.19.  All works fine and quickly except for PDF files if
> they are lager than about 250kb. Small files seem to work.
> Files either load but look blank or files say they are damaged on
> the client browser - - quite often it will crash the clinet acrobat
> reader.
> Other format files download absolutley fine however big or small
> (tried upto 100mb file downloads and they work) - its just PDF.
> The files themsleves are fine as they load if put up onto my other
> webserver which runs under a different system.
> Looked through FAQ and done search but not found anyone iwth a
> similar problem.  The config files are similar to my version 1.3.19
> that worked fine.
> Mime types must be set up ok for it to read the file in the first
> place+reads small files ok.
> Not sure what avenue to follow now so any ideas greatly
> appreciated
> Thanks
> Alex
> Technical Manager
> Online Learning Support Unit
> Middlesex University Business School
> 020 8411 5092
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