[Mod_gzip] Possible bug in handling outdated precompressed fi les

[Terry, Bill (MARC)]

See answers below.  I will keep watching this and experiment with it and see
if I can determine what is happening.

-----Original Message-----
From: Christian Kruse [mailto:CK1@wwwtech.de]
Sent: Tuesday, October 08, 2002 1:11 PM
To: mod_gzip@lists.over.net
Subject: Re: [Mod_gzip] Possible bug in handling outdated precompressed
files


Hello,

>On Tue, Oct 08, 2002 at 12:16:41PM -0400, Terry, Bill  (MARC) wrote:
>> Thanks for your reply.

>No problem.

>> I just updated a number of pages. About 50 of the larger ones had
>> precompressed versions on the Web server.

>Has the Webserver full access to these files?

Yes

>> I did not update the precompressed
>> files, but mod_gzip did as soon as I requested them through the browser
with
>> fail.

>Did I understand you correct? mod_gzip *tried* to update the files but
>failed? How did you notice that?  

Sorry, I left out six letters. It should say "I did not update the
precompressed files, but mod_gzip did as soon as I requested them through
the browser withOUT failING."

>> I work
>> on Windows PC's and sometimes use WIN_Gzip to gzip individual files, but
I
>> use GZIP from the command line if I want to compress numerous files.  It
>> could be that one of the gzip applications is doing something to the date
>> that mod_gzip cannot read.

> mod_gzip does not interpret the content of the precompressed files. It
> just sends them to the browser and it tries to overwrite them when it
> should update them. So it should be absolutely irrelevant which
> application you use to compress them.  That's what I thought.

>> But, that may be irrelevant, because when I FTP
>> the gz files to the Web server, the server always shows the date that the
>> file was copied to the server.

> Even if they have been updated by mod_gzip?

Once mod_gzip has updated it the date changes.   

>> This is always different from, and later
>> than, the Windows Created and Modified dates.

>Yes, of course. When you upload them it is nothing else then a copy of
>the original file, so the modification date of the file on the server is
>the date you uploaded them.  


Greetings,
 CK

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