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From "Julie Kurpa" <>
Subject Re: [users@httpd] Show Alternate Image if Requested Image is Missing
Date Tue, 03 May 2016 15:16:29 GMT
Thanks Yehuda,

I tried your suggested code already and have just retried it.   The behavior is that all jpg's
are now not showing at all.    

>From what I tell from the rewrite.log, it is pasting the DocumentRoot path in front of
the path to the "no_sketch.jpg" for all JPG references.  

The DocumentRoot is "/mnt/data/pawebdata/docs"

Here's what the log shows is being used for the path to "no_sketch.jpg"


Note that I did not configure this Apache environment.  I'm coming in (inexperienced...but
not dumb) with the assignment to show "no_sketch.jpg" for missing JPGs in the /image/sketches
path and having to work with someone else's configuration. 
So I'll try to give the best information I can. 

Julie Kurpa
Sr. Systems Programmer
  119 W. Indiana Ave
  DeLand, FL  32720
  Office:  (386) 736-5960 x12875

>>> Yehuda Katz <> 5/3/2016 11:02 AM >>>
On Tue, May 3, 2016 at 10:52 AM, Julie Kurpa <> wrote:

> The sketches themselves are JPGs located within a directory on the Linux
> server.
> If the JPG for a property is found to be missing, I would like to show an
> alternate JPG called "no_sketch.jpg".

I've tried a gazillion variations of the RewriteRule and am now trying the
> Redirect.
> I'm completely at a loss.    Here is what I have in my
> vhosts.d/non-ssl.conf file for this step:
> <IfModule mod_rewrite.c>
>  RewriteEngine on
>  RewriteLog /var/log/apache2/rewrite.log
>  RewriteLogLevel 4
>  RewriteCond %{REQUEST_FILENAME} !-f
>  RewriteCond %{REQUEST_URI} "\.(gif|jpg|jpeg|png)$"
>  Redirect  .* 
> </IfModule>

You need to use RewriteRule, Redirect has nothing to do with RewriteCond.
Something like the following should be enough:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule \.(gif|jpe?g|png|bmp)$ /images/sketches/no_sketch.jpg [NC,L]

I also usually recommend not using the <IfModule> directive. If you want
this to work, you probably want the server to show an error if the rewrite
module isn't loaded rather than ignore the configuration.

- Y

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