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404 error for image: can I display an error image?

Posted on 2004-10-29
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Last Modified: 2010-03-04
Is there a way to let apache serve a custom error image when an image is requested that does not exist on the server?
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Question by:grexx
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6 Comments
 
LVL 27

Expert Comment

by:Diablo84
ID: 12448101
You can handle this with HTML if this is an option, eg:

<img src="animage.jpg" onerror="this.src='error_image.jpg'">

If the first image cannot be loaded the later will be loaded in its place.
0
 
LVL 1

Author Comment

by:grexx
ID: 12448929
It's a nice option, but it's especially meant for cases where I cannot control the html. So it has to be set on the server side.
0
 
LVL 38

Expert Comment

by:wesly_chen
ID: 12454482
Hi,

    You might want to check the following URL:
http://www.plinko.net/404/howto.asp?article=11

    Basically, create a file called .htaccess in the root directory of the server (the one you refer to as '/') and
have the following line in .htaccess:
-------
ErrorDocument 404 /errors/custom404.html
---------

   Then edit your own custom404.html page.

Regards,

Wesly
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LVL 1

Author Comment

by:grexx
ID: 12454725
Well, that's for *pages*. I need the same thing but then for *images*. In a page you refer to an image, but that specific image doesn't have to be available. In that case, I want to be able to display a standard error-image.
0
 
LVL 38

Accepted Solution

by:
wesly_chen earned 500 total points
ID: 12455038
Hi,
   You can redirect to a PERL/CGI script as follow:
------
ErrorDocument 404 /errors/custom404.cgi
-----
   Then in the CGI script, check the page extention (jpg, gif, or html)
and redirect to different 404 error message page. (404image.html and 404general.html)

   And you customize the those pages (404image.html and 404general.html).

Wesly
0
 
LVL 38

Expert Comment

by:wesly_chen
ID: 12455046
By the way, error code 404 means the page in the URL is not found. This URL can be an HTML, CGI, or image.

Wesly
0

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