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How to redirect to another server when the first server can't serve the page

Posted on 2004-08-04
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Last Modified: 2010-03-04
Can anybody help. I am using Oracle iAS (10g) which uses the Apache Web Server. I have two identical servers hosting the same application. I want clients to be able to request the app from the first server, but if this server can't serve the exact page asked for then the second server will send the page. Effectively I want url redirection, but only if the page requested by the initial url can't be served. How do I check that the page can't be served and then how do I initiate redirection to server 2?

Please help!

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Question by:jasperkirkman
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TomDavidson earned 500 total points
ID: 11716975
This will forward all requests for pages that don't exist to another domain, kinda like a 404 document. It can be put in an .htaccess file or within the virtualhost section of the conf file.

#Initiate the rewrite engine
RewriteEngine on

#Check file does NOT exist
RewriteCond %{DOCUMENT_ROOT}%{REQUEST_FILENAME} !-f

#Rewrite url to request from other server
#R flag sends "302 - Moved Temporarily" status to browser to initiate redirect
#L flag instructs rewrite to not process other rewrites
RewriteRule    ^/(.*)$    http://www.otherdomain.com/$1    [R,L]
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