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I need to setup apache so that any goes over ajp into tomcat, but regular files will go through apache still.

I have been messing around with this to no avail

<LocationMatch "./*/servlet/*">
Order Allow,Deny
Allow from all
ProxyPass ajp://localhost:8009/
ProxyPassReverse /

This works at directing everything to our tomcat insance.

ProxyPass      /       ajp://localhost:8009/

Edit: I can verify the regex is correct but its still not sending it to proxy ajp. I also just reverified that ProxyPass / ajp://localhost:8009/ still works so I know ajp is good and I know the regex is good, but why is it still not working :\

RewriteRule ^(.*)/servlet/(.*)$ ajp://localhost:8009/$1 [P]
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You need to match against the hostname as well as the path? – araqnid Jan 23 '11 at 23:17
up vote 1 down vote accepted

I tend to use mod_rewrite for things like this, which allows you to apply a regular expression to the incoming URI. For example:

RewriteRule ^/((kaptcha|barcode)/view/(.*))$ ajp://$1 [P]

This proxies /kaptcha/view/nnnn to ajp:// The [P] at the end is a flag to indicate that the request is to be proxied, not redirected.

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Can I do this if I don't know what all the sites will be and where they need to goto? They deploy and remove services fairly regularly. And all I know is need to goto tomcat just like that. – The Digital Ninja Jan 13 '11 at 20:13
RewriteRule ^/(()/servlet/(.))$ ajp://$1/servlet/$2 [P] Something like this? Edit: Bah its adding in stuff when i post in comments. But you get the idea – The Digital Ninja Jan 13 '11 at 20:14
Should be something like RewriteRule ^/(site\.com/(.+)/servlet/(.+)) ajp://localhost:8009/$1 [P] ... are you familiar with using regular expressions to match text? – araqnid Jan 13 '11 at 20:15
yes, looks like you've got the idea – araqnid Jan 13 '11 at 20:16

For the sake of simplicity, use mod_jk. It allows you to "mount" specific directories, so that you'll have something like this:

LoadModule jk_module modules/
<IfModule mod_jk.c>
    JKMount       /some_context/*        ajp13
    JKMount       /another_context/*     ajp13

Alias /images /some/directory/served_by_apache

And so on.

This would not only simplify your configs, but would also provide you with the exact functionality you require.

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