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I have a Tomcat 7 running on CentOS.

Given is a configuration where I have my webapp "foo" placed in webapps/foo.war. I can access it without any problems using http://host.name/foo.

Now I want to get access to the same webapp using a 2nd URL - "http://host.name/bar".

Setting up a webserver in front of my Tomcat is not an option so I need something like mod_rewrite for Tomcat.

What I have tried so far is to setup another context like this:

<Context path="/bar" docBase="foo"/>

At first it seems to work, but at the second look it shows that this isn't actually an "alias" - it is a second instance from my webapp which really is not a valid option for me.

So... does anybody know how to get some kind of aliasing or URL rewriting for Tomcat?

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3 Answers

up vote 1 down vote accepted
+50

There is something similar to mod_rewrite for servlet containers called URL Rewrite. Taken from SO.

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Same problem. Using this config I have two seperate instances from my webapp (and so I have 2 different instance from my cache...) –  Pascal Schmiel May 2 '13 at 10:55
    
@pascal-schmiel I've updated my answer. –  fuero May 3 '13 at 5:42
    
I've put all the stuff in my ROOT webapp, added my rewrite rule and it's working perfect - thanks! –  Pascal Schmiel May 3 '13 at 14:12
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You might be able to find (a few exist) or write a small Java web app that reverse proxies from one URL pattern to another. See https://github.com/ahabra/reverse-proxy.

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In your special case, what about setting a symlink in your webapps directory?

Asume your directory looks like this:

ls webapps/
foo  foo.war

Just add a symlink to foo with the name bar:

ln -s foo bar

Getting this:

ls webapps/
foo  bar  foo.war
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looks like a great idea. sad news: with a symlink in my webapps directory I get a second webapp instance too ("bar" directory in work/Catalina/localhost/) –  Pascal Schmiel May 3 '13 at 13:41
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