Can I do a URL Rewrite to a different Tomcat instance?

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+1 Q:

Can I do a URL Rewrite to a different Tomcat instance?

Is is possible to use Tuckey's URL Rewrite to rewrite to a different Tomcat instance? I have it working using crossContext="true" rewriting to a different servlet on the same tomcat instance, but our production server has multiple tomcat instances running and I want to rewrite to one of them instead?

If it's not possible using the URL Rewrite filter, is there another way of doing it?

Thanks.

+1 A:

If you want to proxy the request then you need to use mod_jk or mod_proxy in Apache to proxy the request to a different machine. If you are OK with issuing a redirect then it should work fine with just URL Rewrite.

Taylor Leese 2010-03-23 22:54:15

If I understand the question correctly, Apache isn't an option as the request was already forwarded to a Tomcat instance. It it would be possible to redirect directly to the correct instance from a proxy the question would be more or less obsolete anyway.

sfussenegger 2010-03-23 23:01:52

I was implying that he would need to put Apache in front of his Tomcat instance and then handle the proxying with Apache.

Taylor Leese 2010-03-23 23:08:51

+1 A:

You can't simply rewrite to another instance. You'd either have to fetch the content from another instance (e.g. using `new URL("http://localhost:8081/foo").openConnection()....´) or redirect the client using a 30x redirect. If you have a proxy in front of your Tomcats, you might be able to configure it to resolve the redirect directly instead of sending it to the client.

sfussenegger 2010-03-23 22:55:34

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Can I do a URL Rewrite to a different Tomcat instance?

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