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From Robert Watkins <>
Subject Can I use single signon over multiple Tomcat instances?
Date Wed, 07 Nov 2001 00:39:44 GMT

We've got a web-based application, which for a variety of reasons runs over
multiple TomCat instances (different parts on different boxes, basically). I
don't want to go into those reasons right now, but suffice to say they

The standard installation that we have is a single Apache server, which
delegates work to Tomcat instances based on the URL provided, all configured
in the Currently, this is using Tomcat 3.2.3, but we plan
to move to Tomcat 4.0.1 "soonish".

We would like to use the single-sign-on capability of Tomcat 4.0. I
understand from reading the docs and searching the archive of the mailing
list that single-sign-on works only within a single virtual host.

What I would like to know is: can a single virtual host span multiple Tomcat
instances? And, if so, how? I was unable to find an answer to this in the
mailing list logs at all.

Thanks in advance,


Robert Watkins
Software Architect

QSI Payments
E-Payments Infrastructure - Secure Payments Solutions.

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