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From Nuno Manuel Martins <nuno.mmartins_exte...@sonae.com>
Subject mod_jk and failover
Date Thu, 26 Mar 2009 11:59:43 GMT
Hi All,

First the versions I am using:
Tomcat 6.0.16
JRE 1.6.0_06
Mod_jk 1.2.25

Now for the problem we are experiencing:

                We are making some tests to use in production the TomCat Cluster with JK_Mod
and are using the 1 Apache with mod_jk and 2 TomCat servers..

                The test is based in a simple .jsp page that give us the localhost name, the
session id, and a login variable.

                To prove that is working we tested in the following way:

                - Failover from A to B
                - "Return Home" from B to A
                - Failover again from A to B

                To do the failover we tested in 2 different ways:

                - Kill -9 Tomcat
                - Stop worker in JK_Mod

                The Results:

                - Killing the Tomcat worked fine
                - When using the STOP/ACTIVATE options in jkmanager it works fine when going
from A to B, but when we re-ACTIVATE A and STOP B then the session ID is changed and all variables
are lost.

This seems a very strange behavior and any help would be appreciated. Should I direct this
inquiry into a specific mod_jk mailing list?

Thank you,
Nuno Manuel Martins
Tel.: +351 93 100 36 36
Sonaecom - SGPS, S.A.
IT IAM
Edifício Mar Mediterrâneo
Av. D. João II, Lote 1.06.2.4
1990-095 LISBOA


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