Hello together, I recently ran into an issue which probably has nothing to do with tomcat. But because I don't know how to get rid of it or what the cause for this issue is I want to make sure that I have taken all chances.
Just a short architecture overview. We have a Loadbalancer which roundrobin addresses 2 Apache 2.2. which passes their requests via mod_proxy balancer to 2 tomcat 5.5.26 servers which are configured identical and have also clustering enabled. The application is located only on the tomcats. So what we have is a redirected response from a failed login process. As example we have an login mask and while tryinig to login we put the username "Tester" in the username inputfield send the form away and get a login error message and the following URL string: http://mytestsystem/login.action?login_error=1&u=Tester In the input field the value Tester is still set. This result is as expected, but from time to time we saw the following URL string returned http://mytestsystem/login.action?login_error=1&u=OtherUser although we sent the form with Tester as value away. But now in the input field it is also OtherUser set. We have checked Loadbalancer rewrites(possible Proxywrites) and fount nothing. The behaviour seem to appear if we have much load on these systems. Does anybody have any idea where I should start my investigation. I would assume the application does have a problem with session handling or a corruptable redirection method but the developer told us everything is fine. Mit freundlichen Grüßen / Yours sincerely Uwe Hellmann T-Systems International GmbH Production CSS GCU Large Accounts AC Express & Logistics LT1 Gradestr. 20, 30163 Hannover +49 511 333 - 1233 (Tel.) +49 511 333 - 1287 (Fax) Email: uwe.hellm...@t-systems.com<mailto:uwe.hellm...@t-systems.com> Internet: http://www.t-systems.com<http://www.t-systems.com/> T-Systems International GmbH Aufsichtsrat: René Obermann (Vorsitzender) Geschäftsführung: Reinhard Clemens (Vorsitzender), Dr. Ferri Abolhassan, Ulrich Meister, Georg Pepping, Hagen Rickmann, Dietmar Wendt, Klaus Werner Handelsregister: Amtsgericht Frankfurt am Main HRB 55933 Sitz der Gesellschaft: Frankfurt am Main Notice: This transmittal and/or attachments may be privileged or confidential. If you are not the intended recipient, you are hereby notified that you have received this transmittal in error; any review, dissemination, or copying is strictly prohibited. If you received this transmittal in error, please notify us immediately by reply and immediately delete this message and all its attachments. Thank you.
