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From Jerry Malcolm <>
Subject Login fails, then works subsequently (Tomcat 7)
Date Wed, 21 Dec 2011 20:39:59 GMT
About a month ago, I upgraded two different servers from TC 5 to TC 7.  The
migration went cleanly, and everything has been working fine with the
exception of one thing.   About 50% of the time, when I log in to the realm
for my web app (form-based login), the login will fail.  When I try again
with the same id/pw it works.  I can then log out and log back in
repeatedly with no problem.  But if I come back later and try to log on
again, same things.  Fails once, and then passes.

My authentication configuration hasn't changed for years on these webapps,
and this has worked solid on TC 5.  My database (MySQL) hasn't changed, and
the user tables are unchanged.  The only thing that has changed is TC 5-
-->TC 7.  And the problem has hit both servers, completely independent of
each other, other than they both got the TC 7 upgrade.

First of all, has anyone ever heard of this situation?  Second, any idea
how where/how to turn on detailed tracing/logging of the authentication
calls to see what might be going on in the authentication code in TC?  The
only information I'm getting is that the id/pw were not correct.  But
again, same id/pw becomes correct when I submit it a 2nd time.

The one thing I didn't change was the MySQL connector.  Should that have
been changed for TC 7? (Just guessing now)

Suggestions for how to proceed?



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