We've got two different machines (both Windows Server something) running
Tomcat 7.0.22, and each running a webapp that uses user authentication.
We're using a couple of different schemes (LDAP and database using
JDBCRealm with hashed pwords, just database with hashed pwords).
When no one has logged in for a while (90 minutes seems to do the
trick), the next login takes almost exactly 40 seconds on one host and
almost exactly 20 seconds on the other one.
Hitting a page in one of the webapps that hits the database for
application data, without requiring login, works fast even if it's been
idle for hours. But then try to login and I get a 40 second delay after
whacking the "Log in" button on the login form. Looking at it in more
detail, the host and app with a 40-second delay has two JDBCRealms
configured, both inside of a combined realm.
Are we seeing a 20-second delay in getting authentication via JDBCRealm?
Suggestions on troubleshooting this?
David
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