Drupal Upgrade Access Problem - After following the instructions for upgrading (logging in as user=1; site on maintenance mode; etc.), I ran the update.php script. It ran fine, but when I tried to access my site, I could only see the site maintenance/offline message--the update logged me out!
Solution - To log in again, enter:
http://www.yourdrupalsite.com/?q=user
This presents a login page. I successfully logged in as user=1. After that, the upgrade went smooth.
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