march 31, late night

after editing Yanns talk:

Sorry! We could not process your edit due to a loss of session data.

You might have been logged out. Please verify that you're still logged in and try again. If it still does not work, try logging out and logging back in, and check that your browser allows cookies from this site.

There seems to be a problem with your login session; this action has been canceled as a precaution against session hijacking. Go back to the previous page, reload that page and then try again.

after editing Jeffs talk:

Sorry! We could not process your edit due to a loss of session data.

You might have been logged out. Please verify that you're still logged in and try again. If it still does not work, try logging out and logging back in, and check that your browser allows cookies from this site.

After I logged out and the I tried to log in again I've got this message

There seems to be a problem with your login session; this action has been canceled as a precaution against session hijacking. Go back to the previous page, reload that page and then try again.

= April 1 in the mornig

about 08:05 CET: site down, following messages:

Sorry! This site is experiencing technical difficulties. Try waiting a few minutes and reloading. (Cannot access the database)

Backtrace:

0 /var/www/html/includes/libs/rdbms/loadbalancer/LoadBalancer.php(897): Database->reportConnectionError('Unknown error (...')
1 /var/www/html/includes/libs/rdbms/loadbalancer/LoadBalancer.php(572): LoadBalancer->reportConnectionError()
2 /var/www/html/includes/GlobalFunctions.php(3075): LoadBalancer->getConnection(-1, Array, false)
3 /var/www/html/includes/user/User.php(478): wfGetDB(-1)
4 /var/www/html/includes/libs/objectcache/WANObjectCache.php(884): User->{closure}(false, 3600, Array, NULL)
5 [internal function]: WANObjectCache->{closure}(false, 3600, Array, NULL)
6 /var/www/html/includes/libs/objectcache/WANObjectCache.php(1004): call_user_func_array(Object(Closure), Array)
7 /var/www/html/includes/libs/objectcache/WANObjectCache.php(890): WANObjectCache->doGetWithSetCallback('global:user:id:...', 3600, Object(Closure), Array, NULL)
8 /var/www/html/includes/user/User.php(496): WANObjectCache->getWithSetCallback('global:user:id:...', 3600, Object(Closure), Array)
9 /var/www/html/includes/user/User.php(437): User->loadFromCache()
10 /var/www/html/includes/user/User.php(401): User->loadFromId(0)
11 /var/www/html/includes/session/UserInfo.php(88): User->load()
12 /var/www/html/includes/session/CookieSessionProvider.php(119): MediaWiki\Session\UserInfo::newFromId('2')
13 /var/www/html/includes/session/SessionManager.php(486): MediaWiki\Session\CookieSessionProvider->provideSessionInfo(Object(WebRequest))
14 /var/www/html/includes/session/SessionManager.php(189): MediaWiki\Session\SessionManager->getSessionInfoForRequest(Object(WebRequest))
15 /var/www/html/includes/WebRequest.php(735): MediaWiki\Session\SessionManager->getSessionForRequest(Object(WebRequest))
16 /var/www/html/includes/session/SessionManager.php(128): WebRequest->getSession()
17 /var/www/html/includes/Setup.php(759): MediaWiki\Session\SessionManager::getGlobalSession()
18 /var/www/html/includes/WebStart.php(137): require_once('/var/www/html/i...')
19 /var/www/html/index.php(40): require('/var/www/html/i...')
20 {main}