In case it's useful, I also have this in the debug log:

IP: 127.0.0.1 Start command line script update.php [caches] cluster: EmptyBagOStuff, WAN: mediawiki-main-default, stash: db-replicated, message: SqlBagOStuff, session: SqlBagOStuff [caches] LocalisationCache: using store LCStoreNull [DBConnection] Wikimedia\Rdbms\LoadBalancer::openConnection: calling initLB() before first connection. [DBReplication] Wikimedia\Rdbms\LBFactory::getChronologyProtector: using request info { "IPAddress": "127.0.0.1", "UserAgent": false, "ChronologyProtection": false, "ChronologyPositionIndex": 0 } [DBConnection] Wikimedia\Rdbms\LoadBalancer::openConnection: failed to connect to database 0 at 'localhost'. [DBConnection] Wikimedia\Rdbms\LoadBalancer::reportConnectionError: connection error: Unknown error ([Null]) [exception] [6b70dd5bdc9deadcca99506a] [no req] Wikimedia\Rdbms\DBConnectionError from line 1004 of /usr/share/mediawiki/includes/libs/rdbms/d atabase/Database.php: Cannot access the database: No database connection #0 [...etc. same as below]

-------- Original Message -------- (MI, 2020-11-29 11:23)

I upgraded a Debian 9 "Stretch" server to Debian 10 "Buster", which also upgrades Mediawiki to version 1.31.

Trying to run update.php, it fails with "Cannot access the database: No database connection":

/var/lib/mediawiki/maintenance# php update.php MediaWiki 1.31.10 Updater

Your composer.lock file is up to date with current dependencies! [6b70dd5bdc9deadcca99506a] [no req] Wikimedia\Rdbms\DBConnectionError from line 1004 of /usr/share/mediawiki/includes/libs/rdbms/database/Database.php: Cannot access the database: No database connection Backtrace: #0 /usr/share/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1140): Wikimedia\Rdbms\Database->reportConnectionError(string) #1 /usr/share/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(750): Wikimedia\Rdbms\LoadBalancer->reportConnectionError() #2 /usr/share/mediawiki/includes/GlobalFunctions.php(2813): Wikimedia\Rdbms\LoadBalancer->getConnection(integer, array, boolean) #3 /usr/share/mediawiki/maintenance/Maintenance.php(1311): wfGetDB(integer, array, boolean) #4 /usr/share/mediawiki/maintenance/update.php(147): Maintenance->getDB(integer) #5 /usr/share/mediawiki/maintenance/doMaintenance.php(94): UpdateMediaWiki->execute() #6 /usr/share/mediawiki/maintenance/update.php(248): require_once(string) #7 {main}

The database is Postgresql, and I can access it fine with psql etc.

In LocalSettings.php I have

## Database settings $wgDBtype = "postgres"; $wgDBserver = "localhost"; $wgDBname = "wikidb"; $wgDBuser = "...hidden..."; $wgDBpassword = "...hidden...";

# Postgres specific settings $wgDBport = "5432"; $wgDBmwschema = "mediawiki"; $wgDBts2schema = "public";

Thanks for any help...

MI

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