Unexpected non-MediaWiki exception encountered, of type "RedisException"
exception 'RedisException' with message 'read error on connection' in /var/www/ISWiki/prod/current/lib/includes/GlobalFunctions.php:3377
Stack trace:
#0 /var/www/ISWiki/prod/current/lib/includes/GlobalFunctions.php(3377): session_start()
#1 /var/www/ISWiki/prod/current/lib/includes/specials/SpecialUserlogin.php(151): wfSetupSession()
#2 /var/www/ISWiki/prod/current/lib/includes/SpecialPageFactory.php(476): LoginForm->execute(NULL)
#3 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(263): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#4 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(593): MediaWiki->performRequest()
#5 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(503): MediaWiki->main()
#6 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#7 {main}
#0 /var/www/ISWiki/prod/current/lib/includes/GlobalFunctions.php(3377): session_start()
#1 /var/www/ISWiki/prod/current/lib/includes/specials/SpecialUserlogin.php(151): wfSetupSession()
#2 /var/www/ISWiki/prod/current/lib/includes/SpecialPageFactory.php(476): LoginForm->execute(NULL)
#3 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(263): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#4 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(593): MediaWiki->performRequest()
#5 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(503): MediaWiki->main()
#6 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#7 {main}