2026-04-20T14:44:19.313024Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9894
2026-04-20T14:44:19.330031Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T14:44:21.431154Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T14:44:25.842794Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2026-04-20T14:44:29.385492Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-20T14:44:35.847218Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9942
2026-04-20T14:44:35.884258Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T14:44:36.964317Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T14:44:37.438062Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-20T14:44:37.438142Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-20T14:44:37.449570Z 0 [Warning] [MY-011810] [Server] Insecure configuration for --pid-file: Location '/tmp' in the path is accessible to all OS users. Consider choosing a different directory.
2026-04-20T14:44:37.482999Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2026-04-20T14:44:37.483258Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/tmp/tmp.IJWtWkrFPh/mysqld.sock'  port: 0  (Ubuntu).
2026-04-20T14:44:37.530186Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-20T14:44:39.022185Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-04-20T14:44:40.821886Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10087
2026-04-20T14:44:40.832406Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T14:44:41.293151Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T14:44:41.684195Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-20T14:44:41.684243Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-20T14:44:41.721685Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu).
2026-04-20T14:44:41.721756Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-04-20T14:44:46.654258Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-20T14:44:48.003652Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-04-20T14:44:48.453435Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10268
2026-04-20T14:44:48.462791Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T14:44:49.043104Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T14:44:49.379992Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-20T14:44:49.380040Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-20T14:44:49.429310Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-04-20T14:44:49.429584Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu).
2026-04-20T14:50:19.322525Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory'
2026-04-20T14:50:19.322566Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot'
2026-04-20T14:50:19.351352Z 14 [Warning] [MY-010604] [Repl] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a replica and has his hostname changed!! Please use '--relay-log=juju-e9eddd-0-lxd-3-relay-bin' to avoid this problem.
2026-04-20T14:50:19.380764Z 14 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL '__mysql_innodb_cluster_creating_cluster__' executed'. Previous state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. New state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''.
2026-04-20T14:50:19.531523Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-04-20T14:50:19.533135Z 14 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv4 localhost address to the allowlist. It is mandatory that it is added.'
2026-04-20T14:50:19.533155Z 14 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv6 localhost address to the allowlist. It is mandatory that it is added.'
2026-04-20T14:50:19.572968Z 19 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_applier' executed'. Previous state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. New state source_host='<NULL>', source_port= 0, source_log_file='', source_log_pos= 4, source_bind=''.
2026-04-20T14:50:19.645535Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-04-20T14:50:20.012154Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-20T14:50:20.031464Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2026-04-20T14:50:20.034566Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-20T14:50:20.051863Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.94.241:3306 on view 17766966200118647:1.'
2026-04-20T14:50:20.353247Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2026-04-20T14:50:20.353354Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.94.241:3306 was elected. The new primary will execute all previous group transactions before allowing writes.'
2026-04-20T14:50:20.356750Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-20T14:50:20.358558Z 27 [System] [MY-013731] [Repl] Plugin group_replication reported: 'The member action "mysql_disable_super_read_only_if_primary" for event "AFTER_PRIMARY_ELECTION" with priority "1" will be run.'
2026-04-20T14:50:20.358585Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2026-04-20T14:50:20.358667Z 27 [System] [MY-013731] [Repl] Plugin group_replication reported: 'The member action "mysql_start_failover_channels_if_primary" for event "AFTER_PRIMARY_ELECTION" with priority "10" will be run.'
2026-04-20T14:50:20.358949Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.'
2026-04-20T14:50:21.012062Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-04-20T14:50:21.678906Z 14 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. New state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''.
2026-04-20T14:50:39.221135Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.94.241:3306, 252.129.172.204:3306 on view 17766966200118647:2.'
2026-04-20T14:50:42.058997Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.172.204:3306'
2026-04-20T14:50:42.059094Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.94.241:3306 on view 17766966200118647:3.'
2026-04-20T14:50:51.091605Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.94.241:3306, 252.129.172.204:3306 on view 17766966200118647:4.'
2026-04-20T14:50:51.652368Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.172.204:3306 was declared online within the replication group.'
2026-04-20T14:51:17.104569Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.33.139:3306, 252.129.94.241:3306, 252.129.172.204:3306 on view 17766966200118647:5.'
2026-04-20T14:51:20.004854Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.33.139:3306'
2026-04-20T14:51:20.004955Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.94.241:3306, 252.129.172.204:3306 on view 17766966200118647:6.'
2026-04-20T14:51:32.769792Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.33.139:3306, 252.129.94.241:3306, 252.129.172.204:3306 on view 17766966200118647:7.'
2026-04-20T14:51:33.216170Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.33.139:3306 was declared online within the replication group.'