2026-01-12T00:18:47.429216Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9954 2026-01-12T00:18:47.444438Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-12T00:18:49.414769Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-12T00:18:53.607525Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-01-12T00:18:57.048830Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-12T00:19:04.019321Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10004 2026-01-12T00:19:04.053576Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-12T00:19:04.632776Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-12T00:19:05.197840Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-12T00:19:05.197907Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-12T00:19:05.211512Z 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. 2026-01-12T00:19:05.245136Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-01-12T00:19:05.245345Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.QMOePLQOBI/mysqld.sock' port: 0 (Ubuntu). 2026-01-12T00:19:05.279825Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-12T00:19:07.734604Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-12T00:19:09.500144Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10153 2026-01-12T00:19:09.508529Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-12T00:19:09.938699Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-12T00:19:10.260729Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-12T00:19:10.260773Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-12T00:19:10.298087Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-12T00:19:10.298105Z 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). 2026-01-12T00:19:13.408840Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-12T00:19:14.907130Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-12T00:19:15.335846Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10339 2026-01-12T00:19:15.346311Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-12T00:19:15.812437Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-12T00:19:16.077313Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-12T00:19:16.077356Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-12T00:19:16.112790Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-12T00:19:16.115889Z 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). 2026-01-12T00:24:58.074685Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-01-12T00:24:58.074729Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-01-12T00:24:58.086445Z 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-baca4f-0-lxd-4-relay-bin' to avoid this problem. 2026-01-12T00:24:58.103176Z 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=''. 2026-01-12T00:24:58.209944Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-01-12T00:24:58.212588Z 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.' 2026-01-12T00:24:58.212614Z 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.' 2026-01-12T00:24:58.257871Z 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='', source_port= 0, source_log_file='', source_log_pos= 4, source_bind=''. 2026-01-12T00:24:58.285874Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-01-12T00:24:58.519438Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-12T00:24:58.519508Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-01-12T00:24:58.520136Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-12T00:24:58.520157Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306 on view 17681774985193118:1.' 2026-01-12T00:24:58.820542Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-01-12T00:24:58.820680Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.125.199:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-01-12T00:24:58.821059Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-12T00:24:58.827226Z 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.' 2026-01-12T00:24:58.827260Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-01-12T00:24:58.827339Z 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.' 2026-01-12T00:24:58.827853Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-01-12T00:24:59.519494Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-01-12T00:25:00.207836Z 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=''. 2026-01-12T00:25:10.654611Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306, 252.129.191.50:3306 on view 17681774985193118:2.' 2026-01-12T00:25:13.634983Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.191.50:3306' 2026-01-12T00:25:13.635065Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306 on view 17681774985193118:3.' 2026-01-12T00:25:22.621792Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306, 252.129.191.50:3306 on view 17681774985193118:4.' 2026-01-12T00:25:22.925043Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.191.50:3306 was declared online within the replication group.' 2026-01-12T00:25:34.620102Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306, 252.129.191.50:3306, 252.129.209.26:3306 on view 17681774985193118:5.' 2026-01-12T00:25:36.543482Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.209.26:3306' 2026-01-12T00:25:36.543543Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306, 252.129.191.50:3306 on view 17681774985193118:6.' 2026-01-12T00:25:50.239944Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.125.199:3306, 252.129.191.50:3306, 252.129.209.26:3306 on view 17681774985193118:7.' 2026-01-12T00:25:50.635411Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.209.26:3306 was declared online within the replication group.'