2026-01-22T00:18:21.198399Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9655 2026-01-22T00:18:21.210334Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-22T00:18:23.220859Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-22T00:18:26.071993Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-01-22T00:18:29.114417Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-22T00:18:34.740322Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9702 2026-01-22T00:18:34.774395Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-22T00:18:35.458671Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-22T00:18:35.861250Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-22T00:18:35.861293Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-22T00:18:35.872092Z 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. 2026-01-22T00:18:35.890751Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.NzwYXlfjgq/mysqld.sock' port: 0 (Ubuntu). 2026-01-22T00:18:35.891372Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-01-22T00:18:35.915233Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-22T00:18:37.582538Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-22T00:18:39.075686Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9849 2026-01-22T00:18:39.085649Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-22T00:18:39.732586Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-22T00:18:40.146064Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-22T00:18:40.149999Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-22T00:18:40.190283Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-22T00:18:40.190439Z 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). 2026-01-22T00:18:44.054079Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-22T00:18:45.444041Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-22T00:18:45.851371Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10032 2026-01-22T00:18:45.859806Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-22T00:18:46.179830Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-22T00:18:46.572326Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-22T00:18:46.572364Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-22T00:18:46.605522Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-22T00:18:46.605686Z 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). 2026-01-22T00:28:56.384285Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-01-22T00:28:56.384325Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-01-22T00:28:56.394369Z 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-f748f2-0-lxd-4-relay-bin' to avoid this problem. 2026-01-22T00:28:56.406485Z 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=''. 2026-01-22T00:28:56.471407Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-01-22T00:28:56.473407Z 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.' 2026-01-22T00:28:56.473428Z 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.' 2026-01-22T00:28:56.504559Z 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=''. 2026-01-22T00:28:56.529976Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-01-22T00:28:56.710328Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-22T00:28:56.710386Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-01-22T00:28:56.710684Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-22T00:28:56.710723Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.16.135:3306 on view 17690417367017698:1.' 2026-01-22T00:28:57.011393Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-01-22T00:28:57.011495Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.23.16.135:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-01-22T00:28:57.013259Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-22T00:28:57.019967Z 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.' 2026-01-22T00:28:57.019998Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-01-22T00:28:57.020068Z 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.' 2026-01-22T00:28:57.020550Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-01-22T00:28:57.701939Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-01-22T00:28:58.255951Z 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=''. 2026-01-22T00:29:04.804148Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.48.219:3306, 252.23.16.135:3306 on view 17690417367017698:2.' 2026-01-22T00:29:06.800804Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.23.48.219:3306' 2026-01-22T00:29:06.800867Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.16.135:3306 on view 17690417367017698:3.' 2026-01-22T00:29:16.238380Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.48.219:3306, 252.23.16.135:3306 on view 17690417367017698:4.' 2026-01-22T00:29:16.503176Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.23.48.219:3306 was declared online within the replication group.' 2026-01-22T00:29:26.823838Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.199.204:3306, 252.23.48.219:3306, 252.23.16.135:3306 on view 17690417367017698:5.' 2026-01-22T00:29:28.693461Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.23.199.204:3306' 2026-01-22T00:29:28.693524Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.48.219:3306, 252.23.16.135:3306 on view 17690417367017698:6.' 2026-01-22T00:29:37.948889Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.199.204:3306, 252.23.48.219:3306, 252.23.16.135:3306 on view 17690417367017698:7.' 2026-01-22T00:29:38.196448Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.23.199.204:3306 was declared online within the replication group.'