2026-06-15T00:21:15.809818Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9867 2026-06-15T00:21:15.822262Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-15T00:21:22.280050Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-15T00:21:33.372916Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-06-15T00:21:43.750691Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-06-15T00:21:53.422080Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9916 2026-06-15T00:21:53.447606Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-15T00:21:54.847406Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-15T00:21:55.824558Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-06-15T00:21:55.826327Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-06-15T00:21:55.868168Z 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. 2026-06-15T00:21:55.885582Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-06-15T00:21:55.885712Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.ldwb0Rl9N3/mysqld.sock' port: 0 (Ubuntu). 2026-06-15T00:21:55.906751Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-06-15T00:21:58.721930Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-06-15T00:21:59.975427Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10065 2026-06-15T00:21:59.983881Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-15T00:22:00.951272Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-15T00:22:01.987635Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-06-15T00:22:02.015999Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-06-15T00:22:02.220792Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-06-15T00:22:02.220843Z 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). 2026-06-15T00:22:06.567329Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-06-15T00:22:07.875967Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-06-15T00:22:08.368577Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10250 2026-06-15T00:22:08.383283Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-15T00:22:09.334808Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-15T00:22:10.071220Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-06-15T00:22:10.071261Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-06-15T00:22:10.143787Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-06-15T00:22:10.143844Z 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). 2026-06-15T00:28:33.154432Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-06-15T00:28:33.154465Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-06-15T00:28:33.164465Z 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-7ad79c-0-lxd-5-relay-bin' to avoid this problem. 2026-06-15T00:28:33.177650Z 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=''. 2026-06-15T00:28:33.246961Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-06-15T00:28:33.248107Z 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.' 2026-06-15T00:28:33.248129Z 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.' 2026-06-15T00:28:33.272859Z 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=''. 2026-06-15T00:28:33.302788Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-06-15T00:28:33.452117Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-06-15T00:28:33.452173Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-06-15T00:28:33.452484Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-06-15T00:28:33.452503Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306 on view 17814833134519422:1.' 2026-06-15T00:28:33.758815Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-06-15T00:28:33.758956Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.19.54.153:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-06-15T00:28:33.759262Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-06-15T00:28:33.760510Z 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.' 2026-06-15T00:28:33.760535Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-06-15T00:28:33.760716Z 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.' 2026-06-15T00:28:33.760882Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-06-15T00:28:34.452142Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-06-15T00:28:35.009150Z 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=''. 2026-06-15T00:28:41.553084Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306, 252.19.137.218:3306 on view 17814833134519422:2.' 2026-06-15T00:28:43.550269Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.19.137.218:3306' 2026-06-15T00:28:43.550332Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306 on view 17814833134519422:3.' 2026-06-15T00:28:52.790861Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306, 252.19.137.218:3306 on view 17814833134519422:4.' 2026-06-15T00:28:52.968557Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.19.137.218:3306 was declared online within the replication group.' 2026-06-15T00:28:58.566091Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306, 252.19.137.218:3306, 252.19.44.8:3306 on view 17814833134519422:5.' 2026-06-15T00:29:00.562161Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.19.44.8:3306' 2026-06-15T00:29:00.562237Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306, 252.19.137.218:3306 on view 17814833134519422:6.' 2026-06-15T00:29:09.657862Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.19.54.153:3306, 252.19.137.218:3306, 252.19.44.8:3306 on view 17814833134519422:7.' 2026-06-15T00:29:09.870347Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.19.44.8:3306 was declared online within the replication group.'