2026-06-18T00:18:04.931550Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9889 2026-06-18T00:18:04.942076Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-18T00:18:06.011946Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-18T00:18:09.996665Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-06-18T00:18:11.804877Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-06-18T00:18:17.248013Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9936 2026-06-18T00:18:17.419109Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-18T00:18:17.801836Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-18T00:18:18.245199Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-06-18T00:18:18.245246Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-06-18T00:18:18.255238Z 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. 2026-06-18T00:18:18.293804Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-06-18T00:18:18.294225Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.23hV5BjTqX/mysqld.sock' port: 0 (Ubuntu). 2026-06-18T00:18:18.323340Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-06-18T00:18:19.884295Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-06-18T00:18:21.387269Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10081 2026-06-18T00:18:21.403511Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-18T00:18:21.902614Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-18T00:18:22.141108Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-06-18T00:18:22.141151Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-06-18T00:18:22.185086Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-06-18T00:18:22.185281Z 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). 2026-06-18T00:18:25.076934Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-06-18T00:18:26.587439Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-06-18T00:18:27.045834Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10266 2026-06-18T00:18:27.054970Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-06-18T00:18:27.366104Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-06-18T00:18:27.581385Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-06-18T00:18:27.581428Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-06-18T00:18:27.607603Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-06-18T00:18:27.607848Z 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). 2026-06-18T00:23:09.451391Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-06-18T00:23:09.451422Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-06-18T00:23:09.471849Z 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-941296-0-lxd-5-relay-bin' to avoid this problem. 2026-06-18T00:23:09.550800Z 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=''. 2026-06-18T00:23:09.647612Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-06-18T00:23:09.650674Z 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.' 2026-06-18T00:23:09.650695Z 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.' 2026-06-18T00:23:09.683502Z 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=''. 2026-06-18T00:23:09.730277Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-06-18T00:23:09.884087Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-06-18T00:23:09.884128Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-06-18T00:23:09.884265Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-06-18T00:23:09.884278Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306 on view 17817421898837825:1.' 2026-06-18T00:23:10.184793Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-06-18T00:23:10.185143Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.91.17:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-06-18T00:23:10.185490Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-06-18T00:23:10.188924Z 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.' 2026-06-18T00:23:10.188964Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-06-18T00:23:10.189567Z 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.' 2026-06-18T00:23:10.190801Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-06-18T00:23:10.883908Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-06-18T00:23:11.808125Z 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=''. 2026-06-18T00:23:18.987471Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306, 252.129.24.251:3306 on view 17817421898837825:2.' 2026-06-18T00:23:21.984114Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.24.251:3306' 2026-06-18T00:23:21.984194Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306 on view 17817421898837825:3.' 2026-06-18T00:23:30.636986Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306, 252.129.24.251:3306 on view 17817421898837825:4.' 2026-06-18T00:23:31.032173Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.24.251:3306 was declared online within the replication group.' 2026-06-18T00:23:38.995466Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306, 252.129.24.251:3306, 252.129.117.175:3306 on view 17817421898837825:5.' 2026-06-18T00:23:40.984036Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.117.175:3306' 2026-06-18T00:23:40.984103Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306, 252.129.24.251:3306 on view 17817421898837825:6.' 2026-06-18T00:23:50.408830Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.91.17:3306, 252.129.24.251:3306, 252.129.117.175:3306 on view 17817421898837825:7.' 2026-06-18T00:23:50.719562Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.117.175:3306 was declared online within the replication group.'