2026-04-13T00:18:29.953794Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9792 2026-04-13T00:18:29.966907Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-04-13T00:18:31.036498Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-04-13T00:18:35.319727Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-04-13T00:18:37.728870Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-04-13T00:18:44.198063Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9839 2026-04-13T00:18:44.224241Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-04-13T00:18:44.880074Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-04-13T00:18:45.488112Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-04-13T00:18:45.488150Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-04-13T00:18:45.499219Z 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. 2026-04-13T00:18:45.515321Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-04-13T00:18:45.515373Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.oCsWJZTw3J/mysqld.sock' port: 0 (Ubuntu). 2026-04-13T00:18:45.537855Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-04-13T00:18:47.634408Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-04-13T00:18:49.732812Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9990 2026-04-13T00:18:49.741819Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-04-13T00:18:50.151716Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-04-13T00:18:50.964095Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-04-13T00:18:50.964136Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-04-13T00:18:50.998084Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-04-13T00:18:50.998917Z 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). 2026-04-13T00:18:54.061643Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-04-13T00:18:56.289884Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-04-13T00:18:56.794803Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10176 2026-04-13T00:18:56.806582Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-04-13T00:18:57.618321Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-04-13T00:18:57.905873Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-04-13T00:18:57.905916Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-04-13T00:18:57.950247Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-04-13T00:18:57.950617Z 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). 2026-04-13T00:24:31.436878Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-04-13T00:24:31.464346Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-04-13T00:24:31.494778Z 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-048803-0-lxd-3-relay-bin' to avoid this problem. 2026-04-13T00:24:31.516808Z 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=''. 2026-04-13T00:24:31.701614Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-04-13T00:24:31.703806Z 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.' 2026-04-13T00:24:31.703827Z 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.' 2026-04-13T00:24:31.777352Z 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=''. 2026-04-13T00:24:31.861741Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-04-13T00:24:32.148771Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-04-13T00:24:32.148814Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-04-13T00:24:32.149588Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-04-13T00:24:32.149630Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306 on view 17760398721469571:1.' 2026-04-13T00:24:32.749894Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-04-13T00:24:32.878180Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.218.134:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-04-13T00:24:32.880807Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-04-13T00:24:33.007459Z 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.' 2026-04-13T00:24:33.007499Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-04-13T00:24:33.007578Z 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.' 2026-04-13T00:24:33.007812Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-04-13T00:24:33.148696Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-04-13T00:24:35.843418Z 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=''. 2026-04-13T00:24:47.255811Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306, 252.129.75.154:3306 on view 17760398721469571:2.' 2026-04-13T00:24:49.246542Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.75.154:3306' 2026-04-13T00:24:49.246591Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306 on view 17760398721469571:3.' 2026-04-13T00:25:02.924401Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306, 252.129.75.154:3306 on view 17760398721469571:4.' 2026-04-13T00:25:03.212548Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.75.154:3306 was declared online within the replication group.' 2026-04-13T00:25:25.251286Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306, 252.129.238.240:3306, 252.129.75.154:3306 on view 17760398721469571:5.' 2026-04-13T00:25:28.166134Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.238.240:3306' 2026-04-13T00:25:28.166205Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306, 252.129.75.154:3306 on view 17760398721469571:6.' 2026-04-13T00:25:41.327471Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.218.134:3306, 252.129.238.240:3306, 252.129.75.154:3306 on view 17760398721469571:7.' 2026-04-13T00:25:41.854251Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.238.240:3306 was declared online within the replication group.'