2026-05-28T00:18:44.751007Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9516 2026-05-28T00:18:44.766195Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-28T00:18:45.597408Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-28T00:18:50.265581Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-05-28T00:18:53.968895Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-05-28T00:18:59.198404Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9564 2026-05-28T00:18:59.228584Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-28T00:19:00.064712Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-28T00:19:00.424836Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-28T00:19:00.426374Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-28T00:19:00.434916Z 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. 2026-05-28T00:19:00.457430Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.VcAyACPTOK/mysqld.sock' port: 0 (Ubuntu). 2026-05-28T00:19:00.457471Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-05-28T00:19:00.487035Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-05-28T00:19:02.080552Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-05-28T00:19:03.615042Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9709 2026-05-28T00:19:03.621573Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-28T00:19:03.907524Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-28T00:19:04.146652Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-28T00:19:04.146690Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-28T00:19:04.205341Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-05-28T00:19:04.206635Z 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). 2026-05-28T00:19:07.438049Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-05-28T00:19:08.613257Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-05-28T00:19:09.022056Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9892 2026-05-28T00:19:09.030156Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-28T00:19:09.397734Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-28T00:19:09.646553Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-28T00:19:09.646592Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-28T00:19:09.671102Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-05-28T00:19:09.671282Z 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). 2026-05-28T00:28:34.123517Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-05-28T00:28:34.123560Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-05-28T00:28:34.129434Z 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-fc2495-0-lxd-4-relay-bin' to avoid this problem. 2026-05-28T00:28:34.143520Z 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=''. 2026-05-28T00:28:34.220501Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-05-28T00:28:34.221901Z 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.' 2026-05-28T00:28:34.221918Z 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.' 2026-05-28T00:28:34.248962Z 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=''. 2026-05-28T00:28:34.276135Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-05-28T00:28:34.413192Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-05-28T00:28:34.413249Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-05-28T00:28:34.413558Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-05-28T00:28:34.413576Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.21.245:3306 on view 17799281144131026:1.' 2026-05-28T00:28:34.714384Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-05-28T00:28:34.714477Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.23.21.245:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-05-28T00:28:34.714901Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-05-28T00:28:34.716471Z 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.' 2026-05-28T00:28:34.716503Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-05-28T00:28:34.716570Z 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.' 2026-05-28T00:28:34.717984Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-05-28T00:28:35.413310Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-05-28T00:28:35.940981Z 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=''. 2026-05-28T00:28:41.519357Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.121.24:3306, 252.23.21.245:3306 on view 17799281144131026:2.' 2026-05-28T00:28:43.515939Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.23.121.24:3306' 2026-05-28T00:28:43.516005Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.21.245:3306 on view 17799281144131026:3.' 2026-05-28T00:28:52.658216Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.121.24:3306, 252.23.21.245:3306 on view 17799281144131026:4.' 2026-05-28T00:28:52.852212Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.23.121.24:3306 was declared online within the replication group.' 2026-05-28T00:28:58.665802Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.217.244:3306, 252.23.121.24:3306, 252.23.21.245:3306 on view 17799281144131026:5.' 2026-05-28T00:29:00.662697Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.23.217.244:3306' 2026-05-28T00:29:00.662767Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.121.24:3306, 252.23.21.245:3306 on view 17799281144131026:6.' 2026-05-28T00:29:09.702402Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.23.217.244:3306, 252.23.121.24:3306, 252.23.21.245:3306 on view 17799281144131026:7.' 2026-05-28T00:29:09.938958Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.23.217.244:3306 was declared online within the replication group.'