2026-02-26T00:24:56.117673Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9713 2026-02-26T00:24:56.128171Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-02-26T00:24:58.642547Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-02-26T00:25:03.667213Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-02-26T00:25:08.389179Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-02-26T00:25:13.670711Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9761 2026-02-26T00:25:13.751448Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-02-26T00:25:14.770125Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-02-26T00:25:15.564588Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-02-26T00:25:15.564654Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-02-26T00:25:15.601620Z 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. 2026-02-26T00:25:15.635153Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-02-26T00:25:15.635366Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.IMaImwHpSN/mysqld.sock' port: 0 (Ubuntu). 2026-02-26T00:25:15.695858Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-02-26T00:25:17.826213Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-02-26T00:25:20.433994Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9910 2026-02-26T00:25:20.755003Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-02-26T00:25:22.820355Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-02-26T00:25:23.429245Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-02-26T00:25:23.429302Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-02-26T00:25:23.477613Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-02-26T00:25:23.477731Z 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). 2026-02-26T00:25:28.305086Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-02-26T00:25:29.825230Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-02-26T00:25:30.422981Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10090 2026-02-26T00:25:30.512738Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-02-26T00:25:31.404755Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-02-26T00:25:31.974521Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-02-26T00:25:31.977212Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-02-26T00:25:32.036086Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-02-26T00:25:32.036209Z 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). 2026-02-26T00:28:04.130533Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-02-26T00:28:04.130600Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-02-26T00:28:04.155806Z 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-3efda3-0-lxd-4-relay-bin' to avoid this problem. 2026-02-26T00:28:04.182374Z 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=''. 2026-02-26T00:28:04.298953Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-02-26T00:28:04.300671Z 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.' 2026-02-26T00:28:04.300701Z 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.' 2026-02-26T00:28:04.342226Z 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=''. 2026-02-26T00:28:04.402872Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-02-26T00:28:04.728690Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-02-26T00:28:04.728749Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-02-26T00:28:04.730518Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-02-26T00:28:04.730554Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306 on view 17720656847283835:1.' 2026-02-26T00:28:05.030152Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-02-26T00:28:05.030318Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.141.168.220:3306 was elected. The new primary will execute all previous group transactions before allowing writes.' 2026-02-26T00:28:05.030755Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-02-26T00:28:05.032513Z 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.' 2026-02-26T00:28:05.032546Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-02-26T00:28:05.032628Z 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.' 2026-02-26T00:28:05.033028Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.' 2026-02-26T00:28:05.728606Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-02-26T00:28:06.442826Z 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=''. 2026-02-26T00:28:11.839209Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306, 252.141.85.99:3306 on view 17720656847283835:2.' 2026-02-26T00:28:14.834813Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.141.85.99:3306' 2026-02-26T00:28:14.834901Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306 on view 17720656847283835:3.' 2026-02-26T00:28:27.891932Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306, 252.141.85.99:3306 on view 17720656847283835:4.' 2026-02-26T00:28:28.217734Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.141.85.99:3306 was declared online within the replication group.' 2026-02-26T00:29:06.829551Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306, 252.141.85.99:3306, 252.141.181.140:3306 on view 17720656847283835:5.' 2026-02-26T00:29:09.725313Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.141.181.140:3306' 2026-02-26T00:29:09.725404Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306, 252.141.85.99:3306 on view 17720656847283835:6.' 2026-02-26T00:29:18.942666Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.141.168.220:3306, 252.141.85.99:3306, 252.141.181.140:3306 on view 17720656847283835:7.' 2026-02-26T00:29:19.290986Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.141.181.140:3306 was declared online within the replication group.'