2026-01-05T00:23:03.247812Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9691 2026-01-05T00:23:03.267584Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-05T00:23:04.949993Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-05T00:23:10.688825Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-01-05T00:23:18.202216Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-05T00:23:30.235635Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9740 2026-01-05T00:23:30.286217Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-05T00:23:31.263827Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-05T00:23:32.852837Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-05T00:23:32.852882Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-05T00:23:32.880834Z 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. 2026-01-05T00:23:32.905619Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-01-05T00:23:32.905802Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.vFpnh1XdrH/mysqld.sock' port: 0 (Ubuntu). 2026-01-05T00:23:32.947904Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-05T00:23:35.293598Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-05T00:23:37.287628Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9890 2026-01-05T00:23:37.330109Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-05T00:23:38.303011Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-05T00:23:38.947051Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-05T00:23:38.947098Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-05T00:23:39.134745Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-05T00:23:39.135065Z 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). 2026-01-05T00:23:44.710449Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-05T00:23:46.354107Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-05T00:23:46.856914Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10073 2026-01-05T00:23:46.868354Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-05T00:23:47.888230Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-05T00:23:48.507005Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-05T00:23:48.514317Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-05T00:23:48.572385Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-05T00:23:48.572639Z 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). 2026-01-05T00:26:04.962790Z 13 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-01-05T00:26:04.962827Z 13 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-01-05T00:26:05.239737Z 13 [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-c7d490-0-lxd-5-relay-bin' to avoid this problem. 2026-01-05T00:26:05.260199Z 13 [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=''. 2026-01-05T00:26:05.290067Z 13 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-01-05T00:26:05.292949Z 13 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv4 localhost address to the allowlist. It is mandatory that it is added.' 2026-01-05T00:26:05.293029Z 13 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv6 localhost address to the allowlist. It is mandatory that it is added.' 2026-01-05T00:26:05.362089Z 18 [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=''. 2026-01-05T00:26:05.424788Z 19 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-01-05T00:26:06.347475Z 13 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.129.6.169:3306.' 2026-01-05T00:26:06.347752Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-05T00:26:06.347795Z 0 [Warning] [MY-013469] [Repl] Plugin group_replication reported: 'This member will start distributed recovery using clone. It is due to the number of missing transactions being higher than the configured threshold of 1.' 2026-01-05T00:26:07.347718Z 13 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-01-05T00:26:07.359507Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Cloning from a remote group donor.' 2026-01-05T00:26:07.359860Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.255.89:3306, 252.129.127.186:3306 on view 17675727111606700:5.' 2026-01-05T00:26:07.360233Z 32 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-01-05T00:26:07.507582Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Started 2026-01-05T00:26:07.616203Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Finished 2026-01-05T00:26:11.328094Z 0 [System] [MY-011504] [Repl] Plugin group_replication reported: 'Group membership changed: This member has left the group.' 2026-01-05T00:26:13.331894Z 0 [Warning] [MY-010909] [Server] /usr/sbin/mysqld: Forcing close of thread 13 user: 'clusteruser'. 2026-01-05T00:26:13.332060Z 0 [System] [MY-011650] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is stopping.' 2026-01-05T00:26:13.332990Z 0 [System] [MY-014082] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) stopped.' 2026-01-05T00:26:13.333096Z 0 [System] [MY-011651] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been stopped.' 2026-01-05T00:26:14.861516Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-05T00:26:15.677257Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 23695 2026-01-05T00:26:15.691598Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-05T00:26:16.780149Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-05T00:26:17.002883Z 0 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-01-05T00:26:17.003726Z 0 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-01-05T00:26:17.243316Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-05T00:26:17.243401Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-05T00:26:17.278016Z 0 [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-c7d490-0-lxd-5-relay-bin' to avoid this problem. 2026-01-05T00:26:17.404316Z 9 [Warning] [MY-013360] [Server] '@@binlog_transaction_dependency_tracking' is deprecated and will be removed in a future release. 2026-01-05T00:26:17.407635Z 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). 2026-01-05T00:26:17.408735Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-05T00:26:17.409857Z 4 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-05T00:26:17.424462Z 4 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv4 localhost address to the allowlist. It is mandatory that it is added.' 2026-01-05T00:26:17.424491Z 4 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv6 localhost address to the allowlist. It is mandatory that it is added.' 2026-01-05T00:26:17.486910Z 12 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_applier' executed'. Previous state source_host='', source_port= 0, 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=''. 2026-01-05T00:26:17.543682Z 14 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-01-05T00:26:21.804289Z 0 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Shutting down an outgoing connection. This happens because something might be wrong on a bi-directional connection to node 252.129.127.186:33061. Please check the connection status to this member' 2026-01-05T00:26:21.863073Z 4 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.129.6.169:3306.' 2026-01-05T00:26:21.863270Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-05T00:26:21.863311Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-01-05T00:26:21.866312Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.255.89:3306, 252.129.127.186:3306 on view 17675727111606700:7.' 2026-01-05T00:26:21.909213Z 25 [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='252.129.127.186', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. 2026-01-05T00:26:21.949058Z 26 [Warning] [MY-010897] [Repl] Storing MySQL user name or password information in the connection metadata repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START REPLICA; see the 'START REPLICA Syntax' in the MySQL Manual for more information. 2026-01-05T00:26:22.033235Z 26 [System] [MY-014002] [Repl] Replica receiver thread for channel 'group_replication_recovery': connected to source 'mysql_innodb_cluster_1000@252.129.127.186:3306' with server_uuid=b98a0a5e-e9cc-11f0-883b-00163e154459, server_id=1001. Starting GTID-based replication. 2026-01-05T00:26:22.182878Z 25 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='252.129.127.186', 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=''. 2026-01-05T00:26:22.212498Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-01-05T00:26:22.579578Z 32 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='', source_port= 0, 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=''.