2026-01-01T00:26:46.083929Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9593 2026-01-01T00:26:46.130648Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-01T00:26:47.452451Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-01T00:26:51.965911Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-01-01T00:26:54.141864Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-01T00:26:58.999005Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9640 2026-01-01T00:26:59.034815Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-01T00:26:59.508780Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-01T00:26:59.949477Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-01T00:26:59.949531Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-01T00:26:59.978444Z 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. 2026-01-01T00:27:00.016713Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.08doCuf1nn/mysqld.sock' port: 0 (Ubuntu). 2026-01-01T00:27:00.016885Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-01-01T00:27:00.097253Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-01T00:27:01.976373Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-01T00:27:03.776936Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9786 2026-01-01T00:27:03.788216Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-01T00:27:04.256624Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-01T00:27:04.601411Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-01T00:27:04.601867Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-01T00:27:04.657097Z 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). 2026-01-01T00:27:04.659163Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-01T00:27:07.946024Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-01-01T00:27:08.969256Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-01T00:27:09.398564Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9968 2026-01-01T00:27:09.406370Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-01T00:27:09.819039Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-01T00:27:10.090013Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-01T00:27:10.090049Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-01T00:27:10.119062Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-01T00:27:10.120733Z 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). 2026-01-01T00:29:06.604774Z 13 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-01-01T00:29:06.604803Z 13 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-01-01T00:29:06.781225Z 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-848a63-0-lxd-4-relay-bin' to avoid this problem. 2026-01-01T00:29:06.802447Z 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=''. 2026-01-01T00:29:06.828383Z 13 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-01-01T00:29:06.832646Z 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.' 2026-01-01T00:29:06.832669Z 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.' 2026-01-01T00:29:06.878451Z 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=''. 2026-01-01T00:29:06.935898Z 19 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-01-01T00:29:08.263504Z 13 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.242.219.122:3306.' 2026-01-01T00:29:08.263714Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-01T00:29:08.263760Z 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.' 2026-01-01T00:29:09.263796Z 13 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-01-01T00:29:09.267851Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Cloning from a remote group donor.' 2026-01-01T00:29:09.268211Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.242.248.192:3306, 252.242.219.122:3306 on view 17672273381467126:2.' 2026-01-01T00:29:09.268796Z 32 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-01-01T00:29:09.402716Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Started 2026-01-01T00:29:09.493893Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Finished 2026-01-01T00:29:13.084055Z 0 [System] [MY-011504] [Repl] Plugin group_replication reported: 'Group membership changed: This member has left the group.' 2026-01-01T00:29:15.105357Z 0 [System] [MY-011650] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is stopping.' 2026-01-01T00:29:15.112191Z 0 [System] [MY-014082] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) stopped.' 2026-01-01T00:29:15.113316Z 0 [System] [MY-011651] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been stopped.' 2026-01-01T00:29:16.577613Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-01-01T00:29:17.237917Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 26022 2026-01-01T00:29:17.247489Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-01-01T00:29:17.923083Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-01-01T00:29:18.215016Z 0 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-01-01T00:29:18.215193Z 0 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-01-01T00:29:18.496000Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-01-01T00:29:18.496039Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-01-01T00:29:18.532258Z 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-848a63-0-lxd-4-relay-bin' to avoid this problem. 2026-01-01T00:29:18.656519Z 9 [Warning] [MY-013360] [Server] '@@binlog_transaction_dependency_tracking' is deprecated and will be removed in a future release. 2026-01-01T00:29:18.659087Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-01-01T00:29:18.659567Z 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). 2026-01-01T00:29:18.660136Z 4 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-01T00:29:18.661573Z 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.' 2026-01-01T00:29:18.661589Z 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.' 2026-01-01T00:29:18.699194Z 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=''. 2026-01-01T00:29:18.749064Z 13 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-01-01T00:29:19.629981Z 4 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.242.219.122:3306.' 2026-01-01T00:29:19.630167Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-01-01T00:29:19.630216Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-01-01T00:29:19.630607Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.242.248.192:3306, 252.242.219.122:3306 on view 17672273381467126:4.' 2026-01-01T00:29:19.683759Z 24 [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='252.242.219.122', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. 2026-01-01T00:29:19.763235Z 25 [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. 2026-01-01T00:29:19.797598Z 25 [System] [MY-014002] [Repl] Replica receiver thread for channel 'group_replication_recovery': connected to source 'mysql_innodb_cluster_1002@252.242.219.122:3306' with server_uuid=dc004e15-e6a7-11f0-900b-00163e28a4b5, server_id=1002. Starting GTID-based replication. 2026-01-01T00:29:19.914163Z 26 [Warning] [MY-010584] [Repl] Replica SQL for channel 'group_replication_recovery': Coordinator thread of multi-threaded replica is being stopped in the middle of assigning a group of events; deferring to exit until the group completion ... , Error_code: MY-000000 2026-01-01T00:29:20.014497Z 24 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='252.242.219.122', 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=''. 2026-01-01T00:29:20.620783Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-01-01T00:29:20.622020Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.242.248.192:3306, 252.242.80.112:3306, 252.242.219.122:3306 on view 17672273381467126:5.' 2026-01-01T00:29:22.614661Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.242.80.112:3306' 2026-01-01T00:29:22.614733Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.242.248.192:3306, 252.242.219.122:3306 on view 17672273381467126:6.' 2026-01-01T00:29:31.768560Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.242.248.192:3306, 252.242.80.112:3306, 252.242.219.122:3306 on view 17672273381467126:7.' 2026-01-01T00:29:31.958231Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.242.80.112:3306 was declared online within the replication group.'