2026-05-18T00:24:00.494385Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9741 2026-05-18T00:24:00.508366Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-18T00:24:02.864018Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-18T00:24:10.490440Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option. 2026-05-18T00:24:20.358828Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-05-18T00:24:29.060492Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9789 2026-05-18T00:24:29.137236Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-18T00:24:29.736745Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-18T00:24:30.525379Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-18T00:24:30.525425Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-18T00:24:30.540863Z 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. 2026-05-18T00:24:30.558586Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock 2026-05-18T00:24:30.558691Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1' socket: '/tmp/tmp.dMPn60I41j/mysqld.sock' port: 0 (Ubuntu). 2026-05-18T00:24:30.579034Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-05-18T00:24:32.116267Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-05-18T00:24:34.572777Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9935 2026-05-18T00:24:34.587364Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-18T00:24:35.338909Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-18T00:24:36.442685Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-18T00:24:36.503194Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-18T00:24:36.523680Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-05-18T00:24:36.523744Z 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). 2026-05-18T00:24:43.122966Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user . Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1). 2026-05-18T00:24:44.174179Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-05-18T00:24:44.721173Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10116 2026-05-18T00:24:44.738842Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-18T00:24:45.227085Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-18T00:24:45.680084Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-18T00:24:45.680123Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-18T00:24:45.734638Z 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). 2026-05-18T00:24:45.734636Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-05-18T00:26:15.474788Z 13 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory' 2026-05-18T00:26:15.474834Z 13 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot' 2026-05-18T00:26:15.683007Z 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-d787f6-0-lxd-3-relay-bin' to avoid this problem. 2026-05-18T00:26:15.699020Z 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=''. 2026-05-18T00:26:15.740348Z 13 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-05-18T00:26:15.745047Z 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.' 2026-05-18T00:26:15.745083Z 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.' 2026-05-18T00:26:15.855465Z 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=''. 2026-05-18T00:26:15.929140Z 19 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-05-18T00:26:17.295518Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-05-18T00:26:17.296248Z 13 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.241.34.161:3306.' 2026-05-18T00:26:17.296483Z 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.' 2026-05-18T00:26:18.296378Z 13 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-05-18T00:26:18.301280Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Cloning from a remote group donor.' 2026-05-18T00:26:18.301575Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.241.34.161:3306, 252.241.127.111:3306 on view 17790639631607754:2.' 2026-05-18T00:26:18.306004Z 32 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.' 2026-05-18T00:26:18.579041Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Started 2026-05-18T00:26:18.761187Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Finished 2026-05-18T00:26:22.843153Z 0 [System] [MY-011504] [Repl] Plugin group_replication reported: 'Group membership changed: This member has left the group.' 2026-05-18T00:26:24.851183Z 0 [Warning] [MY-010909] [Server] /usr/sbin/mysqld: Forcing close of thread 13 user: 'clusteruser'. 2026-05-18T00:26:24.854834Z 0 [System] [MY-011650] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is stopping.' 2026-05-18T00:26:24.859076Z 0 [System] [MY-014082] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) stopped.' 2026-05-18T00:26:24.859611Z 0 [System] [MY-011651] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been stopped.' 2026-05-18T00:26:26.038935Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1) (Ubuntu). 2026-05-18T00:26:26.843619Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 19317 2026-05-18T00:26:26.882887Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2026-05-18T00:26:27.706982Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended. 2026-05-18T00:26:28.354850Z 0 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.' 2026-05-18T00:26:28.358815Z 0 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.' 2026-05-18T00:26:28.704612Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2026-05-18T00:26:28.704659Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel. 2026-05-18T00:26:28.795509Z 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-d787f6-0-lxd-3-relay-bin' to avoid this problem. 2026-05-18T00:26:28.952000Z 9 [Warning] [MY-013360] [Server] '@@binlog_transaction_dependency_tracking' is deprecated and will be removed in a future release. 2026-05-18T00:26:28.955050Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock 2026-05-18T00:26:28.955180Z 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). 2026-05-18T00:26:28.955617Z 4 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-05-18T00:26:28.958205Z 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.' 2026-05-18T00:26:28.958226Z 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.' 2026-05-18T00:26:28.988285Z 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=''. 2026-05-18T00:26:29.026139Z 13 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.' 2026-05-18T00:26:33.347439Z 4 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.241.34.161:3306.' 2026-05-18T00:26:33.347607Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.' 2026-05-18T00:26:33.347651Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor' 2026-05-18T00:26:33.347841Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.241.34.161:3306, 252.241.127.111:3306 on view 17790639631607754:4.' 2026-05-18T00:26:33.397352Z 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='252.241.34.161', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. 2026-05-18T00:26:33.438915Z 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. 2026-05-18T00:26:33.598262Z 26 [System] [MY-014002] [Repl] Replica receiver thread for channel 'group_replication_recovery': connected to source 'mysql_innodb_cluster_1002@252.241.34.161:3306' with server_uuid=c0ebb5e5-524f-11f1-84af-00163e3c7558, server_id=1002. Starting GTID-based replication. 2026-05-18T00:26:33.702019Z 25 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='252.241.34.161', 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=''. 2026-05-18T00:26:33.732399Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.' 2026-05-18T00:26:34.472174Z 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=''. 2026-05-18T00:26:45.281518Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.241.34.161:3306, 252.241.127.111:3306, 252.241.250.22:3306 on view 17790639631607754:5.' 2026-05-18T00:26:48.165574Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.241.250.22:3306' 2026-05-18T00:26:48.165652Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.241.34.161:3306, 252.241.127.111:3306 on view 17790639631607754:6.' 2026-05-18T00:27:01.183380Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.241.34.161:3306, 252.241.127.111:3306, 252.241.250.22:3306 on view 17790639631607754:7.' 2026-05-18T00:27:01.744787Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.241.250.22:3306 was declared online within the replication group.'