MySQLDockerGroupReplicationIssue

mysql1_my.cnf

[mysqld]
disabled_storage_engines="MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,MEMORY"
server_id=1
gtid_mode=ON
enforce_gtid_consistency=ON
binlog_checksum=NONE
#
log_bin=binlog
log_slave_updates=ON
binlog_format=ROW
master_info_repository=TABLE
relay_log_info_repository=TABLE
#
plugin_load='group_replication.so'
group_replication_group_name="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
group_replication_start_on_boot=on
group_replication_local_address="mysql1:33061"
#group_replication_group_seeds="mysql1:33061,mysql2:33061,mysql3:33061"
group_replication_bootstrap_group=off
#
#relay_log_recovery=ON

mysql1configurationandoutput.txt

root@6e4337f62d12:/# mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.19 MySQL Community Server - GPL

Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> CREATE USER rpl_user@'%' IDENTIFIED BY 'password';
Query OK, 0 rows affected (0.01 sec)

mysql> GRANT REPLICATION SLAVE ON *.* TO rpl_user@'%';
Query OK, 0 rows affected (0.01 sec)

mysql> GRANT BACKUP_ADMIN ON *.* TO rpl_user@'%';
Query OK, 0 rows affected (0.01 sec)

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)

mysql> CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='password' \\
ERROR: 
Unknown command '\\'.
    ->       FOR CHANNEL 'group_replication_recovery';
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '\\
      FOR CHANNEL 'group_replication_recovery'' at line 1
mysql> INSTALL PLUGIN group_replication SONAME 'group_replication.so';
Query OK, 0 rows affected (0.01 sec)

mysql> SET GLOBAL group_replication_group_name="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_start_on_boot=on;
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_local_address="mysql1:33061";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_bootstrap_group=ON;
Query OK, 0 rows affected (0.00 sec)

mysql> START GROUP_REPLICATION;
Query OK, 0 rows affected (3.13 sec)

mysql> SET GLOBAL group_replication_bootstrap_group=OFF;
Query OK, 0 rows affected (0.00 sec)

mysql> CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='password' FOR CHANNEL 'group_replication_recovery';
Query OK, 0 rows affected, 2 warnings (0.04 sec)

mysql> 

mysql2_my.cnf

[mysqld]
disabled_storage_engines="MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,MEMORY"
server_id=2
gtid_mode=ON
enforce_gtid_consistency=ON
binlog_checksum=NONE
#
log_bin=binlog
log_slave_updates=ON
binlog_format=ROW
master_info_repository=TABLE
relay_log_info_repository=TABLE
#
plugin_load='group_replication.so'
group_replication_group_name="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"
#group_replication_start_on_boot=on
group_replication_local_address="mysql2:33061"
group_replication_group_seeds="mysql1:33061,mysql2:33061"
group_replication_bootstrap_group=off
#
#relay_log_recovery=ON

mysql2configurationandoutput.txt

root@1b5a1ec60044:/# mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.19 MySQL Community Server - GPL

Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> INSTALL PLUGIN group_replication SONAME 'group_replication.so';
Query OK, 0 rows affected (0.01 sec)

mysql> SET GLOBAL group_replication_local_address="mysql2:33061";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_group_seeds="mysql1:33061,mysql2:33061"
    -> ;
Query OK, 0 rows affected (0.00 sec)

mysql> CHANGE MASTER TO MASTER_USER='rpl_user', MASTER_PASSWORD='password' FOR CHANNEL 'group_replication_recovery';
Query OK, 0 rows affected, 2 warnings (0.03 sec)

mysql> START GROUP_REPLICATION;
ERROR 3092 (HY000): The server is not configured properly to be an active member of the group. Please see more details on error log.
mysql> SET GLOBAL group_replication_group_seeds="mysql1:33061"
    -> ;
Query OK, 0 rows affected (0.00 sec)

mysql> START GROUP_REPLICATION;
ERROR 3092 (HY000): The server is not configured properly to be an active member of the group. Please see more details on error log.
mysql> get sql_log_bin
    -> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'sql_log_bin' at line 1
mysql> SET GLOBAL group_replication_group_name="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_start_on_boot=on;
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_group_name="aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_start_on_boot=on;
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_local_address="mysql2:33061";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_group_seeds="mysql1:33061,mysql2:33061";
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL group_replication_bootstrap_group=off;
Query OK, 0 rows affected (0.00 sec)

mysql> START GROUP_REPLICATION;
ERROR 3092 (HY000): The server is not configured properly to be an active member of the group. Please see more details on error log.
mysql> SET GLOBAL group_replication_group_seeds="mysql1:33061";
Query OK, 0 rows affected (0.00 sec)

mysql> START GROUP_REPLICATION;
ERROR 3092 (HY000): The server is not configured properly to be an active member of the group. Please see more details on error log.
mysql> SET GLOBAL group_replication_group_seeds="mysql1:33061";
Query OK, 0 rows affected (0.00 sec)

mysql> START GROUP_REPLICATION;                                                    ERROR 3092 (HY000): The server is not configured properly to be an active member of the group. Please see more details on error log.
mysql> quit;
Bye
root@1b5a1ec60044:/#