xtrabackup: Error: Failed to find information for channel 'group_replication_applier' in SHOW SLAVE

I am using InnoDB cluster and want to use xtrabackup for backup.
Cluster details:Mysql 3 node’s (mysql  Ver 8.0.20 for Linux on x86_64 (MySQL Community Server - GPL)
Xtrabackup version.:Tried with both 8.0.12 and 8.0.14
OS:Centos7

Let me know if required any other details.
facing below error.:
200908 12:40:05 Finished backing up non-InnoDB tables and files200908 12:40:05 Executing FLUSH NO_WRITE_TO_BINLOG BINARY LOGS200908 12:40:05 Selecting LSN and binary log position from p_s.log_status200908 12:40:05 [00] Compressing /mysqldata/binlog.000026 to /xtrabackup/2020-09-08/FULL/binlog.000026.qp up to position 232200908 12:40:05 [00]        …done200908 12:40:05 [00] Compressing /xtrabackup/2020-09-08/FULL/binlog.index.qp200908 12:40:05 [00]        …donextrabackup: Error: Failed to find information for channel ‘group_replication_applier’ in SHOW SLAVE STATUS output.200908 12:40:05 >> log scanned up to (244579230636)

1 Like

Likely this is bug in Percona XtraBackup and Group Replication, can you please file the bug to https://jira.percona.com/projects/PXB/?