MySQL Enterprise Backup Fails in 4.1.2+ and 8.0.12+ with Group Replication or InnoDB Cluster: "mysqlbackup exit code: 11, Connection to server failed"
(Doc ID 2566665.1)
Last updated on OCTOBER 27, 2019
Applies to:MySQL Enterprise Backup - Version 4.1 and later
Information in this document applies to any platform.
Using MySQL 4.1.2 or later or 8.0.12 or later to backup a node in a Group Replication or InnoDB Cluster setup, the backup fails with errors that it cannot connect, for example:
The issue may start after upgrading to MySQL Enterprise Backup 4.1.2 or 8.0.12 or later, but it may also happen after setting up Group Replication/InnoDB Cluster or during the first attempt to create a backup.
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