MySQL多源主备同步报错：Last_IO_Error: Got fatal error 1236 from master when reading data from binary log

Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: ‘The slave is connecting using CHANGE MASTER TO MASTER_AUTO_POSITION = 1, but the master has purged binary logs containing GTIDs that the slave requires.’

在做mysql的gtid多源主备同步时start slave出现如上报错

解决报错：清除 master服务器 上的二进制日志（清除前先备份）

从服务器重启启动slave

报错：Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: ‘could not find next log; the first event ‘’ at 4, the last event read from ‘/var/log/mariadb/mariadb-bin.000011’ at 726, the last byte read from ‘/var/log/mariadb/mariadb-bin.000011’ at 726.’

解决： stop slave 后重新设置change master to …