To resolve the MySQL Error Error 1201 (HY000): Could not initialize master info structure

In doing MySQL master-slave replication encountered an error 1201 (HY000): Could not initialize master info structure. The reason for this problem is the previous master copy!

The solution is:

Run command stop slave;
After successful execution, continue to run reset slave;

Then reset the master-slave copy.

The specific process is as follows:

mysql> Change Master to master_host= ' 127.0.0.1 ', master_user= ' user ', Master_pass
word= ' user ', master_log_file= ' mysql-bin-000202 ', master_log_pos=553;
ERROR 1201 (HY000): Could not initialize master info structure; More Error Messa
GES can is found in the MySQL error log
mysql> stop Slave;
Query OK, 0 rows affected, 1 Warning (0.00 sec)

mysql> Reset Slave;
Query OK, 0 rows Affected (0.00 sec)

mysql> Change Master to master_host= ' 127.0.0.1 ', master_user= ' user ', Master_pass
word= ' user ', master_log_file= ' mysql-bin-000202 ', master_log_pos=553;
Query OK, 0 rows affected (0.11 sec)