在做mysql主从复制时遇到个ERROR 1201 (HY000): Could not initialize master info structure .出现这个问题的原因是之前曾做过主从复制！
解决方案是：
运行命令 stop slave;
成功执行后继续运行 reset slave;
然后重新设置主从复制。
具体过程如下：
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 be 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)
mysql报错1064_解决mysql报错ERROR 1201 (HY000):Could not initialize master info structure
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