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error 1201 (hy000):could not initialize master info structure的问题
今天在做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;
然后进行运行grant命令重新设置主从复制。
具体过程如下：
command代码  
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)
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