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mysql8 常见错误

发布时间:2022-04-01 11:04:44 所属栏目:MySql教程 来源:互联网
导读:mysql8 常见错误: 1. ERROR 2061 (HY000): Authentication plugin caching_sha2_password reported error: Authentication requires secure connection. 【分析】mysql8默认使用插件caching_sha2_password,有些client连接报这个错误,需要拿到server的pub
        mysql8 常见错误:

1. ERROR 2061 (HY000): Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection.
 
     【分析】mysql8默认使用插件caching_sha2_password,有些client连接报这个错误,需要拿到server的public key来加密password。
 
      【解决】加参数可以解决:--get-server-public-key
 
 mysql -u sha2user -p --get-server-public-key。做主从复制的时候也会碰到这种情况,加餐get_master_public_key=1;
 
 change master to
 
    master_host='192.168.2.135',
 
    master_port=3306,
 
    master_user='repl_user',
 
    master_password='123456',
 
    master_auto_position=1 ,
 
    get_master_public_key=1;
 
2.Multiple files found for the same tablespace ID:
 
2019-10-22T15:27:22.848885+08:00 1 [ERROR] [MY-012209] [InnoDB] Multiple files found for the same tablespace ID:
 
2019-10-22T15:27:22.848904+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 1 = ['sys/sys_config.ibd', 'sys/sys_config.ibd']
 
2019-10-22T15:27:22.848915+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 15 = ['test/t.ibd', 'test/t.ibd']
 
2019-10-22T15:27:22.848922+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 4294967278 = ['undo_002', 'undo_002']
 
2019-10-22T15:27:22.848932+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 4294967279 = ['undo_001', 'undo_001']
 
2019-10-22T15:27:22.848939+08:00 1 [ERROR] [MY-012202] [InnoDB] Tablespace ID: 4294967294 = ['mysql.ibd', 'mysql.ibd']
 
2019-10-22T15:27:22.848952+08:00 1 [ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Failed, retry may succeed.
 
2019-10-22T15:27:22.849080+08:00 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
 
2019-10-22T15:27:22.849297+08:00 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
 
【解答】启动文件加参数innodb_directories="/data/mysqldata;"

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