Question

windows7操作系统APMServ5.2.6里4.0版本启动正常 MYSQL5.1无法启动 请求帮助

windows7操作系统APMServ5.2.6里4.0版本启动正常 MYSQL5.1无法启动 请求帮助
附上错误代码，请求帮助！

InnoDB: The first specified data file .\ibdata1 did not exist:
InnoDB: a new database to be created!
140727 8:34:56 InnoDB: Setting file .\ibdata1 size to 10 MB
InnoDB: Database physically writes the file full: wait...
140727 8:34:57 InnoDB: Log file .\ib_logfile0 did not exist: new to be created
InnoDB: Setting log file .\ib_logfile0 size to 5 MB
InnoDB: Database physically writes the file full: wait...
140727 8:34:57 InnoDB: Log file .\ib_logfile1 did not exist: new to be created
InnoDB: Setting log file .\ib_logfile1 size to 5 MB
InnoDB: Database physically writes the file full: wait...
InnoDB: Doublewrite buffer not found: creating new
InnoDB: Doublewrite buffer created
InnoDB: Creating foreign key constraint system tables
InnoDB: Foreign key constraint system tables created
140727 8:34:57 InnoDB: Started; log sequence number 0 0
140727 8:34:59 [ERROR] Column count of mysql.event is wrong. Expected 22, found 18. Created with MySQL 50120, now running 50128. Please use mysql_upgrade to fix this error.
140727 8:34:59 [ERROR] Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
140727 8:34:59 [Note] E:\Program Files\apmserv\APMServ5.2.6\MySQL5.1\bin\mysqld-nt.exe: ready for connections.
Version: '5.1.28-rc-community' socket: '' port: 3306 MySQL Community Server (GPL)

Answer 1

错误信息中都写了，执行一次mysql_upgrade就好，原因应该是数据库是旧版本mysql创建的，新的mysql要求升级一下数据库文件。在命令行下执行一次 mysql_upgrade -u root -p 密码 就好。