null, message from server: "Host 'PC-20130201IBXI' is blocked because of many connection errors; un
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忽然一天,数据库连接抛了异常:null, message from server: "Host 'PC-20130201IBXI' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'"。
话说是同一IP短时间内连接数据库太多二致,记得以前也出现过这种错,解决办法记下(windows机器):
命令:net start mysql
命令:cd D:\Tools\MySQL5.5.25\bin
命令:mysql -hlocalhost -uroot -p
命令:flush hosts
重启mysql,
重启tomcat
成功
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