message from server: "Host '192.168.6.68' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts
系统或者程序连接数据报错
null, message from server: "Host '192.168.6.68' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'"
原因:同一个ip在短时间内产生太多(超过mysql数据库max_connection_errors的最大值)中断的数据库连接而导致的阻塞
使用客户端连接数据库