Host is blocked because of many connection errors;unblock with 'mysqladmin flush-hosts'

阿里云或者本地虚拟机在部署ssm项目的时候,浏览器一直在加载中…查看linux中tomcat的logs的日志文件最显眼的错误是NullPointerException.其余的主要错误是:部分主要的错误截图.通过在日志得出是数据库连接不到,主要原因是:Host is blocked because of many connection errors;unblock with ‘mysqladmin

>>阅读原文<<