MySql Host is blocked because of many connection errors;
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项目运行环境:centos7+mysql5.1+springmvc+mybatis+tomcat7
出错原有:项目在上述环境中一直运行正常,但是今天发布新项目时出现了如题问题,刚开始以为是centos防火墙,权限等问题,经过步步为营的排查后发现是web服务器访问数据库服务器时出错了。springmvc部署时创建dao等一直失败,后来我在web服务器用命令 mysql -u root -h '172.16.1.16' -p 访问数据库服务器发现连接不上。
解决办法: show variables like '%max_connection_errors%';
set global max_connect_errors = 2000;
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