项目好好的,某天启动疯狂报错:

解决错误:java.sql.SQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"

  报错很明显,数据库太多链接,应该是关闭项目后资源没有及时释放。

解决错误:java.sql.SQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"

  解决方法如下:

首先,重启MySQL服务。

解决错误:java.sql.SQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"

 进入MySQL,输入命令:

show variables like 'max_connections';

解决错误:java.sql.SQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"

  最大连接数修改大一点:

set global max_connections=1000;

 

注意事项:使用上面的可以进行临时解决问题,想要一直开启就需要去MySQL下面的my.ini文件里修改max_connections即可

MySQL安装路径查询命令:

进入mysql命令行输入:show variables like "%char%";

  

 

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