现在定时任务连接doris,有时会报如下错误,从审计日志中看没有看到执行的SQL,感觉是就没连上,但是程序的日志中有打印连接是可用的,集群资源那个时间点很充足,有没有其他方向可以分析一下?
目前连接doris使用的mysql包是8.0.28
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 20,019 milliseconds ago. The last packet sent successfully to the server was 20,019 milliseconds ago