数据集执行报错 No operations allowed after connection closed

No operations allowed after connection closed.Communications link failure The last packet successfully received from the server was 101,834 milliseconds ago. The last packet sent successfully to the server was 101,837 milliseconds ago.Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
今天频繁发生数据集SQL执行失败的报错.每次可能好几分钟,然后自动恢复.然后再报错.本地数据库中执行正常,数据源测试连接成功.
数据源 选择的为 diver80  jdbc驱动
这个问题应该如何解决

可以参考这个网址进行解决：https://blog.csdn.net/lifei128/article/details/82392979