Mysql警告：连接中止，读取通信包时出错

我有一个客户端设备向mysql数据库发送数据，每分钟从数据库接收一些数据。我一直收到以下警告信息。我一直在寻找一个合适的解决办法。我正在正确关闭数据库连接。但我还是找不到合适的解决办法。任何建议都会有帮助

2019-08-27 10:35:26 32 [Warning] Aborted connection 32 to db: 'unconnected' user: 'root' host: '192.168.xx.xxx' (Got an error reading communication packets)
2019-08-27 10:35:26 35 [Warning] Aborted connection 35 to db: 'unconnected' user: 'root' host: '192.168.xx.xxx' (Got an error reading communication packets)

2019-08-27 10:36:26 36 [Warning] Aborted connection 36 to db: 'unconnected' user: 'root' host: '192.168.xx.xxx' (Got an error reading communication packets)
2019-08-27 10:36:26 39 [Warning] Aborted connection 39 to db: 'unconnected' user: 'root' host: '192.168.xx.xxx' (Got an error reading communication packets)


//and it goes on
//192.168.xx.xxx is the IP of the device
//why it says db: 'unconnected' even though my db name is myData

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结果如何？你能分享你的发现和解决方案吗？这是与安全相关的问题还是代码？