轉載:https://blog.csdn.net/yaheng100/article/details/87875474 最近接手了一個SpringBoot+Mybatis+Mysql的JAVA爬蟲項 ...
一 異常截圖 com.mysql.jdbc.exceptions.jdbc .CommunicationsException: The last packet successfully received from the server was , , milliseconds ago. The last packet sent successfully to the server was , , ...
2022-03-16 10:20 0 743 推薦指數:
轉載:https://blog.csdn.net/yaheng100/article/details/87875474 最近接手了一個SpringBoot+Mybatis+Mysql的JAVA爬蟲項 ...
使用Connector/J連接MySQL數據庫,程序運行較長時間后就會報以下錯誤: Communications link failure,The last packet successfully received from the server was * **millisecond ...
調試一個程序, 調試到一半, 下班回家, 程序卡在了某一行, 第二天早上回來一看, 發現了異常: 錯誤信息一大堆,其實就是 其實關鍵字是 timeouts, 也就是 mysql 的連接 超時了! 不用管, 重啟就好了! ...
1 詳細異常信息 2 自己是在Spark程序里面調用的mysql的程序,因為是分布式環境,所以不一定是在本機調用mysql連接 分布式環境 不要用localhost的配置,導致遠程主機找不到 ...
本地升級了下MySQL的版本,從5.6升為5.7,數據文件直接拷貝的,項目查詢數據庫報錯: Could not retrieve transation read-only status server The last packet successfully received from ...
在這里是因為在配置文件連接數據庫的url不正確 仔細查看一下,是否跟數據庫一樣 ...
在鏈接數據庫的時候,報錯如下: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 上網 ...
© 版權聲明:本文為博主原創文章,轉載請注明出處 1.問題描述 搭建SSH框架,啟動時報錯如下: The last packet sent successfully to the server was 0 milliseconds ago. The driver has ...