原文:【錯誤】:Could not open JDBC Connection for transaction; nested exception is: Communications link failure;The last packet sent successfully to the server was 1 milliseconds ago

錯誤日志 : : , ERROR org.quartz.core.JobRunShell Job DEFAULT.jobtask threw an unhandled Exception: org.springframework.scheduling.quartz.JobMethodInvocationFailedException: Invocation of method execute o ...

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Communications link failure:The last packet successfully received from the server was 0 millisecond ago

出現這種錯誤的大致情況如下: 1、數據庫連接長時間未使用,斷開連接后,再去連接出現這種情況。這種情況常見於用連接池連接數據庫出現的問題 2、數據庫連接的后綴參數問題 針對上述兩種情況,解決方案如下 1、修改MySQL的參數,my.cnf位於/etc目錄下,修改完成后,重啟mysql ...

Thu Sep 02 04:35:00 CST 2021 0 140
 
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