Failed to validate connection com.mysql.jdbc.JDBC4Connection@75dc8e4c (No operations allowed after connection closed.). Possibly consider using ...
在配置文件中添加 ...
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Failed to validate connection com.mysql.jdbc.JDBC4Connection@75dc8e4c (No operations allowed after connection closed.). Possibly consider using ...
ERROR - No operations allowed after connection closed. 2011-12-07 11:36:09 - ERROR - query failed ...
SpringBoot警告-springboot2.0 hikaricp - failed to valid... no operations allowed after connection closed. ——墨問蒼生 首先在mysql中執行 ...
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. ...
問題 Mysql服務器默認的“wait_timeout”是8小時,也就是說一個connection空閑超過8個小時,Mysql將自動斷開該connection。 可以用show global variables LIKE'wait_timeout';查看mysql的等待時間。 這就是問題 ...
異常信息 org.hibernate.exception.JDBCConnectionException: could not execute query at org.hibernate.e ...
原因分析 查看了Mysql的文檔,以及Connector/J的文檔以及在線說明發現,出現這種異常的原因是: Mysql服務器默認的“wait_timeout”是8小時,也就是說一個connection空閑超過8個小時,Mysql將自動斷開該connection。這就是問題的所在,在C3P0 ...
日志發現下面這個異常: 注意異常信息: No operations allowed aft ...