错误描述：java.sql.SQLException: Couldn't perform the operation setAutoCommit: You can't perform any operations on this connection. It has been ...

由spring 控制事务。。并且事务是有时间限制的。。。在写程序的时候打开事务，又去调用webservices ..造成事务超时。 ...

系统启动，一段时间不操作，然后在来操作时，报错如下： Caused by: java.sql.SQLException: Couldn't perform the operation getAutoCommit: You can't perform any operations ...

后出现错误： Couldn't open rep-cache database 解决方案：找一个正常 ...

1.https://github.com/PowerShell/Win32-OpenSSH/releases/download/v8.1.0.0p1-Beta/OpenSSH-Win64.zip 重 ...

: can't access lexical declaration `a' before initiali ...

error: Couldn't materialize struct: size of variable <varName> disagrees with the ValueObject's size Errored out in Execute, couldn't ...

最近在项目中实现一个文件传输功能时，每完成一次操作tomcat8中总是抛出如下异常： 虽然不影响使用，but maybe it is a time bomb! 于是决定找出 ...