DYYssb的博客

1.情况：输入nvidia-smi报错：NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.以及输入torch.cuda.is_available()返回false2.解决：只需执行两条命令就好：sudo apt-get install dkmssu

问题：SatMay1521:33:28CST2021WARN:EstablishingSSLconnectionwithoutserver'sidentityverificationisnotrecommended.AccordingtoMySQL5.5.45+,5.6.26+and5.7.6+requirementsSSLconnectionmustbeestablishedbydefaultifexplicitoptionisn't...

Caused by: java.lang.InstantiationException: cn.xnjt.model.emp at java.base/java.lang.Class.newInstance(Class.java:598) at util.SqlSession.selectList(SqlSession.java:34) at cn.xnjt.daoImpl.empDaoImpl.selEmp(empDaoImpl.java:22) at cn.xnjt.serviceImpl.s.

解决方法：将url="jdbc:mysql://localhost:3306/bank_db?serverTimezone=GMT%2B8"改为url="jdbc:mysql://localhost:3306/bank_db?serverTimezone=GMT%2B8&useSSL=false"即可。