git最新版本2.19.1在提交新的版本时会出现如下图所示异常：此问题不影响代码的pull与push及clone，但是会出现上述错误。是因为git的credential manager 在版本2.19.1会出现问题。为此可以在如下链接下载：https://github.com/Microsoft/Git-Credential-Manager-for-Windows/releases...

http://man.linuxde.net/mkdirhttps://blog.csdn.net/Crystalqy/article/details/80493414https://blog.csdn.net/sunguannan/article/details/78966903 避免git用户名和密码的重复输入https://blog.csdn.net/qq_21358401/artic...

问题：com.alibaba.druid.pool.DruidDataSource - discard connectioncom.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet successfully received from the se...