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[Mysql2::Error: Can't connect to local MySQL server through socket '/tmp/mysql.sock'](https://stackoverflow.com/questions/41200297/mysql2error-cant-connect-to-local-mysql-server-through-socket-tmp-mysql-so) Please check out the first or second answer. I solved it with the first answer. > First, go to database.yml...

我最新版也是这样。装回 1.6.1 版本可以 ```shell netstat -na | grep 1087 ``` > tcp4 0 0 127.0.0.1.1087 *.* LISTEN ```shell curl cip.cc ``` > 地址 : 日本 东京都 品川区 运营商 : linode.com...

同事解决了，环境域名那里一定要选 https。  因为接口定义的 mock，不管环境域名是 http 还是 https，不知为何都写死了用 https。一旦环境域名用了 http 对不上就 404。 

I hit this warning too with ruby-2.2.0. When I use 2.3.0, warning is gone, spring works perfectly. Don't know why but problem solved ...