connect failed: Connection timed out.
connect failed: Connection timed out.
connect failed: Connection timed out.
注意开放允许客户端链接的端口，比如30001-30500.不然总是会提示超时。
本文出自 “自动化rolin” 博客，请务必保留此出处http://luoguoling.blog.51cto.com/1568501/1921666
原文：http://luoguoling.blog.51cto.com/1568501/1921666