NoRouteToHostException on client or server?

Question

I am getting

Caused by: java.net.NoRouteToHostException: No route to host
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.do         


        

Answer 1

I had the same issue, I did run iptables flush on host server, this fixed the issue.

# iptables --flush