Failed to connect to graph.facebook.com when login facebook sdkbox cc v2.4.3

Services 3rd-Party
#1

Sometime i have this error when login facebook

java.net.ConnectException: Failed to connect to graph.facebook.com/157.240.217.17:443 .

Is this an error on the facebook server side?

#2

i think it’s a network issue. you can’t connect to fb’s server.