I had the same issue on one of the node and it was related with /etc/resolv.conf entry. Changed the nameserver details to that of other nodes and that fixed it. ... View more

@Genthandsome,   Actually, that stackoverflow may be off target since it talks about public addresses.  Your browser needs to resolve a hostname into an IP so that your computer can connect to Hue.  If that resolution (or mapping) fails then the client (browser in this case) cannot connect to the host specified in the browser's URL. ... View more

@MughilWhat did you do,,,, How did you diagnose the problem? Where is the directory index? ... View more