networking - Akka remoting binds to hostname instead of bind-hostname -

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context

i trying run akka application on node , make work other nodes using akka remoting capabilities.

my node has ip address, 10.254.55.10, , there external ip, 10.10.10.44, redirecting former. external ip 1 on want other nodes contact me.

extract akka app config:

  akka {             remote {                     netty.tcp {                             hostname = "10.10.10.44"                             port = 2551                              bind-hostname = "10.254.55.10"                             bind-port = 2551                     }             }   }

i know works fine on network side, because when listen on ip netcat, can send messages myself via telnet using external ip.

in other words, when running these 2 commands in separate shells:

$ nc -l 10.254.55.10 2551

$ telnet 10.10.10.44 2551

i'm able communicate myself, proving network redirection works fine between 2 ips.

problem

when launching application, crashes bind error:

info remoting - starting remoting error a.r.t.n.nettytransport - failed bind /10.10.10.44:2551, shutting down netty transport exception in thread "main" java.lang.exceptionininitializererror [...] caused by: org.jboss.netty.channel.channelexception: failed bind to: /10.10.10.44:2551 [...] caused by: java.net.bindexception: cannot assign requested address [...] info a.r.remoteactorrefprovider$remotingterminator - shutting down remote daemon.

i assume makes crash tries bind ip not present locally (i.e. 10.10.10.44). don't understand in first place why akka trying bind 10.10.10.44, since not bind-hostname (which 10.254.55.10). this doc page seemed pretty clear me on matter, yet doesn't work...

the project working based on akka 2.3.4, in bind-hostname , bind-port configuration not exist. upgraded latest version @ time, akka 2.4.1, , solved problem.


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