I am new to using akka. 
I am seeing the wifi ip address instead of localhost when remoting is 
starting up the backend servers are trying to join on the localhost address 
but failing


Here is the output from where the error starts to fail: 

[INFO] [12/05/2019 16:14:50.105] [main] [akka.remote.Remoting] Starting 
remoting
[INFO] [12/05/2019 16:14:50.572] [main] [akka.remote.Remoting] Remoting 
started; listening on addresses :[akka.tcp://ClusterSystem@
*10.31.53.249:2552]*
[INFO] [12/05/2019 16:14:50.574] [main] [akka.remote.Remoting] Remoting now 
listens on addresses: [akka.tcp://[email protected]:2552]
[INFO] [12/05/2019 16:14:50.643] [main] 
[akka.cluster.Cluster(akka://ClusterSystem)] Cluster Node 
[akka.tcp://[email protected]:2552] - Starting up, Akka version 
[2.6.0-M8] ...
[INFO] [12/05/2019 16:14:50.784] [main] 
[akka.cluster.Cluster(akka://ClusterSystem)] Cluster Node 
[akka.tcp://[email protected]:2552] - Registered cluster JMX MBean 
[akka:type=Cluster]
[INFO] [12/05/2019 16:14:50.784] [main] 
[akka.cluster.Cluster(akka://ClusterSystem)] Cluster Node 
[akka.tcp://[email protected]:2552] - Started up successfully
[WARN] [12/05/2019 16:14:50.835] 
[ClusterSystem-akka.actor.default-dispatcher-18] 
[akka.tcp://[email protected]:2552/system/cluster/core/daemon/downingProvider]
 
Don't use auto-down feature of Akka Cluster in production. See 
'Auto-downing (DO NOT USE)' section of Akka Cluster documentation.
[WARN] [12/05/2019 16:14:50.959] [New I/O boss #3] 
[NettyTransport(akka://ClusterSystem)] Remote connection to [null] failed 
with java.net.ConnectException: Connection refused: /127.0.0.1:2552
[WARN] [12/05/2019 16:14:50.959] [New I/O boss #3] 
[NettyTransport(akka://ClusterSystem)] Remote connection to [null] failed 
with java.net.ConnectException: Connection refused: /127.0.0.1:2551
[WARN] [12/05/2019 16:14:50.960] 
[ClusterSystem-akka.remote.default-remote-dispatcher-19] 
[akka.tcp://[email protected]:2552/system/endpointManager/reliableEndpointWriter-akka.tcp%3A%2F%2FClusterSystem%40127.0.0.1%3A2552-1]
 
Association with remote system [akka.tcp://[email protected]:2552] 
has failed, address is now gated for [5000] ms. Reason: [Association failed 
with [akka.tcp://[email protected]:2552]] Caused by: 
[java.net.ConnectException: Connection refused: /127.0.0.1:2552]
[WARN] [12/05/2019 16:14:50.960] 
[ClusterSystem-akka.remote.default-remote-dispatcher-6] 
[akka.tcp://[email protected]:2552/system/endpointManager/reliableEndpointWriter-akka.tcp%3A%2F%2FClusterSystem%40127.0.0.1%3A2551-0]
 
Association with remote system [akka.tcp://[email protected]:2551] 
has failed, address is now gated for [5000] ms. Reason: [Association failed 
with [akka.tcp://[email protected]:2551]] Caused by: 
[java.net.ConnectException: Connection refused: /127.0.0.1:2551]
[INFO] [12/05/2019 16:14:50.966] 
[ClusterSystem-akka.actor.default-dispatcher-5] 
[akka://ClusterSystem/deadLetters] Message 
[akka.cluster.InternalClusterAction$InitJoin] from 
Actor[akka://ClusterSystem/system/cluster/core/daemon/joinSeedNodeProcess-1#1325673130]
 
to Actor[akka://ClusterSystem/deadLetters] was not delivered. [1] dead 
letters encountered. If this is not an expected behavior then 
Actor[akka://ClusterSystem/deadLetters] may have terminated unexpectedly. 
This logging can be turned off or adjusted with configuration settings 
'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
[INFO] [12/05/2019 16:14:50.966] 
[ClusterSystem-akka.actor.default-dispatcher-5] 
[akka://ClusterSystem/deadLetters] Message 
[akka.cluster.InternalClusterAction$InitJoin] from 
Actor[akka://ClusterSystem/system/cluster/core/daemon/joinSeedNodeProcess-1#1325673130]
 
to Actor[akka://ClusterSystem/deadLetters] was not delivered. [2] dead 
letters encountered. If this is not an expected behavior then 
Actor[akka://ClusterSystem/deadLetters] may have terminated unexpectedly. 
This logging can be turned off or adjusted with configuration settings 
'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'.
[INFO] [12/05/2019 16:14:51.063] 
[ClusterSystem-akka.actor.default-dispatcher-5] 
[akka.cluster.Cluster(akka://ClusterSystem)] Cluster Node 
[akka.tcp://[email protected]:2552] - Metrics collection has 
started successfully
[INFO] [12/05/2019 16:14:51.072] [main] [akka.remote.Remoting] Starting 
remoting
[ERROR] [12/05/2019 16:14:51.080] 
[ClusterSystem-akka.remote.default-remote-dispatcher-15] 
[NettyTransport(akka://ClusterSystem)] failed to bind to 
/10.31.53.249:2552, shutting down Netty transport
[ERROR] [12/05/2019 16:14:51.087] [main] [akka.remote.Remoting] Remoting 
error: [Startup failed] [



Application.conf: 

akka {
  actor {
    provider = cluster
  }
  remote {
    netty.tcp {
      hostname = "127.0.0.1"
      port = 0
    }

    artery {
      # change this to enabled=on to use Artery instead of netty
      # see https://doc.akka.io/docs/akka/current/remoting-artery.html
      enabled = off
      transport = tcp
      canonical.hostname = "127.0.0.1"
      canonical.port = 0
    }
  }

  cluster {
    seed-nodes = [
      "akka.tcp://[email protected]:2551",
      "akka.tcp://[email protected]:2552"]

    # auto downing is NOT safe for production deployments.
    # you may want to use it during development, read more about it in the docs.
    auto-down-unreachable-after = 10s
  }
}

# Enable metrics extension in akka-cluster-metrics.
akka.extensions=["akka.cluster.metrics.ClusterMetricsExtension"]

# Sigar native library extract location during tests.
# Note: use per-jvm-instance folder when running multiple jvm on one host.
akka.cluster.metrics.native-library-extract-folder=${user.dir}/target/native

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