Github user mxm commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2917#discussion_r92658254
  
    --- Diff: 
flink-runtime/src/main/scala/org/apache/flink/runtime/akka/AkkaUtils.scala ---
    @@ -102,21 +102,24 @@ object AkkaUtils {
        * specified, then the actor system will listen on the respective 
address.
        *
        * @param configuration instance containing the user provided 
configuration values
    -   * @param listeningAddress optional tuple of hostname and port to listen 
on. If None is given,
    -   *                         then an Akka config for local actor system 
will be returned
    +   * @param externalAddress optional tuple of hostname and port to be 
reachable at.
    +   *                        If None is given, then an Akka config for 
local actor system
    +   *                        will be returned
        * @return Akka config
        */
       @throws(classOf[UnknownHostException])
       def getAkkaConfig(configuration: Configuration,
    -                    listeningAddress: Option[(String, Int)]): Config = {
    +                    externalAddress: Option[(String, Int)]): Config = {
         val defaultConfig = getBasicAkkaConfig(configuration)
     
    -    listeningAddress match {
    +    externalAddress match {
     
           case Some((hostname, port)) =>
    -        val ipAddress = InetAddress.getByName(hostname)
    -        val hostString = "\"" + NetUtils.ipAddressToUrlString(ipAddress) + 
"\""
    -        val remoteConfig = getRemoteAkkaConfig(configuration, hostString, 
port)
    +
    +        val remoteConfig = getRemoteAkkaConfig(configuration,
    +          NetUtils.getWildcardIPAddress, port,
    --- End diff --
    
    +1


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