Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1416#discussion_r47073443
--- Diff:
flink-yarn/src/main/scala/org/apache/flink/yarn/ApplicationMasterBase.scala ---
@@ -120,18 +125,76 @@ abstract class ApplicationMasterBase {
config.setInteger(ConfigConstants.JOB_MANAGER_WEB_PORT_KEY, 0)
}
- val (actorSystem, jmActor, archiveActor, webMonitor) =
+ // we try to start the JobManager actor system using the port
definition
+ // from the config.
+ // first, we check if the port is available by opening a socket
+ // if the actor system fails to start on the port, we try further
+ val amPortRange: String =
config.getString(ConfigConstants.YARN_APPLICATION_MASTER_PORT,
+ ConfigConstants.DEFAULT_YARN_APPLICATION_MASTER_PORT)
+ val portsIterator = NetUtils.getPortRangeFromString(amPortRange)
+
+ // method to start the actor system.
+ def startActorSystem(portsIterator: java.util.Iterator[Integer]): //
return type -> next line
+ (ActorSystem, ActorRef, ActorRef, Option[WebMonitor]) = {
+ val availableSocket = NetUtils.createSocketFromPorts(portsIterator,
--- End diff --
`portsIterator` should be in a separate line.
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