Hi XiangWei, I don't think this is a public interface, but Till (in CC) might know better.
Best, Fabian 2017-11-06 3:27 GMT+01:00 XiangWei Huang <xw.huang...@gmail.com>: > Hi Flink users, > Flink Jobmanager throw a NotSerializableException when i used > JobMasterGateway to get ExecutionGraph of a specific job with > message *RequestJob(jobID). *Blow is the detail of Exception: > > > [ERROR] [akka.remote.EndpointWriter] - Transient association error > (association remains live)java.io.NotSerializableException: > org.apache.flink.runtime.executiongraph.ExecutionGraph > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) > at > akka.serialization.JavaSerializer$$anonfun$toBinary$1.apply$mcV$sp(Serializer.scala:129) > at > akka.serialization.JavaSerializer$$anonfun$toBinary$1.apply(Serializer.scala:129) > at > akka.serialization.JavaSerializer$$anonfun$toBinary$1.apply(Serializer.scala:129) > at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58) > at akka.serialization.JavaSerializer.toBinary(Serializer.scala:129) > at akka.remote.MessageSerializer$.serialize(MessageSerializer.scala:36) > at > akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:875) > at > akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:875) > at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58) > at akka.remote.EndpointWriter.serializeMessage(Endpoint.scala:874) > at akka.remote.EndpointWriter.writeSend(Endpoint.scala:769) > at akka.remote.EndpointWriter$$anonfun$4.applyOrElse(Endpoint.scala:744) > at akka.actor.Actor$class.aroundReceive(Actor.scala:467) > at akka.remote.EndpointActor.aroundReceive(Endpoint.scala:437) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) > at akka.actor.ActorCell.invoke(ActorCell.scala:487) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) > at akka.dispatch.Mailbox.run(Mailbox.scala:220) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397) > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > > > So,is it a bug or the way to get job’s executionGraph is invalid. > > > Best,XiangWei > > >
