IMHO, this looks like a bug and it makes sense that you only see this with an HA setup:
The JobFound message contains the ExecutionGraph which, however, does not implement the Serializable interface. Without HA, when browsing the web interface, this message is (probably) not serialized since it is only served to you via HTML. For HA, this may come from another JobManager than the Web interface you are browsing. I'm including Till (cc'd) as he might know more. Nico On 16/01/18 09:22, jelmer wrote: > HI, > > We recently upgraded our test environment to from flink 1.3.2 to flink > 1.4.0. > > We are using a high availability setup on the job manager. And now often > when I go to the job details in the web ui the call will timeout and the > following error will pop up in the job manager log > > > akka.remote.MessageSerializer$SerializationException: Failed to > serialize remote message [class > org.apache.flink.runtime.messages.JobManagerMessages$JobFound] using > serializer [class akka.serialization.JavaSerializer]. > at akka.remote.MessageSerializer$.serialize(MessageSerializer.scala:61) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at > akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:889) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at > akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:889) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.remote.EndpointWriter.serializeMessage(Endpoint.scala:888) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.remote.EndpointWriter.writeSend(Endpoint.scala:780) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.remote.EndpointWriter$$anonfun$4.applyOrElse(Endpoint.scala:755) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.actor.Actor$class.aroundReceive(Actor.scala:502) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.remote.EndpointActor.aroundReceive(Endpoint.scala:446) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.actor.ActorCell.invoke(ActorCell.scala:495) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.dispatch.Mailbox.run(Mailbox.scala:224) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.dispatch.Mailbox.exec(Mailbox.scala:234) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > [flink-dist_2.11-1.4.0.jar:1.4.0] > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > [flink-dist_2.11-1.4.0.jar:1.4.0] > Caused by: java.io.NotSerializableException: > org.apache.flink.runtime.executiongraph.ExecutionGraph > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184) > ~[na:1.8.0_131] > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548) > ~[na:1.8.0_131] > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509) > ~[na:1.8.0_131] > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) > ~[na:1.8.0_131] > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) > ~[na:1.8.0_131] > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) > ~[na:1.8.0_131] > at > akka.serialization.JavaSerializer$$anonfun$toBinary$1.apply$mcV$sp(Serializer.scala:321) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at > akka.serialization.JavaSerializer$$anonfun$toBinary$1.apply(Serializer.scala:321) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at > akka.serialization.JavaSerializer$$anonfun$toBinary$1.apply(Serializer.scala:321) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.serialization.JavaSerializer.toBinary(Serializer.scala:321) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > at akka.remote.MessageSerializer$.serialize(MessageSerializer.scala:47) > ~[flink-dist_2.11-1.4.0.jar:1.4.0] > ... 17 common frames omitted > > > > I isolated it further, and it seems to be triggered by this call > > https://hostname/jobs/28076fffbcf7eab3f17900a54cc7c41d > > I cannot reproduce it on my local lapop without HA setup. > Before I dig any deeper, has anyone already come across this ?
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