Hello,

I am recently playing around with cluster aware routers and distributed 
data and I have a few questions. I extended the multi jvm test code 
ReplicatedCacheSpec to create a cluster aware router which creates a pool 
of ReplicatedCache worker routees. Here is the 
code: https://gist.github.com/mghosh4/55f96a7402960923c528ea69a103c5af

When I try running this code: I get the following exception:

Failed to serialize remote message [class akka.actor.ActorSelectionMessage] 
using serializer [class 
akka.remote.serialization.MessageContainerSerializer]. Transient 
association error (association remains live)
[JVM-1]         at 
akka.remote.MessageSerializer$.serialize(MessageSerializer.scala:62)
[JVM-1]         at 
akka.remote.EndpointWriter.$anonfun$serializeMessage$1(Endpoint.scala:895)
[JVM-1]         at 
scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)
[JVM-1]         at 
akka.remote.EndpointWriter.serializeMessage(Endpoint.scala:895)
[JVM-1]         at akka.remote.EndpointWriter.writeSend(Endpoint.scala:786)
[JVM-1]         at 
akka.remote.EndpointWriter$$anonfun$4.applyOrElse(Endpoint.scala:761)
[JVM-1]         at akka.actor.Actor.aroundReceive(Actor.scala:513)
[JVM-1]         at akka.actor.Actor.aroundReceive$(Actor.scala:511)
[JVM-1]         at 
akka.remote.EndpointActor.aroundReceive(Endpoint.scala:452)
[JVM-1]         at akka.actor.ActorCell.receiveMessage(ActorCell.scala:519)
[JVM-1]         at akka.actor.ActorCell.invoke(ActorCell.scala:488)
[JVM-1]         at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
[JVM-1]         at akka.dispatch.Mailbox.run(Mailbox.scala:224)
[JVM-1]         at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
[JVM-1]         at 
akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
[JVM-1]         at 
akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
[JVM-1]         at 
akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
[JVM-1]         at 
akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
[JVM-1] Caused by: java.io.NotSerializableException: No configured 
serialization-bindings for class 
[sample.distributeddata.ReplicatedCache$PutInCache]
[JVM-1]         at 
akka.serialization.Serialization.serializerFor(Serialization.scala:235)
[JVM-1]         at 
akka.serialization.Serialization.findSerializerFor(Serialization.scala:211)
[JVM-1]         at 
akka.remote.serialization.MessageContainerSerializer.serializeSelection(MessageContainerSerializer.scala:35)

When I change line 83 in the gist from 

context.actorOf(FromConfig.props(ReplicatedCache.props()), name = "
replicatedCache")

to 

context.actorOf(ReplicatedCache.props), name = "replicatedCache")

this error goes away. Is there something that I do not understand?

Finally, I tried adding a resizer block in the configuration. I saw an 
exception saying something like resizer and cluster block cannot work 
together. Is that a current limitation?

Thanks,
Mainak

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