Hi, I upgraded to 2.3.11 and the problem reproduced again.
Thanks. On Tuesday, May 26, 2015 at 3:12:38 PM UTC+3, √ wrote: > > Hi Mozik, > > please upgrade to the latest version and report back if you still have the > same problem. > > On Tue, May 26, 2015 at 2:03 PM, <[email protected] <javascript:>> wrote: > >> Hi Everyone, >> >> I've been trying to set an Akka cluster with one master node and multiple >> workers. The workers are actor systems than run on Android emulators. >> As a start, I work with one worker (emulator). I verify that it >> successfully joins the cluster and start sending it messages, that are >> handled successfully. After some time (from 2-3 to 30-40 minutes), however, >> it disconnects from the cluster. >> Trying to figure out what causes the problem, I noticed that even if the >> worker is idle (no messages are sent), it disconnects from the cluster >> after some time. >> >> In the Android logcat, the following message is displayed: >> >> [ClusterSystem-akka.remote.default-remote-dispatcher-5] [akka.tcp:// >>> [email protected]:2553/system/endpointManager/reliableEndpointWriter-akka.tcp%3A%2F%2FClusterSystem%4010.141.4.104%3A2551-0] >>> >>> Association with remote system [akka.tcp:// >>> [email protected]:2551] has failed, address is now gated for >>> [5000] ms. Reason is: []. >> >> >> and then: >> >> [ClusterSystem-cluster-dispatcher-15] [akka.tcp:// >> [email protected]:2553/system/cluster/core/daemon] Cluster Node >> [akka.tcp://[email protected]:2553] - Marking node(s) as >> UNREACHABLE [Member(address = akka.tcp://[email protected]:2551, >> status = Up)] >> >> and eventually: >> >> [ClusterSystem-cluster-dispatcher-26] [Cluster(akka://ClusterSystem)] >> Cluster Node [akka.tcp://[email protected]:2553] - Leader is >> auto-downing unreachable node [akka.tcp://[email protected]:2551 >> ] >> [ClusterSystem-cluster-dispatcher-26] [Cluster(akka://ClusterSystem)] >> Cluster Node [akka.tcp://[email protected]:2553] - Marking >> unreachable node [akka.tcp://[email protected]:2551] as [Down] >> [ClusterSystem-cluster-dispatcher-27] [Cluster(akka://ClusterSystem)] >> Cluster Node [akka.tcp://[email protected]:2553] - Leader is >> removing unreachable node [akka.tcp://[email protected]:2551] >> >> >> After I subscribed to AssociationErrorEvent, I was able to get more >> details: >> >> AssociationErrorEvent has occurred: AssociationError [akka.tcp:// >>> [email protected]:2553] -> [akka.tcp:// >>> [email protected]:2551]: Error [] [ >>> akka.remote.EndpointException: >>> at >>> com.google.protobuf.AbstractMessage$Builder.newUninitializedMessageException(AbstractMessage.java:770) >>> at >>> akka.remote.ContainerFormats$Selection$Builder.build(ContainerFormats.java:1513) >>> at >>> akka.remote.ContainerFormats$SelectionEnvelope$Builder.addPattern(ContainerFormats.java:931) >>> at >>> akka.remote.serialization.MessageContainerSerializer$$anonfun$serializeSelection$1.apply(MessageContainerSerializer.scala:45) >>> at >>> akka.remote.serialization.MessageContainerSerializer$$anonfun$serializeSelection$1.apply(MessageContainerSerializer.scala:43) >>> at scala.collection.Iterator$class.foreach(Iterator.scala:727) >>> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) >>> at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) >>> at scala.collection.AbstractIterable.foreach(Iterable.scala:54) >>> at >>> akka.remote.serialization.MessageContainerSerializer.serializeSelection(MessageContainerSerializer.scala:43) >>> at >>> akka.remote.serialization.MessageContainerSerializer.toBinary(MessageContainerSerializer.scala:25) >>> at akka.remote.MessageSerializer$.serialize(MessageSerializer.scala:36) >>> at >>> akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:842) >>> at >>> akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:842) >>> at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) >>> at akka.remote.EndpointWriter.serializeMessage(Endpoint.scala:841) >>> at akka.remote.EndpointWriter.writeSend(Endpoint.scala:742) >>> at akka.remote.EndpointWriter$$anonfun$2.applyOrElse(Endpoint.scala:717) >>> at akka.actor.Actor$class.aroundReceive(Actor.scala:465) >>> at akka.remote.EndpointActor.aroundReceive(Endpoint.scala:410) >>> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) >>> at akka.actor.ActorCell.invoke(ActorCell.scala:487) >>> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) >>> at akka.dispatch.Mailbox.run(Mailbox.scala:221) >>> at akka.dispatch.Mailbox.exec(Mailbox.scala:231) >>> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >>> at >>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:1253) >>> at >>> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346) >>> at >>> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >>> at >>> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >>> Caused by: com.google.protobuf.UninitializedMessageException: Message >>> missing required fields: >>> ... 30 more >>> ] >>> akka.remote.EndpointException: >>> at >>> com.google.protobuf.AbstractMessage$Builder.newUninitializedMessageException(AbstractMessage.java:770) >>> at >>> akka.remote.ContainerFormats$Selection$Builder.build(ContainerFormats.java:1513) >>> at >>> akka.remote.ContainerFormats$SelectionEnvelope$Builder.addPattern(ContainerFormats.java:931) >>> at >>> akka.remote.serialization.MessageContainerSerializer$$anonfun$serializeSelection$1.apply(MessageContainerSerializer.scala:45) >>> at >>> akka.remote.serialization.MessageContainerSerializer$$anonfun$serializeSelection$1.apply(MessageContainerSerializer.scala:43) >>> at scala.collection.Iterator$class.foreach(Iterator.scala:727) >>> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) >>> at scala.collection.IterableLike$class.foreach(IterableLike.scala:72) >>> at scala.collection.AbstractIterable.foreach(Iterable.scala:54) >>> at >>> akka.remote.serialization.MessageContainerSerializer.serializeSelection(MessageContainerSerializer.scala:43) >>> at >>> akka.remote.serialization.MessageContainerSerializer.toBinary(MessageContainerSerializer.scala:25) >>> at akka.remote.MessageSerializer$.serialize(MessageSerializer.scala:36) >>> at >>> akka.remote.EndpointWriter$$anonfun$serializeMessage$1.apply(Endpoint.scala:842) >> >> >> >> At first I though that there's a serialization problem with one of the >> messages that are sent to or from the worker. However, the problem repeats >> itself even when there are no messages sent to the worker at all. >> If I restart the worker, it re-joins the cluster and everything is back >> to normal again (until the next disconnection event) - so the problem isn't >> permanent. >> >> I'm using Akka 2.3.9 on both master and worker. >> >> What could be causing the problem? Could it be Android related? >> >> Thanks. >> >> -- >> >>>>>>>>>> Read the docs: http://akka.io/docs/ >> >>>>>>>>>> Check the FAQ: >> http://doc.akka.io/docs/akka/current/additional/faq.html >> >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user >> --- >> You received this message because you are subscribed to the Google Groups >> "Akka User List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at http://groups.google.com/group/akka-user. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Cheers, > √ > -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. 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