Split Brain Resolver throws java.lang.NoSuchMethodError

• Related Articles

• Why should I use Telemetry (Cinnamon) instead of Kamon?

  Telemetry (aka Cinnamon) is the industry’s most capable tool for the monitoring of Akka, Play and Lagom applications. While Cinnamon and Kamon share some common features such as actor mailbox metrics, dead letter message counts and fine-grained ...

• How to safely perform rolling updates on an Akka Cluster

  While trying to upgrade an Akka Cluster you may receive a message akin to: Failed to deserialize message from [akka://SYSTEM_DETAILS] with serializer id [6] and manifest []. java.lang.IllegalArgumentException: Unknown manifest [IJ] This warning in ...

• IllegalArgumentException: requirement failed: Region Actor ... already registered

  If you encounter an error similar to: a.c.s.PersistentShardCoordinator - Exception in receiveRecover when replaying event type [akka.cluster.sharding.ShardCoordinator$Internal$ShardRegionRegistered] with sequence number [39] for persistenceId ...

• Fixing a NullPointerException when upgrading from Lagom while using Cinnamon (Telemetry)

  In case you are upgrading Lagom to 1.6.2 while using Cinnamon 2.14.0 you may come across the following error: Restarting graph due to failure. stack_trace: java.lang.NullPointerException      at ...

• Using StreamRefs when the Source and Sink are not both part of the cluster

  StreamRefs are thought to be used within a cluster. But at least in theory, StreamRefs should work over plain Akka Remoting as well. That stated, we don't recommend using Cluster Client (or any remoting from outside the cluster) any more because it ...