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via GitHub by ktoso
, 1 year ago
This exception has no message.
java.lang.NullPointerException at akka.cluster.singleton.ClusterSingletonProxy$$anonfun$receive$1.applyOrElse(ClusterSingletonProxy.scala:232) at at$(Actor.scala:484) at akka.cluster.singleton.ClusterSingletonProxy.aroundReceive(ClusterSingletonProxy.scala:132) at at at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)