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java.lang.NullPointerException at co.paralleluniverse.strands.Strand.park(Strand.java:493) at co.paralleluniverse.strands.ConditionSynchronizer.await(ConditionSynchronizer.java:54) at co.paralleluniverse.actors.Mailbox.await(Mailbox.java:90) at co.paralleluniverse.actors.SelectiveReceiveHelper.receive(SelectiveReceiveHelper.java:141) at co.paralleluniverse.actors.behaviors.RequestReplyHelper.call(RequestReplyHelper.java:174) at co.paralleluniverse.actors.behaviors.RequestReplyHelper.call(RequestReplyHelper.java:112) at service.actor.GalaxyTranceiver.writeBuffers(GalaxyTranceiver.java:68) at service.actor.GalaxyTranceiver.transceive(GalaxyTranceiver.java:57) at org.apache.avro.ipc.Transceiver.transceive(Transceiver.java:72) at org.apache.avro.ipc.Requestor.request(Requestor.java:147) at org.apache.avro.ipc.Requestor.request(Requestor.java:101) at org.apache.avro.ipc.specific.SpecificRequestor.invoke(SpecificRequestor.java:88) at com.sun.proxy.$Proxy17.spawnSession(Unknown Source) at lobby.actors.SessionRegistry.start(SessionRegistry.java:137) at tests.LobbyTest$2.apply(LobbyTest.java:125) at tests.LobbyTest$2.apply(LobbyTest.java:1) at lobby.actors.SessionRegistry$Action.process(SessionRegistry.java:125) at lobby.actors.SessionRegistry.doRun(SessionRegistry.java:63) at lobby.actors.SessionRegistry.doRun(SessionRegistry.java:1) at co.paralleluniverse.actors.Actor.run0(Actor.java:692) at co.paralleluniverse.actors.ActorRunner.run(ActorRunner.java:51) at co.paralleluniverse.fibers.Fiber.run(Fiber.java:1019)