Someone please help on what is this issue? The first time trying to run the simdata jar file with the examples given by Splunk to understand how the simdata works. When we run the jar file from the same folder where .JSON and simulator are placed, it ends up with the below errors.
Exception in thread "main" java.lang.IllegalStateException: cannot create children while terminating or terminated
at akka.actor.dungeon.Children$class.makeChild(Children.scala:270)
at akka.actor.dungeon.Children$class.attachChild(Children.scala:48)
at akka.actor.ActorCell.attachChild(ActorCell.scala:370)
at akka.actor.ActorSystemImpl.actorOf(ActorSystem.scala:718)
at akka.stream.ActorMaterializer$.apply(ActorMaterializer.scala:65)
at akka.stream.ActorMaterializer$.apply(ActorMaterializer.scala:43)
at akka.stream.ActorMaterializer$.create(ActorMaterializer.scala:111)
at akka.stream.ActorMaterializer.create(ActorMaterializer.scala)
at com.splunk.simdata.rest.SimServer.start(SimServer.java:64)
at com.splunk.simdata.cli.SimulationCLI.main(SimulationCLI.java:100)
[ERROR] [12/06/2018 11:14:41.336] [SimData-akka.actor.default-dispatcher-8] [akka.actor.LocalActorRefProvider(akka://SimData)] guardian failed, shutting down system
akka.actor.ActorInitializationException: akka://SimData/user/event: exception during creation
at akka.actor.ActorInitializationException$.apply(Actor.scala:193)
at akka.actor.ActorCell.create(ActorCell.scala:608)
at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:462)
at akka.actor.ActorCell.systemInvoke(ActorCell.scala:484)
at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:282)
at akka.dispatch.Mailbox.run(Mailbox.scala:223)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at akka.util.Reflect$.instantiate(Reflect.scala:65)
at akka.actor.ArgsReflectConstructor.produce(IndirectActorProducer.scala:96)
at akka.actor.Props.newActor(Props.scala:213)
at akka.actor.ActorCell.newActor(ActorCell.scala:563)
at akka.actor.ActorCell.create(ActorCell.scala:589)
... 7 more
Caused by: java.lang.NullPointerException
at com.splunk.simdata.execution.EventHandlerActor.lambda$new$1(EventHandlerActor.java:37)
at java.util.HashMap.forEach(HashMap.java:1289)
at com.splunk.simdata.execution.EventHandlerActor.<init>(EventHandlerActor.java:35)
... 16 more
[ERROR] [12/06/2018 11:14:41.339] [SimData-akka.actor.default-dispatcher-8] [akka://SimData/user] null
akka.actor.ActorInitializationException: akka://SimData/user/event: exception during creation
at akka.actor.ActorInitializationException$.apply(Actor.scala:193)
at akka.actor.ActorCell.create(ActorCell.scala:608)
at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:462)
at akka.actor.ActorCell.systemInvoke(ActorCell.scala:484)
at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:282)
at akka.dispatch.Mailbox.run(Mailbox.scala:223)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at akka.util.Reflect$.instantiate(Reflect.scala:65)
at akka.actor.ArgsReflectConstructor.produce(IndirectActorProducer.scala:96)
at akka.actor.Props.newActor(Props.scala:213)
at akka.actor.ActorCell.newActor(ActorCell.scala:563)
at akka.actor.ActorCell.create(ActorCell.scala:589)
... 7 more
Caused by: java.lang.NullPointerException
at com.splunk.simdata.execution.EventHandlerActor.lambda$new$1(EventHandlerActor.java:37)
at java.util.HashMap.forEach(HashMap.java:1289)
at com.splunk.simdata.execution.EventHandlerActor.<init>(EventHandlerActor.java:35)
... 16 more
... View more