[GatlingSystem-akka.actor.default-dispatcher-4] [akka://GatlingSystem/user/$a] requirement failed: No scenario set up

Gatling (Open-Source)
1

We are performing load testing through gatling tool when we are trying to access our services of liftweb.It is throwing the following exception:

[ERROR] [05/21/2014 11:32:59.570] [GatlingSystem-akka.actor.default-dispatcher-4] [akka://GatlingSystem/user/$a] requirement failed: No scenario set up
java.lang.IllegalArgumentException: requirement failed: No scenario set up
at scala.Predef$.require(Predef.scala:233)
at io.gatling.core.scenario.Simulation.scenarios(Simulation.scala:39)
at io.gatling.core.controller.Controller$$anonfun$1.applyOrElse(Controller.scala:82)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
at akka.actor.ActorCell.invoke(ActorCell.scala:456)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
at akka.dispatch.Mailbox.run(Mailbox.scala:219)
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:385)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

2

The error message is explicit: you didn’t set up any scenario.
You maybe defined some somewhere in your Simulation scope, but you have to passed them to setUp method.