Gatling simulation that hightlights the problem with Gatling when using SSL session tracking.

gatling-ssl-session-tracking.scala

package basic

import com.excilys.ebi.gatling.core.Predef._
import com.excilys.ebi.gatling.http.Predef._
import bootstrap._

class BasicExampleSimulation extends Simulation {
  
  val counterFeeder = new Feeder[Int] {
    private val gen = Stream.from(1).toIterator
    override def hasNext = true
    override def next: Map[String, Int] = Map("counter" -> gen.next)
  }

  val httpConf = httpConfig.baseURL("https://localhost:8443/ssl-session-tracking")

  val scn = scenario("SSL issue scenario")
        .feed(counterFeeder)
        .exec(http("Root1")
            .get("/index.jsp").queryParam("s", "${counter}")
            .check(
              regex("""s in session = ${counter}""").exists
            ))
        .exec(http("Root2")
            .get("/index.jsp")
            .check(
              regex("""s in session = (\d+)""").find.is("${counter}")
            ))
        
  setUp(scn.users(100).ramp(10).protocolConfig(httpConf))
}