error attempting to configure javaOptions via gatling sbt plugin.

Gatling (Open-Source)
1

Hello,

I am getting an OOME while Gatling is generating it’s report. I’d like to increase the heap to stop this.

A previous thread suggested

import io.gatling.sbt.utils.PropertyUtils._
javaOptions in Gatling := …

However this gives

error: not found: value Gatling

javaOptions in Gatling := …

Any input would be appreciated.

Thanks

Jono

my configuration is as follows:

sbt.version=0.13.8

~~~ plugin.sbt

addSbtPlugin("io.gatling" % "gatling-sbt" % "2.1.0")

~~~ build.scala

name := "gatling"

version := "0.0.1"

scalaVersion := "2.11.6"

scalacOptions ++= Seq(
"-deprecation",
"-encoding", "UTF-8",
"-unchecked", // Enable additional warnings where generated code depends on assumptions
"-feature",
"-language:implicitConversions",
"-language:postfixOps",
"-Xlint", // Enable recommended additional warnings.
"-Xfatal-warnings",
"-Yno-adapted-args",
"-Ywarn-dead-code",
"-Ywarn-numeric-widen",
"-Ywarn-value-discard",
"-Xfuture"
)

resolvers ++= Seq(
"Java.net Maven2 Repository" at "http://download.java.net/maven/2/",
"Sonatype scala-tools repo" at "https://oss.sonatype.org/content/groups/scala-tools/",
"Sonatype scala-tools releases" at "https://oss.sonatype.org/content/repositories/releases",
"Sonatype scala-tools snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"
)

libraryDependencies ++= Seq(
"org.scalaz" %% "scalaz-core" % "7.1.0",
"io.gatling.highcharts" % "gatling-charts-highcharts" % "2.1.4",
"io.gatling" % "gatling-test-framework" % "2.1.4"
)

parallelExecution in Test := false

// Remove Java directories, otherwise sbteclipse generates them
unmanagedSourceDirectories in Compile <<= (scalaSource in Compile)(Seq(_))

unmanagedSourceDirectories in Test <<= (scalaSource in Test)(Seq(_))

enablePlugins(GatlingPlugin)

import io.gatling.sbt.utils.PropertyUtils._
javaOptions in Gatling := List(
"-server", "-XX:+UseThreadPriorities", "-XX:ThreadPriorityPolicy=42", "-Xms512M",
"-Xmx2512M", "-Xmn100M", "-XX:+HeapDumpOnOutOfMemoryError", "-XX:+AggressiveOpts",
"-XX:+OptimizeStringConcat", "-XX:+UseFastAccessorMethods", "-XX:+UseParNewGC",
"-XX:+UseConcMarkSweepGC", "-XX:+CMSParallelRemarkEnabled") ++ propagatedSystemProperties
2

HI Jonathan,

You’re missing an (unfortunately) necessary import.

Add “import io.gatling.sbt.GatlingPlugin._” and it should be fine :slight_smile:

Please note that with the upcoming Gatling 2.1.5 release, you will not need those imports anymore and you’ll be able to rewrite it as :

javaOptions in Gatling := overrideDefaultJavaOptions("-Xmx2512m")

Cheers,

Pierre

3

Excellent!

Thanks for the quick reply.

Cheers
Jono

4

Hi Pierre,

Many thanks for the work on the sbt plugin. Would it possible to document the changes to the plugin in the upcoming release as I have been watching the commits and noticed quite a few.

Aidy

5

Hi Aidy,

You’re welcome :slight_smile:
This has been done already :wink: : https://github.com/gatling/gatling/commit/8336b8660bb3484943b746ac3e319499e86cd5b5

Cheers,

Pierre