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I upgraded gatling version from 3.7.6 to 3.9.0
I updated the version in the build.gradle.kts file
plugins {
id("io.gatling.gradle") version "3.9.0"
gatling {
logHttp = io.gatling.gradle.LogHttp.FAILURES
logLevel = "WARN"
tasks.register("prepareTests") {
from("$buildDir/libs") {
repositories {
maven {
url = uri("Central Repository: 1")
dependencies {

but soon after that when I executed the build I am getting below error
14:23:56 INFO: Downloading:
100% [===========================================================================================================================================================================================] Time: 0:00:18
14:24:14 INFO: Unzipping /tmp/
14:24:15 INFO: Installed Gatling successfully
14:24:19 ERROR: Child Process Error: Can’t modify gatling launcher for jar usage, ability isn’t supported
14:24:19 INFO: Post-processing…
14:24:19 INFO: Artifacts dir: /tmp/artifacts
14:24:19 WARNING: Done performing with code: 1

What I have tried:

Please help me solve this issue

because 3.7.6 is throwing error on logging failures

Cannot access 'io.gatling.gradle.JvmConfigurable.Trait.FieldHelper'
which is a supertype of 'io.gatling.gradle.GatlingPluginExtension'.
Check your module classpath for missing or conflicting dependencies
Updated 1-Feb-23 5:58am

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