# Debugging through Maven (IntelliJ IDEA) does not work

**URL:** <https://community.gatling.io/t/debugging-through-maven-intellij-idea-does-not-work/9754>\
**Category:** Gatling (Open-Source)\
**Created:** [August 26, 2025, 12:32pm UTC](https://community.gatling.io/t/debugging-through-maven-intellij-idea-does-not-work/9754 "2025-08-26T12:32:09Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![slandelle](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/slandelle/32/4_2.png) [@slandelle](https://community.gatling.io/u/slandelle)\
**Post date:** [August 26, 2025, 1:07pm UTC](https://community.gatling.io/t/debugging-through-maven-intellij-idea-does-not-work/9754/2 "2025-08-26T13:07:47Z")

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~~Regarding `Unable to parse command line options: Unrecognized option: --add-opens=java.base/java.lang=ALL-UNNAMED`, I can only think of 2 possible sane explanations:~~

1. ~~your `temurin-21` is actually NOT Java 21 =\> verify the Java installation it points to~~
2. ~~you have some non printable character in your input =\> clean the “Run“ and “VM options“ input fields and fill them again manually, character by character~~

> I can run my Gatling test, but the debugger does not stop at my breakpoints at all

Make sure you use up-to-date Gatling and gatling-maven-plugin versions.

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_[View the full topic](https://community.gatling.io/t/debugging-through-maven-intellij-idea-does-not-work/9754)._