Currently we prepare the migration to Gradle 9. Our whole Android project build and pipeline is working so far. But we get the following error when running sonar Gradle task: [2025-07-03T14:42:18.387Z] > Task :sonar FAILED [2025-07-03T14:42:18.387Z] [2025-07-03T14:42:18.387Z] FAILURE: Build failed…

Hi @G00fY2 , Thank you for reporting this issue. Could you share how you invoke the :sonar task? On its own? With another task? That would help us narrow down how the issue is triggered? Thanks, Dorian

Hi @Dorian_Burihabwa , thanks for your reply. We have a dedicated step in our pipeline which simply executes: sh “./gradlew sonar” In general we use Sonarqube in an mixed Android and Kotlin-only multimodule project. There is no special configuration or logic involved. The tasks succeeds with la…

Hey @G00fY2 , I can try to provide a reproducable project. We would really appreciate if you could share such a project :folded_hands: . Because a lot of our tests tend to run on code that was frozen a while ago (to detect regressions), we sometimes miss more modern use cases. Cheers, Dorian

Hi @Dorian_Burihabwa , maybe I find time to set up sonar plugin inside an existing open source project like GitHub - android/nowinandroid: A fully functional Android app built entirely with Kotlin and Jetpack Compose . But I also saw that you are already able to reproduce this error in your integrat…

We updated to 9.0.0-rc-3. There were some changes done to support parallel execution: Eclipse's resolution of the configuration was attempted without an exclusive lock · Issue #34064 · gradle/gradle · GitHub GradleProject model is not parallel-safe · Issue #34190 · gradle/gradle · GitHub Still th…

[image] Sonar-scanner-gradle incompatible with gradle 9 SonarQube Server / Community Build Must-share information (formatted with Markdown ): which versions are you using (SonarQube Server / Community Build, Scanner, Plugin, and any relevant extension) Gradle - Plugin: o…

Hey @G00fY2 I am able to move past this issue as long as the following two configurations are set in my gradle.properties while using Gradle 9. org.gradle.parallel=false org.gradle.configuration-cache=false This is equivalent to setting --no-parallel --no-configuration-cache on the command line.

[image] Colin: This is equivalent to setting --no-parallel --no-configuration-cache on the command line. No, adding this config to your gradle.properties will disable configuration cache and parallel execution of Gradle for the whole project. :exploding_head: I would not recommend this, since…

[image] Thomas Wirth: Also we use configuration cache for 2+ years without any issues. Why should you also disable this? I’m just providing details about the steps I took to get it working on my setup. This information might help others keep using the sonar task in the meantime, until we can …

I think there is some confusing and/or misunderstanding. [image] Colin: I’m just providing details about the steps I took to get it working on my setup. This information might help others keep using the sonar task in the meantime, until we can explore solutions for improved compatibility. St…

Error when running sonar task with Gradle 9.0.0-rc-1

SonarQube Server / Community Build

Niels_D (Niels Doucet) August 1, 2025, 10:16am 11

It seems I opened a duplicate for this.
I did some digging in the code of the gradle plugin and I think I found the issue.

Any multi-module gradle project will exhibit this problem, as far as I’m aware.

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Error when running sonar task with Gradle 9.0.0-rc-1

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