# You must define the following mandatory properties for 'Unknown': sonar.projectKey **URL:** \ **Category:** SonarQube Server / Community Build\ **Tags:** jenkins, github, scanner\ **Created:** [April 16, 2021, 11:44am UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793 "2021-04-16T11:44:43Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![Hanif\_nezhad](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/hanif_nezhad/32/21297_2.png) [@Hanif\_nezhad](https://community.sonarsource.com/u/Hanif_nezhad)\ **Post date:** [April 16, 2021, 11:44am UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/1 "2021-04-16T11:44:43Z")
Hope you are in good health. Must-share information (formatted with [Markdown](https://commonmark.org/help/)): - which versions are you using (SonarQube Scanner 4.0.0.1744) - what are you trying to achieve: trying to run the scanner with Jenkins deployment In most case that I see people have issues with having unknown sonar.project.key i see they have NONE in the project file but mine detects it but still throws the error: > [Pipeline] withSonarQubeEnv > Injecting SonarQube environment variables using the configuration: Jenkins-sonar-server > [Pipeline] { > [Pipeline] sh > + /opt/sonar\_scanner/sonar-scanner-4.0.0.1744-linux/bin/sonar-scanner > INFO: Scanner configuration file: /opt/sonar\_scanner/sonar-scanner-4.0.0.1744-linux/conf/sonar-scanner.properties > INFO: Project root configuration file: /home/bitnami/jenkins/workspace/test-deployment/sonar-project.properties > INFO: SonarQube Scanner 4.0.0.1744 > INFO: Java 11.0.9.1 Debian (64-bit) > INFO: Linux 4.19.0-9-cloud-amd64 amd64 > INFO: User cache: /home/bitnami/.sonar/cache > INFO: SonarQube server 8.3.1 > INFO: Default locale: “en\_US”, source code encoding: “UTF-8” (analysis is platform dependent) > INFO: Load global settings > INFO: Load global settings (done) | time=163ms > INFO: Server id: 86E1FA4D-AXim13wYREtv62J3eWMe > INFO: User cache: /home/bitnami/.sonar/cache > INFO: Load/download plugins > INFO: Load plugins index > INFO: Load plugins index (done) | time=88ms > INFO: Load/download plugins (done) | time=341ms > INFO: Process project properties > INFO: ------------------------------------------------------------------------ > INFO: EXECUTION FAILURE > INFO: ------------------------------------------------------------------------ > INFO: Total time: 3.525s > INFO: Final Memory: 6M/27M > INFO: ------------------------------------------------------------------------ > ERROR: Error during SonarQube Scanner execution > ERROR: You must define the following mandatory properties for ‘Unknown’: sonar.projectKey > ERROR: > ERROR: Re-run SonarQube Scanner using the -X switch to enable full debug logging. > [Pipeline] } > WARN: Unable to locate ‘report-task.txt’ in the workspace. Did the SonarScanner succeed? > [Pipeline] // withSonarQubeEnv > [Pipeline] } > [Pipeline] // withEnv > [Pipeline] } > [Pipeline] // node > [Pipeline] } > [Pipeline] // stage > [Pipeline] End of Pipeline > [Checks API] No suitable checks publisher found. > ERROR: script returned exit code 2 > Finished: FAILURE ---
**Author:** ![Colin](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/colin/32/55255_2.png) [@Colin](https://community.sonarsource.com/u/Colin)\ **Post date:** [April 16, 2021, 12:38pm UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/2 "2021-04-16T12:38:44Z")
Hey there. > [@Hanif\_nezhad](#): > > In most case that I see people have issues with having unknown sonar.project.key i see they have NONE in the project file but mine detects it but still throws the error: It’s not clear to me – where have you defined `sonar.projectKey`? ---
**Author:** ![Hanif\_nezhad](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/hanif_nezhad/32/21297_2.png) [@Hanif\_nezhad](https://community.sonarsource.com/u/Hanif_nezhad)\ **Post date:** [April 16, 2021, 12:41pm UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/3 "2021-04-16T12:41:30Z")
Hi Colin, its defined in the sonar-project.properties file in /home/bitnami/jenkins/workspace/test-deployment/sonar-project.properties sonar-scanner -Dsonar.projectKey=develop -Dsonar.sources=. -Dsonar.host.url=http://53.78.163.22:9000 -Dsonar.login=\ ---
**Author:** ![Colin](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/colin/32/55255_2.png) [@Colin](https://community.sonarsource.com/u/Colin)\ **Post date:** [April 16, 2021, 12:44pm UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/4 "2021-04-16T12:44:52Z")
You’ll want your file to look more like this: ``` sonar.projectKey=develop sonar.sources=. sonar.host.url=http://53.78.163.22:9000 sonar.login= ``` ---
**Author:** ![Hanif\_nezhad](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/hanif_nezhad/32/21297_2.png) [@Hanif\_nezhad](https://community.sonarsource.com/u/Hanif_nezhad)\ **Post date:** [April 16, 2021, 1:38pm UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/5 "2021-04-16T13:38:46Z")
Still the same error. From your experience is there any other issues could be causing this error? ---
**Author:** ![Colin](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/colin/32/55255_2.png) [@Colin](https://community.sonarsource.com/u/Colin)\ **Post date:** [April 19, 2021, 9:03am UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/6 "2021-04-19T09:03:18Z")
You should make sure the `sonar-project.properties` file is in the exact folder you’re executing the `sonar-scanner` from. If you really get stuck, you can just pass parameters direcctly to the `sonar-scanner` command (`sonar-scanner -Dsonar.projectKey=develop`) ---
**Author:** ![Hanif\_nezhad](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/hanif_nezhad/32/21297_2.png) [@Hanif\_nezhad](https://community.sonarsource.com/u/Hanif_nezhad)\ **Post date:** [April 20, 2021, 4:38pm UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/7 "2021-04-20T16:38:33Z")
Thanks Colin, your tip helped me find the solution. For other users, I was running the sonar scanner from a declarative pipeline, I added the projectKey and source directly to the sh agent in the pipeline script and it recognized my key. ``` agent {label 'test_bitnami'} steps { script { withSonarQubeEnv ('Jenkins-sonar-server'){ sh "/opt/sonar_scanner/sonar-scanner-4.0.0.1744-linux/bin/sonar-scanner -Dsonar.projectKey=develop -Dsonar.sources=. " } } } } ``` ---
**Author:** ![system](https://dub1.discourse-cdn.com/sonarsource/user_avatar/community.sonarsource.com/system/32/31083_2.png) [@system](https://community.sonarsource.com/u/system)\ **Post date:** [April 27, 2021, 4:39pm UTC](https://community.sonarsource.com/t/you-must-define-the-following-mandatory-properties-for-unknown-sonar-projectkey/41793/8 "2021-04-27T16:39:17Z")
Closed on April 27, 2021, 4:39pm UTC This topic was automatically closed 7 days after the last reply. New replies are no longer allowed.