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Marc Rufer

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@d-fens GmbH

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HOWTO Maven Release on JetBrains TeamCity

Marc Rufer 19 Jun 2015 CI/CD JetBrains TeamCity Java maven

In this post I’ll show you how to set up a java build job for building and releasing a maven artifact. The activiti wrapper will be used as an example project. It’s a maven project that will be released by using the Maven Release plugin.

Before creating build configuraitons for java projects, the following conditions must be met on the host system:

HINT: The TeamCity instance used here has no external build agents configured and runs under system account.


Go to your TeamCity server and perform the follwing steps

  • Create a new project from URL
    • Enter the repository URL, the username and the password as demanded
  • Navigate to the settings of the newly crated project
  • Under VCS Roots you can edit the existing VCS root to define the branch to check out (in our case this would be the release branch)



  • Upload the maven settings.xml file which should be used for the release to the TeamCity server


  • Go to General Settings, choose the auto detected build configuration and click on edit (NOTE: In this sample there are two configurations because one of them was added manually in advance)


  • Navigate to the Version Control Settings and change the VCS checkout mode to Automatically on Agent


  • Go to the Build Steps menu, delete the existing build step and create two new build steps
    • Build step for release:prepare


    • Build step for release:perform


  • Last but not least the parameters referenced in the build configuration (release:prepare) have to be defined
    • Go to Parameters menu and define the following parameters to be prompted
      • env.development.version
      • env.git.password
      • env.git.username
      • env.release.version


    The parameters were specified as follows



Maven release:prepare hangs

Almost always the release:prepare goal of the maven release plugin hangs, the problem is that the GIT password is not set. In such a case the actual build has to be stopped and the password has to be set (i.e. according the manual above)

JRE instead of JDK

If the error message No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? occurs while the maven release plugin is preparing the release you have to install a java JDK on the build agents host system.

[INFO] -------------------------------------------------------------
[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------

Please tell me who you are

If the error message Please tell me who you are occurs on maven release:prepare the following commands have to be run on the build agents host system:

git config --system "John Doe"

git config --system

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