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  1. Maven
  2. MNG-7087

Maven 4 can't build itself with Java 11

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 4.0.0-alpha-1
    • Fix Version/s: 4.0.0, 4.0.0-alpha-1
    • Component/s: None
    • Labels:
      None
    • Environment:
      Apache Maven 4.0.0-alpha-1-SNAPSHOT (bb916d0784c7631866167928e4d0615df3317567)
      Java version: 11.0.10, vendor: AdoptOpenJDK, runtime: /Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home

      Description

      It's not possible to build Maven HEAD (I've tested with rev. bb916d0) using a recent Maven 4 snapshot. Even mvn validate doesn't succeed:

      [INFO] Scanning for projects...
      ERROR:  ''
      [ERROR] [ERROR] Some problems were encountered while processing the POMs:
      [WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.junit.jupiter:junit-jupiter-params:jar -> version ${junitVersion} vs 5.7.0 @ line 77, column 17
      [FATAL] input contained no data @ 
       @ 
      [ERROR] The build could not read 1 project -> [Help 1]
      [ERROR]   
      [ERROR]   The project  (/Users/maarten/Code/open-source/maven/maven/maven-model-builder/pom.xml) has 1 error
      [ERROR]     input contained no data
      [ERROR] 
      [ERROR] To see the full stack trace of the errors, re-run Maven with the '-e' switch.
      [ERROR] Re-run Maven using the '-X' switch to enable full debug logging.
      [ERROR] 
      [ERROR] For more information about the errors and possible solutions, please read the following articles:
      [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
      

      I've done `git bisect` (first time, I hope I did it correctly):

      9f88494b6064ad45ea2e2e1e3478afc7af0bc065 is the first bad commit
      Author: rfscholte
      Date:   Mon Dec 21 22:23:43 2020 +0100
      
          [MNG-6957] Versionless reactor dependencies/parent should work even if modules are aggregated in reverse order
          
          This closes #391
      
      

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          177 kB
          Michael Osipov
        2. screenshot-2.png
          15 kB
          Michael Osipov

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              • Assignee:
                rfscholte Robert Scholte
                Reporter:
                mthmulders Maarten Mulders
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                Dates

                • Created:
                  Updated:
                  Resolved: