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Posted to issues@maven.apache.org by "Herv (Jira)" <ji...@apache.org> on 2022/10/13 03:15:00 UTC

[jira] [Created] (MNG-7563) Java system properties now overides user properties in dependencies

Herv created MNG-7563:
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             Summary: Java system properties now overides user properties in dependencies
                 Key: MNG-7563
                 URL: https://issues.apache.org/jira/browse/MNG-7563
             Project: Maven
          Issue Type: Bug
          Components: Dependencies, POM
    Affects Versions: 3.8.6, 3.8.5
            Reporter: Herv
         Attachments: poms.zip

An important change has been introduced in 3.8.5 that breaks some existing builds: Java system properties now take precedence over default values of user properties in dependency POMs. This look like a bug since it's now easy to affect dependency behaviors with system properties, a practice that has been discouraged. But maybe do you consider this as a new feature ?

As an example, 3 poms are attached to this ticket.
After installing project b and c, building project a with:
{{mvn package -Ddep=x}}
used to succeed until 3.8.4 (-D is ignored) but throws error with 3.8.5 and 3.8.6 (-D override the default).




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