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Posted to issues@maven.apache.org by "Hervé Guillemet (Jira)" <ji...@apache.org> on 2022/11/25 16:15:00 UTC
[jira] [Commented] (MNG-7563) Java system properties now override user properties in dependencies
[ https://issues.apache.org/jira/browse/MNG-7563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638691#comment-17638691 ]
Hervé Guillemet commented on MNG-7563:
--------------------------------------
Any news about this bug ? May I help further ?
> Java system properties now override 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: 3.8.5, 3.8.6
> Reporter: Hervé Guillemet
> Priority: Major
> 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 projects 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).
> Note that without the setting of the default value for property {{dep}} in project b, the build fails with any version of Maven.
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