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https://issues.apache.org/jira/browse/MNG-7556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17625869#comment-17625869
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ASF GitHub Bot commented on MNG-7556:
-------------------------------------
michael-o commented on code in PR #810:
URL: https://github.com/apache/maven/pull/810#discussion_r1008393624
##########
api/maven-api-model/src/main/mdo/maven.mdo:
##########
@@ -2672,7 +2672,7 @@
<field>
<name>property</name>
<version>4.0.0+</version>
- <description>Specifies that this profile will be activated when this
system property is
+ <description>Specifies that this profile will be activated when this
property is
specified.</description>
Review Comment:
I checked `PropertyProfileActivator`. It DOES use user and then system
properties. No project/model properties, *but* the passed
`ProfileActivationContext` contains a `getProjectProperties()` method so we
could make this happen.
> Clean up notion between user properties and system properties
> -------------------------------------------------------------
>
> Key: MNG-7556
> URL: https://issues.apache.org/jira/browse/MNG-7556
> Project: Maven
> Issue Type: Task
> Reporter: Michael Osipov
> Assignee: Michael Osipov
> Priority: Major
> Fix For: 3.9.0-candidate, 4.0.0, 4.0.0-alpha-3
>
>
> For a very long time we have documented that the user can set system
> properties via {{mvn -Dfoo=bar}}, but actually those are user properties
> which are promoted to system properties and it some cases system properties
> cannot be modified *after* the JVM has been started. To properly set system
> properties there are basically two ways:
> * use {{MAVEN_OPTS}} environment variable
> * use {{.mvn/jvm.config}} file
> A third option in the future we could introduce, like other Java tools, a
> {{-J-Dfoo=bar}} option with the restriction of the the paragraph above.
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