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https://issues.apache.org/jira/browse/MNG-7222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17405122#comment-17405122
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Konrad Windszus commented on MNG-7222:
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Maybe
https://github.com/apache/maven/blob/master/maven-model-builder/src/main/java/org/apache/maven/model/validation/DefaultModelValidator.java
would be a good place for detecting such property name clashes.
> Validate and warn for naming collisions between Maven and System properties
> ---------------------------------------------------------------------------
>
> Key: MNG-7222
> URL: https://issues.apache.org/jira/browse/MNG-7222
> Project: Maven
> Issue Type: Improvement
> Components: Core
> Reporter: Konrad Windszus
> Priority: Major
>
> As properties referenced via {{${x}}} are first being resolved against system
> properties and only afterwards against Maven properties according to
> https://maven.apache.org/pom.html#properties. As this is often not noticed
> such collisions should be detected by Maven and lead to a WARN.
> An example for such a collision can be seen at
> https://github.com/adobe/aem-core-wcm-components/blob/6a294b0483c711a0283474f962a4643234e47c6e/parent/pom.xml#L64
> which is never effective as this is always overridden by
> https://docs.oracle.com/javase/tutorial/essential/environment/sysprop.html
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