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https://issues.apache.org/jira/browse/MNG-6562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136092#comment-17136092
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Robert Scholte commented on MNG-6562:
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I don't want to do it at execution time, that would be too late. My eye is on
the DefaultLifecycleExecutionPlanCalculator.calculateMojoExecutions or its
callers. Here we have the BuildPlan and should be able to build up the list of
plugins that received their version from the default bindings
> WARN if plugins injected by default lifecycle bindings don't have their
> version locked in pom.xml or parent
> -----------------------------------------------------------------------------------------------------------
>
> Key: MNG-6562
> URL: https://issues.apache.org/jira/browse/MNG-6562
> Project: Maven
> Issue Type: Improvement
> Components: Plugins and Lifecycle
> Affects Versions: 3.6.0
> Reporter: Herve Boutemy
> Assignee: Herve Boutemy
> Priority: Major
> Fix For: 3.7.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Currently, when building from a basic pom.xml:
> {code:xml}<project>
> <modelVersion>4.0.0</modelVersion>
> <groupId>com.mycompany.app</groupId>
> <artifactId>my-app</artifactId>
> <version>1.0-SNAPSHOT</version>
> </project>{code}
> many plugins are used, but their version is not locked by the user: the
> default plugins versions depend on Maven version used, which is not stable
> over different Maven versions.
> Adding a warning for this stability issue will help users know that they need
> to lock down plugins versions in their pom (or parent), something like:
> {noformat}[WARNING]
> [WARNING] Some problems were encountered while building the effective model
> for com.mycompany.app:my-app:jar:1.0-SNAPSHOT
> [WARNING] Version not locked for default bindings plugins
> [maven-install-plugin, maven-resources-plugin, maven-surefire-plugin,
> maven-compiler-plugin, maven-jar-plugin, maven-deploy-plugin,
> maven-site-plugin], you should define versions in pluginManagement section of
> your pom.xml or parent
> [WARNING]
> [WARNING] It is highly recommended to fix these problems because they
> threaten the stability of your build.
> [WARNING]
> [WARNING] For this reason, future Maven versions might no longer support
> building such malformed projects.{noformat}
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