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https://issues.apache.org/jira/browse/MPLUGIN-348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16741255#comment-16741255
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Robert Scholte commented on MPLUGIN-348:
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One case I can think of: consider the artifactId is {{foo-maven-plugin}} and
you set the prefix to {{bar}}, then there's absolutely no relationship between
the two. Probably most Maven users think that that if they call {{baz:do}},
that Maven will look for a plugin with the artifactId {{maven-baz-plugin}} or
{{baz-maven-plugin}}. But that's not how it works: when creating the plugin
descriptor the prefix is set as well, either calculated based on the artifactId
of explicit.
I agree that the message is confusing (it should be about the average Maven
User, not Maven itself) and that the equals probably doesn't make sense;
instead the goalPrefix should be a substring from defaultGoalPrefix or vice
versa.
> Why does maven-plugin-plugin always warn if goalPrefix is set?
> --------------------------------------------------------------
>
> Key: MPLUGIN-348
> URL: https://issues.apache.org/jira/browse/MPLUGIN-348
> Project: Maven Plugin Tools
> Issue Type: Bug
> Components: Plugin Plugin
> Affects Versions: 3.6.0
> Reporter: Gili
> Priority: Major
>
> If the {{<goalPrefix> parameter is set, the plugin will always issue a
> warning:
> [https://github.com/apache/maven-plugin-tools/blob/26ba0323bfd66214222b1be4d71402b0948d51bf/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java#L216]}}
> {{Obviously the provided value will differ from the default goal prefix;
> otherwise, why bother using this parameter at all?}}
> Shouldn't issue be logged as {{DEBUG}} instead of {{WARN}}?
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