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https://issues.apache.org/jira/browse/MNG-5001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17115041#comment-17115041
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Robert Scholte commented on MNG-5001:
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Assuming this approach, it will require changes to maven-invoker too. Another
option is to provide a {{hidden}} flag to the @Parameter annotation. Maybe
there are more solutions.
> @readonly Mojo parameter annotation doesn't work any more
> ---------------------------------------------------------
>
> Key: MNG-5001
> URL: https://issues.apache.org/jira/browse/MNG-5001
> Project: Maven
> Issue Type: Bug
> Components: Plugin API
> Affects Versions: 3.0-alpha-1, 3.0.2
> Reporter: Jochen Ehret
> Assignee: Sylwester Lachiewicz
> Priority: Major
> Fix For: 3.7.0-candidate
>
> Attachments: log-maven-2.2.1.txt, log-maven-3.0.2.txt, pom.xml,
> readonlytest.zip
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In Maven 2.2.1, the @readonly annotation works as described: You can't
> configure a Mojo parameter in the pom <configuration> section. If you do, the
> build will fail:
> {noformat}[INFO] Error configuring: test:test-plugin. Reason: ERROR: Cannot
> override read-only parameter: testParameter in goal:
> test:dumpParameter{noformat}
> In Maven 3.0.2, the @readonly seems to have no effect:
> {noformat}[INFO] --- test-plugin:0.0.1-SNAPSHOT:dumpParameter (test-exec) @
> test-project ---
> testParameter: readonly parameter configured in pom{noformat}
> You can reproduce the behaviour with the attached example project. Log
> outputs for Maven 2.2.1 and 3.0.2 are also attached.
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